CBTechEquity Ai - Silicon Valley
Company Brain Hackathon: Build an AI Agent That Knows Your Organization
12 Oct 2026 · San Francisco
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213 upcoming
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Free Hackathons USA
213 free hackathons listed
They run from June 2026 through to December 2027. Listings run in San Francisco, New York, Boston and Austin, and 54 other cities. 8 of the 213 run online. Recurring themes include Buildathon, Game Jam and Agentic AI. Organisers listing here include TechEquity Ai - Silicon Valley, Marty Hendricks and Berkeley Business Society. Dates, prizes and registration links on every listing, plus 208 past events in the archive below.
upcoming hackathons · free hackathons
S1Marty Hendricks
SCDI 1302/1308: AIC x CrowdStrike Hackathon
12 Oct 2026 · United States
BXBerkeley Business Society
BBS x Ramp Hackathon Info Session
12 Oct 2026 · San Francisco
PRIZE$2,500
NXGustavo Garcia
Nebius x NVIDIA Global AI Hackathon
12 Oct 2026 · Miami
PRIZE$50,000+
PHPeachtree Founders
Peachtree Hackathon: Voice AI
12 Oct 2026 · Atlanta
PRIZE$2,000
BGCorgi NYC
Base44 Game Jam @ Corgi Cafe
12 Oct 2026 · New York
PRIZE$0
BCDevpost, Inc.
Black Code Collective Hacktoberfest
12–24 Oct 2026 · Washington DC
HFHack for LA
Hack for LA Civic Tech Volunteer Intro and ONBOARDING (online)
13 Oct 2026 · Online
CCGood Neighbor Realty
Cocktails & Cash Flow - Airbnb Tax Hack Happy Hour
13 Oct 2026 · Denver
AAAWS Community Bay Area
Agentic AI Hackathon: AWS Community Day Bay Area 2026
28 Sep – 13 Oct 2026 · San Francisco
PRIZE$3,200
AAAWS Community Bay Area
Agentic AI Hackathon: AWS Community Day Bay Area 2026
29 Sep – 13 Oct 2026 · San Francisco
PRIZE$3,200
EICity of Light Church
Emerging in Tech Hackathon (at the Emerging in Tech Summit)
13 Oct 2026 · Kenosha
LHMAIC
Lovable: Hackathon x Startup Trek
13 Oct 2026 · Boston
CHCarlsen Center
Capital Hacks: Find A Winning Hackathon Idea
13 Oct 2026 · Sacramento
OCComfyUI
Open Call: ComfyUI Dev Platform Challenge Build Night
13 Oct 2026 · San Francisco
PRIZE$10,000
FAWyatt Borbi
FSB AI Build-a-thon Series (Event 01)
13 Oct 2026 · Oxford
GGTech@NYU
Google Gemini Campus Club x Tech@NYU: Hackday 004
13 Oct 2026 · New York
EHJessica Cerami
Exa Hackathon: Building the future of agentic commerce
14 Oct 2026 · San Francisco
CANewark Tech Week
Code and Coffee Hackathon
14 Oct 2026 · New York
SFObvious Community Events
SF Frontier Hackathon: Build your Autonomous Code Factory
14 Oct 2026 · San Francisco
BHDevnovate
The Build: Hackathon
14 Oct 2026 · San Francisco
HFThe AI Collective
Hack for Humanity: Atlanta
14 Oct 2026 · Atlanta
RBDevpost, Inc.
RenderJuice Blender Animation & Programmatic Rendering Contest
14–31 Oct 2026 · New York
PRIZE$1,500
TOTechnocopia Makerspace
Technocopia Open Hack!
15 Oct 2026 · Worcester
BSThe Union | Boston's Real Estate Coworking Hub
Builder's Hackathon: Automate the Agent
15 Oct 2026 · Boston
CTHack Week Official Events
Creative Tech Buildathon | Hack Week x Mana Tech
15 Oct 2026 · Miami
CSReactVision
Ctrl+Space Hackathon - SF
15 Oct 2026 · San Francisco
QVSeattle Career Development & Experiential Learning Events
Qdrant Vector Quest: AI-Powered Game Development Hackathon
15–16 Oct 2026 · Seattle
PRIZE$2,000
ABBronx Tech Hub
AI Build-a-thon
16 Oct 2026 · New York
WSDevpost, Inc.
WWU Social Justice Hackathon
16–18 Oct 2026 · Bellingham
AEBox Devs
Agentic Enterprise AI Hackathon with Box + AWS
16–17 Oct 2026 · Seattle
SGDevpost, Inc.
Seattle GiveCamp 2026
16–18 Oct 2026 · Seattle
CFObvious Community Events
Chicago Frontier Hackathon — Build your Autonomous Code Factory
16 Oct 2026 · Chicago
DADe Anza Hacks
De Anza Hackathon 5.0
16–17 Oct 2026 · San Francisco
CSDevpost, Inc.
Cornell Six Sigma Hackathon
16–17 Oct 2026 · Ithaca
GHMTC Berkeley
Grammarly Hackathon: Agents in Action
16 Oct 2026 · San Francisco
RHViam
Robot Hackathon: Code That Moves
16–17 Oct 2026 · New York
PRIZE$8,500
GCAgentic Society
Game Celebration After AI Hackathon Day 2 at Electric Shuffle
16 Oct 2026 · Austin
FTFlushing Tech
Flushing Tech Bi-Weekly Hackathon
17 Oct 2026 · New York
DHBhoomi Girish
DubHacks HACKATHON
17–18 Oct 2026 · Seattle
HLDevpost, Inc.
Hack Like W@CC 2026
17–18 Oct 2026 · Atlanta
SRDay of Innovation (10.17.26)
Sphero Robotics Engineering Challenge (6th - 8th grade) @ Day of Innovation (10.17.26)
17 Oct 2026 · Wahiawa
EAMiami AI Hub
eMerge AI Hackathon 2026
17 Oct 2026 · Miami
FTTech Incubator at Queens College Events
Flushing Tech Meetup - Hackathon at TIQC
17 Oct 2026 · New York
EH[SF] HackerSquad
ExecuTorch Hackathon
17–18 Oct 2026 · San Francisco
H2Devpost, Inc.
HuskyHack 2026: Phase 1
17 Oct 2026 · Tacoma
PRIZE$15,000
PHPioneering Minds AI Group
PMAI: Hack For Impact NYC 2026
17 Oct 2026 · New York
BPDevpost, Inc.
Blank Page
17 Oct 2026 · Boston
PRIZE$1,000
GJDEVx
Game Jam! — Weekend Function() { Software Developer Meetup } — 10/17/26
17 Oct 2026 · San Diego
HGHack the Gap
Hack the Gap Demo Day October 2026
17 Oct 2026 · Minneapolis
HGHack the Gap
Hack the Gap October 2026 Hackathon
17 Oct 2026 · Minneapolis
PRIZE$1,500+
KNKOOM Week 2026
KOOM NYC Dream Hackathon
17 Oct 2026 · New York
PCTyler Diaz
Pine Computer Hackathon
17 Oct 2026 · San Francisco
PRIZE$7,500
GHAri
The GSD hackathon (Get s*** done!)
17 Oct 2026 · San Francisco
PRIZE$1,000
SYSilicon Valley Youth Climate Action (SVYCA)
SVYCA Youth for Earth (Y4E) Hackathon
20 Sep – 18 Oct 2026 · San Francisco
DSJerry Pierre
Devin's Inferno - Hardware Hackathon
18 Oct 2026 · Miami
MCMoCo Code and Coffee
MoCo Code & Coffee x MLH Hacktoberfest Hack Day (@ Bethesda Green)
18 Oct 2026 · Washington DC
UCBondHaus
Universal Celebration Hackathon
19 Oct 2026 · San Francisco
CSAmogh Gotaparthy
Capture Success Pitch Competition and Demo Day
19 Oct 2026 · Durham
PRIZE$2,000
CCComposio Meetups
Cline & Composio Hackathon
19 Oct 2026 · San Francisco
UHMedallion XLN Events
Universal Hackathon - Create Your Own AI Workforce | AWS Builder Loft
19 Oct 2026 · San Francisco
AFPursuit
AI For NYC Hackathon
19 Oct 2026 · New York
HFThe AI Collective
Hack for Humanity: Sacramento
19 Oct 2026 · Sacramento
GBGalatiq
Grok Bot Hackathon in Austin, TX
19 Oct 2026 · Austin
PRIZE$1,000
FDFaithTech
FaithTech Dallas – AI Hack Night
20 Oct 2026 · Dallas
HFThe AI Collective
Hack for Humanity PHL @ Founders Alley (w/ The AI Collective)
20 Oct 2026 · Philadelphia
GHGranola
GTM Hackathon by Granola x Anthropic
20 Oct 2026 · San Francisco
MHParty
Multiplayer Hackathon by Party (Peninsula)
20 Oct 2026 · San Francisco
HFEdenas Children
Hackathon for Make-With-Data: Mapping Mental Health
21 Oct 2026 · New York
RCRecOps Con
RecOps Con Hackathon
21 Oct 2026 · Chicago
OSFulcrum Science
Open Scientific Intelligence Hackathon (NYC Hub)
21–22 Oct 2026 · New York
AHThe Bean Path
AI Hackathon
21 Oct 2026 · Jackson
ZTThe Swedish-American Chamber of Commerce SF & Silicon Valley
Zero to Hundred: GTM Vibe Coding Buildathon
21 Oct 2026 · San Francisco
AFObvious Community Events — Atlanta
ATL Frontier Hackathon: Build your Autonomous Code Factory
22 Oct 2026 · Atlanta
PRIZE$35,000
ANThe Players Fund
APPLY NOW: Spurs2 Hackathon @ UT Austin (Oct 22-23rd)
22–23 Oct 2026 · Austin
ZHJeff Wraley
zWORKS Hackathon
22–23 Oct 2026 · Zionsville
GBBase44
GTM Build Night: Base44 Hackathon NY
22 Oct 2026 · New York
G2Devpost, Inc.
GeauxHack 2026
23–25 Oct 2026 · Baton Rouge
MMBeta University Events
Multi-Model Hackathon @AWS Builders Loft
23 Oct 2026 · San Francisco
GHDevpost, Inc.
Gator Hack V - AI Days 2026
23–25 Oct 2026 · Gainesville
PRIZEThousands of dollars
ASJaime Romero
Action Space Hackathon 2026
23–24 Oct 2026 · Boston
PRIZE$1,000
SCSacha Ledan
Stanford Cleantech Hackathon
23–24 Oct 2026 · San Francisco
NHNucleate Texas
Nucleate Houston BioChallenge - Showcase & Pitch Competition
23 Oct 2026 · Houston
PRIZE$2,500
1I1881 Ventures
1881 International Hackathon
23–25 Oct 2026 · El Paso
DECodex Community Events
DevDay Exchange Community Hackathon: Utah
23–24 Oct 2026 · Salt Lake City
PRIZE$100
YFPopPopTech Events
Yummy Future Hackathon Festival
23–25 Oct 2026 · San Francisco
BBMarfa 2026
Builder Bots AI Buildathon Marfa Edition
23 Oct 2026 · Marfa
NCOas Rajvanshi
NYC Cross-Campus Hackathon
23 Oct 2026 · New York
SC3percentclub
Spooky Civic AI Hackathon: Build Weekend
23–24 Oct 2026 · New York
WMManisha Priyadarshini
Waterlines: Mapping Land & Water Advocacy Along the Duwamish | Community Mapping + Environmental Storytelling Hackathon | PNW Climate Week
24 Oct 2026 · Seattle
XLXRPL Commons
XRP LEDGER HACKATHON
24–25 Oct 2026 · New York
DXBU Spark!
DS+X Hackathon 2026
24–25 Oct 2026 · Boston
KCTestMu AI
Kane CLI Hack Day
24 Oct 2026 · San Francisco
PRIZE$5,000
SHSierra Hacks
Sierra Hacks 2026
24 Oct 2026 · Manteca
ZHTerac
Zero-Human Company Hackathon by Terac
24 Oct 2026 · New York
CSBellingham Makerspace
Cascade STEAM Hack Night
24 Oct 2026 · Bellingham
HCRice Center for STEM Engagement
Houston Code Jam
24 Oct 2026 · Houston
WDWhackdonuts
Whack Donuts 2yr Anniversary Jam
24 Oct 2026 · San Francisco
BIHuman Bloom Collective
BRING IT TO LIFE: A HALLOWEEN BUILDATHON & GAME LAB 🎃
24 Oct 2026 · Chicago
DHPeter Bullock
Dad Hack Happy Hour
24 Oct 2026 · Camden
ABIshaan Sehgal
Agent Builders Hackathon
24 Oct 2026 · San Francisco
BCBlack Code Collective
Black Code Collective Hack-A-Thon
24 Oct 2026 · Washington DC
PRIZE$500
DFlocalhost:nyc
Deal Flow: NYC's First VC Hackathon
24 Oct 2026 · New York
FSFaithTech
FaithTech SoCal x Baptize The World - Hackathon
24 Oct 2026 · Los Angeles
HODevpost, Inc.
HackOHI/O 2026
24–25 Oct 2026 · Columbus
HBReplit Hackathon
Harvard Business School + MIT Sloan x Replit Hackathon
24 Oct 2026 · Boston
PRIZE$10,000
HFThe AI Collective
Hack for Humanity: Detroit
24 Oct 2026 · Detroit
HFThe AI Collective
Hack for Humanity: Portland, Oregon
24 Oct 2026 · Portland
HFHack for Social Impact
Hack for Social Impact 2026
24–25 Oct 2026 · San Francisco
PRIZE$5,000
TNTech@NYU
Tech@NYU Buildathon: Shipyard
24 Oct 2026 · New York
WIBright Data
Win iPhone Duos at Patch the Conference Hackathon
24 Oct 2026 · San Francisco
ZHTerac
Zero Human Company Hackathon by Terac & Whop - NYC
24 Oct 2026 · New York
SAClaude Community Events
Seattle | AI Week Claude Impact Lab Hackathon
25 Oct 2026 · Seattle
SASkillsheet events
[SEA AI WEEK] Anthropic Hackathon
25 Oct 2026 · Seattle
BADIY Robocars
Bay Area AI+car hackathon
25 Oct 2026 · San Francisco
DXFrontier Tower SF
Dell x NVIDIA Hackathon
25 Oct 2026 · San Francisco
KCTestMu AI
Kane CLI Online Hackathon
25 Oct – 2 Nov 2026 · Online
PRIZE$3,000
SC3percentclub
Spooky Civic AI Hackathon: Demo Day
25 Oct 2026 · New York
MWToronto Machine Learning Society (TMLS)
MLOps World | GenAI Agentic Hackathon
26–30 Oct 2026 · Austin
BWDevpost, Inc.
Build With AI: Basics
22 Sep – 26 Oct 2026 · Online
PRIZE$2,500
AMAITX
AITX & MLOps World Community Hackathon @ Austin Tech Week
26–30 Oct 2026 · Austin
HTHard Tech Week
Hard Tech Hackathon Kickoff
26 Oct 2026 · Salt Lake City
HPHack the Concrete Jungle (HTCJ) & PROOF Aviation Futures
HTCJ × PROOF Aviation Futures Challenge
25 Jun – 27 Oct 2026 · Boston
LADevpost, Inc.
Life After Code
5–27 Oct 2026 · Online
PB2026 Principled Business Summit - Austin
Principled Business Hackathon: Capitalism - Here to Stay
27 Oct 2026 · Austin
TODeLon Dixon
Think On the Spot Hackathon | Halloween Edition
27 Oct 2026 · Detroit
PRIZE$2,000
HAFounders Bay
Hackathon @ AWS Loft
28 Oct 2026 · San Francisco
IHJerry Pierre
Inspire Hackathon
28 Oct 2026 · Miami Shores
OAODSC AI San Francisco
ODSC AI x NEBIUS | Hackathon
28 Oct 2026 · San Francisco
HTHard Tech Week
Hard Tech Hackathon Judging
28 Oct 2026 · Salt Lake City
YMThe Church of Jesus Christ of Latter-day Saints
Young Men Activity - Game Jam
28 Oct 2026 · Brentwood
PAcognee NYC
Personal Agent Hackathon
29–30 Oct 2026 · New York
VCNortheast Indiana Innovation Community
Vibe Code Hack Night
29 Oct 2026 · Fort Wayne
AHIzanna Levintova
AI Hackathon: Build a Production-Ready Workflow in 4 Hours
29 Oct 2026 · Austin
PRIZE$8,000
AFObvious Community Events
ATL Frontier Hackathon: Build your Autonomous Code Factory
29 Oct 2026 · Atlanta
RHViam
Robot Hackathon: Harnessing Physical AI & Data
29–30 Oct 2026 · San Francisco
PRIZE$5,000
HMDevpost, Inc.
HackFW: MADE Challenge
1–30 Oct 2026 · Dallas
BBDevnovate
The Builder Base: Buildathon
30 Oct 2026 · San Francisco
NFObvious Community Events
NYC Frontier Hackathon: Build your Autonomous Code Factory
30 Oct 2026 · New York
PRIZE$30,000
HFAITX
Hack Fair @ Austin Tech Week - AITX & MLOps World Hackathon Showcase
30 Oct 2026 · Austin
SHE14 Fund
ScienceClaw Hackathon
30 Oct – 1 Nov 2026 · Boston
FTTech Incubator at Queens College Events
Flushing Tech Meetup - Hackathon at TIQC
31 Oct 2026 · New York
IHDevpost, Inc.
InternWell Hack2.0
3–31 Oct 2026 · Online
CHCarlsen Center
Capital Hacks: How To Win A Hackathon
4 Nov 2026 · Sacramento
CBTechEquity Ai - Silicon Valley
Company Brain Hackathon: Build an AI Agent That Knows Your Organization
4 Nov 2026 · San Francisco
TASacramento Developer Collective
Tabletop and Board Game Jam
5–9 Nov 2026 · Citrus Heights
PODevpost, Inc.
PowerHack
6 Nov 2026 · New York
TSLaunch Dayton
TechStars Startup Weekend - Dayton Rescheduled 2026
6–8 Nov 2026 · Dayton
NVReach Capital
NYC Voice Agent Hackathon with Take2AI & Reach Capital
6 Nov 2026 · New York
IIIndy Hackers
Indy Init 2026 — AI Builders Hackathon & Conference
7 Nov 2026 · Fishers
AHHouston AI Institute
AI HACKATHON TEAM SIGN UP
7 Nov 2026 · Manvel
AAEast Coast Futurist Society
ATL AI Hackathon
7 Nov 2026 · Atlanta
RBDevpost, Inc.
Redhawk Builds 2026
7–8 Nov 2026 · Oxford
ARIterate
AI Research Hackathon
7–8 Nov 2026 · San Francisco
SHSeldon Community
Ship Happens: A Seldon Hackathon
7 Nov 2026 · San Francisco
PRIZE$5,000
REDevpost, Inc.
REMOVE
8 Nov 2026 · Chicago
ICDevpost, Inc.
IceHacks
8–15 Nov 2026 · Online
MFHDAA DFW Chapter
Microsoft Fabric Hackathon
9 Nov 2026 · Dallas
PADevpost, Inc.
PayPal AI Hackathon
1 Oct – 12 Nov 2026 · Online
PRIZE$69,750
EOEO Baltimore
Entrepreneurs' Organization Day Pass-AI Buildathon/Hackathon
12 Nov 2026 · Pikesville
USUC San Diego Horizon
UC San Diego Horizon x Techstars Startup Weekend: Justice + AI
13–15 Nov 2026 · San Diego
TSTechstars SCC (Startup Community Catalyst)
Techstars Startup Weekend University of Kansas
13–15 Nov 2026 · Lawrence
FCFaithTech
FaithTech Charlotte Hackathon
13–15 Nov 2026 · Monroe
GAErich Kottke
Georgetown AI Buildathon
13 Nov 2026 · Washington DC
CSNVIDIA
CIQ Supercomputing Local AI Hackathon
13–15 Nov 2026 · Chicago
PRIZE$6,000
HADevpost, Inc.
Hackperimeter
13 Nov 2026 · Atlanta
PRIZE$1,000
ODLiquid AI
On-Device AI Hackathon: Cleared for Takeoff ✈️
13 Nov 2026 · San Francisco
CHWomen in Technology (WiT)
Central Hacks
14–15 Nov 2026 · Mount Pleasant
RNStefano Casafranca Laos
RiverHacks <> NASA Space Apps Challenge 2026
14–15 Nov 2026 · Austin
PRIZE$10,000
JMOpenMiami - Climate Community Calendar to #SaveMiami
🚀 Join the MiamiVerse Digital Twin Challenge @ OpenMiami Collabothon! 🌎🏛️
14–15 Nov 2026 · Miami
SSWomen in AI
She Ships: A Women in AI × Lovable Buildathon
14 Nov 2026 · San Francisco
FTTech Incubator at Queens College Events
Flushing Tech Meetup - Hackathon at TIQC
14 Nov 2026 · New York
HHDevpost, Inc.
Hack the Harvest
14–15 Nov 2026 · Sacramento
THDevpost, Inc.
Teens Hack Houston Hackathon
14–21 Nov 2026 · Houston
HADevpost, Inc.
Haven Asbury Park Game Jam - High School
14–15 Nov 2026 · Asbury Park
MOClaude Community Events
Miami | Opus 5.5 Build Day - Marketing Sprint
14 Nov 2026 · Miami
HPDevpost, Inc.
Haven Princeton Game Jam - High School
14 Nov 2026 · Montgomery
DPCCA DMBA
The Design Project Hackathon
14 Nov 2026 · San Francisco
TSTechstars SCC (Startup Community Catalyst)
Techstars Startup Weekend University of Kansas - Pitch Presentations
15 Nov 2026 · Lawrence
DECodex Community Events
DevDay Exchange Community Hackathon: Miami
15 Nov 2026 · Miami
LHMAIC
Lovable: Hackathon x Startup Trek
17 Nov 2026 · Boston
VYVibe Your SaaS // IRL
Vibe Your SaaS: Startup Pitch Competition + VC/Founder Mixer @ Atlassian HQ
17 Nov 2026 · San Francisco
KMUW Buerk Center for Entrepreneurship
Kellogg-Morgan Stanley Sustainable Investing Challenge Ideation Workshop
19 Nov 2026 · Seattle
BOBuilder Pub
Build a One-Person Company in One Day Hackathon: Non-Tech Welcome
20 Nov 2026 · San Francisco
TAInnovatED
Teachers AI Hackathon
20 Nov 2026 · Boston
WSlocalhost:nyc
Worn: Smart Glasses Hackathon
20–21 Nov 2026 · New York
PRIZETBD
FHDevpost, Inc.
FutureForge Hacks
21 Nov 2026 · San Francisco
BTHuman Bloom Collective
BUILD THE TABLE: FRIENDSGIVING 2026 A Hospitality Buildathon + Friendsgiving Social
21 Nov 2026 · Chicago
DHPeter Bullock
Dad Hack Happy Hour 11/21
21 Nov 2026 · Camden
RH301 AD
RenAIssance Hackathon: Builder Pass
21–22 Nov 2026 · Los Angeles
PRIZE$100
F2Events
Festiverse 2026: Diwali Hackathon
23 Nov 2026 · San Francisco
HADevpost, Inc.
Hackathon Agéntico SoftwareChido 2026B
5 Oct – 25 Nov 2026 · Online
FTTech Incubator at Queens College Events
Flushing Tech Meetup - Hackathon at TIQC
28 Nov 2026 · New York
BCMission Launch Inc
Bo100M Charlotte Hackathon
2–3 Dec 2026 · Charlotte
AHTatianaSF
AI Hackathon: Sales Copilot AI
12 Dec 2026 · San Francisco
PRIZE$30,000
FTTech Incubator at Queens College Events
Flushing Tech Meetup - Hackathon at TIQC
12 Dec 2026 · New York
CGJulius Olsson
🎄 Christmas Game Hackathon SF - By Hackathons.team
12–13 Dec 2026 · San Francisco
AADevnovate
Agentic AI Hackathon 2.0 - SF
15 Dec 2026 · San Francisco
VCDevpost, Inc.
Vibe Code Animated Maps
20 Dec 2026 · South Plainfield
UVUVU Cybersecurity Club
Utah Valley University HackTheBox CTF Event
24 Dec 2026 · Salt Lake City
OAODSC Team
ODSC AI x NEBIUS | Hackathon
29 Dec 2026 · San Francisco
FTTech Incubator at Queens College Events
Flushing Tech Meetup - Hackathon at TIQC
9 Jan 2027 · New York
HHDevpost, Inc.
Hoya Hacks 2027
22–24 Jan 2027 · Washington DC
D2DevNetwork
DeveloperWeek 2027 Hackathon
25 Jan – 11 Feb 2027 · San Francisco
H2Dr. Joshua L. Phillips
HackMT 2027
29–31 Jan 2027 · Murfreesboro
1LOnGov
1776 Labs Pittsburgh Regional Hackathon
29–31 Jan 2027 · Pittsburgh
OHoffscript
OffScript — High School Hackathon
30 Jan 2027 · San Francisco
S1Devpost, Inc.
SpartaHack 12
6–7 Feb 2027 · East Lansing
TTDevpost, Inc.
Ticket to Hack
27–28 Feb 2027 · University of Virginia
KHDevpost, Inc.
Kent Hack Enough 2027
6–7 Mar 2027 · Kent
PAMichael
Physical AI Hackathon 2027
7–9 May 2027 · New York
SHDevpost, Inc.
SVC Hackathon 2027
8 May 2027 · New York
PHHung Tang
psh hackathon
1 Dec 2027 · New York
what counts here
A listing appears here when the organiser publishes a price of zero — the ticket price on the listing reads Free, or every ticket it sells is $0. An event whose price is still TBA is not counted as free, and neither is one that publishes no price at all.
New to hackathons? what is a hackathon →
archive · free hackathons
// 208 · ended
Seattle JS
1 Hour Hackathon + Presentations!
11 Oct 2026 · Seattle
Builderbase Hackathons
Multi Model Hackathon - #SFTechWeek
11 Oct 2026 · San Francisco
Tech Events SF | BridgeUs
AI-Native Startup Hackathon | #SFTechWeek
11 Oct 2026 · San Francisco
Frontier Tower SF
Tech Week Hackathon
11 Oct 2026 · San Francisco
Major League Hacking
AI Engineer New York Hackathon
11 Oct 2026 · New York
BondHaus
AI-Native Startup Hackathon
10 Oct 2026 · San Francisco
Project Humanities at Arizona State University
Hacks for Humanity
10–11 Oct 2026 · Phoenix
Colorado Education Initiative
Colorado AI Summit: Student Build-A-Thon
10 Oct 2026 · Denver
ITRADE Events
Cybersecurity AI Hackathon
10 Oct 2026 · Miami
Kaya Jones
Forever 22 x Google DeepMind Hackathon
10 Oct 2026 · New York
The AI Collective
Hack for Humanity: Miami
10 Oct 2026 · Miami
Christopher Martinez
Latinos x AI Hackathon - NYC
10 Oct 2026 · New York
Forever 22
Agents on Wall Street Hackathon
10 Oct 2026 · New York
Kaushik Immadisetty
AI Agents Hackathon (Consumer) by Eka & Kafka Labs
10 Oct 2026 · San Francisco
PyMC Labs Online Meetup
Hackathon: Build Multiplayer Data Science Agents
10 Oct 2026 · New York
Glow Girl Social Club
BUILD FOR HER 💕💻A WOMEN’S SOCIAL IMPACT HACKATHON #SFTechWeek
10 Oct 2026 · San Francisco
Devpost, Inc.
Build Multiplayer Data Science Agents · PyMC Labs
10 Oct 2026 · New York
Blueprints AI
AI x Pre-Construction Hackathon - #SFTechWeek
10 Oct 2026 · San Francisco
Peter Bullock
Dad Hack Happy Hour 10/10
10 Oct 2026 · Camden
GLO
Multiplayer Hackathon by Party (Peninsula)
10 Oct 2026 · San Francisco
Devpost, Inc.
HackNC 2026
10–11 Oct 2026 · Chapel Hill
Devpost, Inc.
Hacklanta
9–11 Oct 2026 · Atlanta
tokens&
Cyberdefense Hackathon
9 Oct 2026 · San Francisco
Devpost, Inc.
Ensign Build
9–10 Oct 2026 · Salt Lake City
SpaceXAI for Boston, US
Grok Bot Boston Hackathon
9 Oct 2026 · Boston
Obvious Community Events
ATX Frontier Hackathon: Build your Autonomous Code Factory
9 Oct 2026 · Austin
Stanford Big Earth Hackathon
Big Earth Hackathon Workshop: Planet 101
9 Oct 2026 · San Francisco
Build It Anyway
Build It Anyway: Signal Hunt with Apify | SF Tech Week Hackathon for Non-Technical Builders
9 Oct 2026 · San Francisco
Devpost, Inc.
Hacklanta '26
9–11 Oct 2026 · Atlanta
Ahmed Ahres
Reactor x Google: World Models Hackathon
8 Oct 2026 · New York
Kevin Mello
The AI Said It Was Done -AI Agent Divergence Hackathon -SF Tech Week
8 Oct 2026 · San Francisco
Everesteer
Everesteer Hedge Fund Hackathon: San Francisco #SFTechWeek
8 Oct 2026 · San Francisco
Builderbase Hackathons
Pax Silica Hackathon: SF Tech Week
7 Oct 2026 · San Francisco
Agent Builders Club
Agent Builders Club Build-a-thon 2
7 Oct 2026 · Dallas
Pioneering Minds AI Group
Plug and Play x PMAI Hackathon: Rapid Response #AIWeekNY
7 Oct 2026 · New York
AssemblyAI
Hardware hackathon: turn a vintage toy into a voice agent
7 Oct 2026 · San Francisco
Party
Multiplayer Hackathon by Party (SoMa)
7 Oct 2026 · San Francisco
[SF] HackerSquad
AI Agents That Own Their Inference - Hackathon
6 Oct 2026 · San Francisco
Brderless
Brderless Buildathon: AI Agents
4 Oct 2026 · New York
Devpost, Inc.
Dublin Hacx
3–4 Oct 2026 · San Francisco
Devpost, Inc.
codeLinc 11 with Lincoln Financial & AWS
3–4 Oct 2026 · Greensboro
Tech Incubator at Queens College Events
Flushing Tech Meetup - Hackathon at TIQC
3 Oct 2026 · New York
Vivian Cai
Agent37 Hackathon
3 Oct 2026 · the United States
Hack-Nation's Global AI Hackathons
MIT Hub - Hack Nation Global AI Hackathon
3–4 Oct 2026 · Boston
AI Valley
The AI Commerce Gallery - Hackathon
3 Oct 2026 · San Francisco
Hack-Nation's Global AI Hackathons
Zurich Hub - Hack Nation Global AI Hackathon
3–4 Oct 2026 · the United States
Hack-Nation's Global AI Hackathons
Hack Nation 7th Global AI Hackathon
3–4 Oct 2026 · the United States
Civic Tech DC
Civic Tech DC x GW OSPO Hackathon: RideScore DC + FEC Data
3 Oct 2026 · Washington DC
Frontier Tower SF
October 3 Hackathon
3 Oct 2026 · San Francisco
Jalphy Laurent
Brand Wave: Innovation Lab Official AWNY26 Hackathon
3–4 Oct 2026 · New York
Bellingham Makerspace
Cascade STEAM Hack Night
3 Oct 2026 · Bellingham
Code Your Dreams
Hack for Accessibility 2026 at McDonald’s Global HQ
3 Oct 2026 · Chicago
Hack-Nation's Global AI Hackathons
New York Hub (Columbia) - 7th Hack-Nation Global AI Hackathon
3–4 Oct 2026 · New York
Supabase Community Events
Supabase Select 2026 Hackathon
3 Oct 2026 · San Francisco
Hack-Nation's Global AI Hackathons
Berkeley Hub - 7th Hack-Nation Global AI Hackathon
3–4 Oct 2026 · San Francisco
IGDA San Francisco
California Clash Game Jam Kickoff
3 Oct 2026 · San Francisco
Codex Community Events
DevDay Exchange Community Hackathon: Charlotte
3 Oct 2026 · Charlotte
Hack-Nation's Global AI Hackathons
Los Angeles Hub (UCLA) - 7th Hack-Nation Global AI Hackathon
3–4 Oct 2026 · Los Angeles
Hack-Nation's Global AI Hackathons
Pittsburgh Hub (Carnegie Mellon) - 7th Hack-Nation Global AI Hackathon
3–4 Oct 2026 · Pittsburgh
Hack-Nation's Global AI Hackathons
Stanford Hub - 7th Hack-Nation Global AI Hackathon
3–4 Oct 2026 · San Francisco
The Hidden Genius Project
The Hidden Genius Project | Oakland Tech Week Youth Hackathon 2026
3 Oct 2026 · San Francisco
Coshell
The Multiplayer Coding Hackathon
3 Oct 2026 · San Francisco
Devpost, Inc.
Hack Dearborn: Conjure Reality
3–4 Oct 2026 · Detroit
Hack-Nation's Global AI Hackathons
Harvard Hub - 7th Hack-Nation Global AI Hackathon
3–4 Oct 2026 · Boston
Devpost, Inc.
WolfHacks 2026 by ACM NCSU
3–4 Oct 2026 · Raleigh
QuantED
Gator Quant Hacks
2–4 Oct 2026 · Gainesville
Oriane.xyz Video Intelligence
Hack the Feed: Creator Tools Hackathon with Oriane, GMI Cloud & Lovable
2 Oct 2026 · San Francisco
We Are For Good
The Spread Hackathon x Denver
2 Oct 2026 · Denver
We Are For Good
The Spread Hackathon x Indianapolis
2 Oct 2026 · Indianapolis
We Are For Good
The Spread Hackathon x Los Angeles
2 Oct 2026 · Los Angeles
We Are For Good
The Spread Hackathon x NYC
2 Oct 2026 · New York
We Are For Good
The Spread Hackathon x Seattle
2 Oct 2026 · Seattle
Alaska Version 3
Techstars Startup Weekend - Seward September 2026
2–4 Oct 2026 · Seward
DxAngels
Hackers and Healers Hackathon | NYC 🗽
2–3 Oct 2026 · New York
Daksh Kumar
SF Hacks × GDG AI Hackathon 2026
2 Oct 2026 · San Francisco
Media Meetups (powered by Cloudinary)
Hacktoberfest with Cloudinary: A Media Meetup and Mini-Hackathon
1 Oct 2026 · Boston
allGood Events
AI in Marketing: Boston Hackathon
1 Oct 2026 · Boston
Fort Worth DAO
HackFW: MADE Challenge - Kickoff
1 Oct 2026 · Dallas
Henry Grunzweig
State Capacity AI Hackathon: Public Engagement
30 Sep 2026 · New York
Niobium
Encrypted Build Night: a 4-Hour Mini Hackathon
30 Sep 2026 · Austin
Solana San Francisco
Agent Hackathon
30 Sep 2026 · San Francisco
Devnovate
Physical AI Hackathon
30 Sep 2026 · San Francisco
AITX
Houston AITX Community Monthly Meetup: Houston Hackathon Winner Showcase
30 Sep 2026 · Houston
The AI Collective
Hack for Humanity: Hartford-Micro Hackathon (w/ The AI Collective)
30 Sep 2026 · Hartford
[SF] HackerSquad
The AI Conference Hack Day 2026
29 Sep 2026 · San Francisco
Flower Labs
Collaborative Agent Hackathon @ Stanford
29 Sep 2026 · San Francisco
Julius Olsson
Anything Applied Agentic Hackathon - hackathons.team
29 Sep 2026 · San Francisco
Crewbase Collective Hackathons
Build Your AI Co-Founder Hackathon
28 Sep 2026 · San Francisco
n8n Community Events
Miro × n8n hackathon: From diagram to automation
28 Sep 2026 · New York
Brainbase Labs
Startup Speedrun Hackathon
28 Sep 2026 · San Francisco
Meagan Brown
Code + Counsel Legal AI Community Hackathon: Building Common Ground
27 Sep 2026 · Boston
Cleveland Tech Week 2026
Official #CLETechWeek26 Buildathon
27 Sep 2026 · Cleveland
GDG Stanford
Berkeley x DeepMind Hackathon: Build. Ship. Win up to $5M in Seed Funding*
27 Sep 2026 · San Francisco
Play
[vibe coded] creator hackathon v3: build your tech stack
27 Sep 2026 · Chicago
got2eat
Food crawl & Vibecode Hackathon
26 Sep 2026 · New York
African American Art & Culture Complex
2026 Student Robotics Hackathon
26 Sep 2026 · San Francisco
The AI Collective
Hack for Humanity: Build Day
26 Sep 2026 · Washington DC
Glasswing Ventures
Test Flight: Glasswing Ventures AI Hackathon ($300K In Compute!) - Sponsored by Microsoft Azure & AWS
26–27 Sep 2026 · Boston
iUrban Teen
iUrban Teen's 2026 AI Hackathon - Long Beach
26 Sep 2026 · Los Angeles
Devpost, Inc.
Cyber Hawk Hack Days
26 Sep 2026 · West Long Branch
Devpost, Inc.
Shower Hacks
26–27 Sep 2026 · San Francisco
Glasswing Ventures
Test Flight: Glasswing Ventures AI Hackathon
26–27 Sep 2026 · Boston
TAMUCC Youth Code Jam
Coastal Bend Community Code Jam - Volunteer
26 Sep 2026 · Corpus Christi
Devpost, Inc.
Lake Oswego Hacks
26–27 Sep 2026 · Online
MongoDB
The Harness Engineering & Model Wrangling Hackathon
26 Sep 2026 · New York
Chicago Innovate Tech AEC
Hackathon
26–27 Sep 2026 · Chicago
AI Collective - Macon
Hack for Humanity
26 Sep 2026 · Macon
BlueDot Impact
Hackathon: AI Tools for Better Decisions and Coordination
26–27 Sep 2026 · San Francisco
NYC Hackathon by Block Convey
AI x GTM Hackathon - Sales Talks
26 Sep 2026 · New York
CU Boulder Game Development Club
Colorado Game Jam
26 Sep 2026 · Denver
Guava
Guava Voice AI Hackathon: Build Night Boston
26 Sep 2026 · Boston
NYC PIT Pop Up
Macaulay Honors Datathon Showcase Day 3
26 Sep 2026 · New York
Monad Foundation Events
Metropolis Hackathon Builder Day: SF | $250,000 in prizes
26 Sep 2026 · San Francisco
Devpost, Inc.
Badger Build Fest 2026
26–27 Sep 2026 · Madison
Devpost, Inc.
HackWashU Fall AI Build Challenge
25–27 Sep 2026 · St. Louis
Impact Hub Houston
SAVE THE DATE: Houston Hackathon 2026
25–27 Sep 2026 · Houston
AI Freedom Lab
AI Hack for Freedom III - Winners Announcement & Celebration
25 Sep 2026 · Washington DC
0-1 Startup Club
0-1 Startup Club Hackathon
25–29 Sep 2026 · Minneapolis
AITX
Base Power x AITX Talent Hackathon
25–27 Sep 2026 · Austin
Devpost, Inc.
Business + AI Hackathon
25 Sep 2026 · New York
tokens&
Long Horizon Agents Hackathon
25 Sep 2026 · San Francisco
Stanford Bioinformatics Center
Stanford Multi-Omics Hackathon 2026
25 Sep 2026 · San Francisco
Black Star Creative Collective (BSCC)
KHEM FEST Game Jam: Cyber-Ancestral Visions
25 Sep 2026 · New York
NYC PIT Pop Up
Macaulay Honors Datathon Showcase Day 2
25 Sep 2026 · New York
ArtHall
Video Game Jam
25 Sep 2026 · Washington DC
Open Source San Jose
Hack Night Open Source San Jose
24 Sep 2026 · San Francisco
Reem Khan
GM #2: CapCut Hackathon
24 Sep 2026 · Los Angeles
NYC PIT Pop Up
Macaulay Honors Datathon Showcase Day 1
24 Sep 2026 · New York
Devpost, Inc.
Origin Weekend Fall 2026 (x Replit)
24–28 Sep 2026 · Los Angeles
React ATL Organizer
Code Jam: Build Something Gloriously Useless
23 Sep 2026 · Atlanta
Everesteer
Everesteer Hedge Fund Hackathon: New York City
23 Sep 2026 · New York
ICF Calendar
Extreme Heat and Vulnerable Populations Datathon
22 Sep 2026 · New York
The Blockchain Legal Institute Inc
Build the Future of HealthTech: Workshops, AI Tools, & Hackathon Showcase
22–23 Sep 2026 · Bowie
Modal
Boston Computational Biology Hackathon with Anthropic, Modal, and Flagship Pioneering
22 Sep 2026 · Boston
Chi Hack Night
Chi Hack Night: Cook County Assessor (In Person & Online):
22 Sep 2026 · Chicago
Tech@NYU
Tech@NYU Hackdays: 001
22 Sep 2026 · New York
1% for the Planet Volunteer Hackathons
1% for the Planet Volunteer Hackathon
21 Sep 2026 · New York
Devnovate
SF Enterprise Hackathon 2.0
21 Sep 2026 · San Francisco
Bright Data
Battle of the Personal Brains Hackathon 🧠
21 Sep 2026 · San Francisco
Ascension - by AGI House SF
The AI Debates Hackathon
20 Sep 2026 · San Francisco
Green Jobs Board
Green Hackathon By Green Jobs Pavilion
20–23 Sep 2026 · New York
VetsInTech
VetsinTech Greater Philadelphia at the AI Agent Hackathon
20–22 Sep 2026 · Philadelphia
Madeleine
Building the Future: A Life-Centric Climate & Civic Tech Makeathon
20 Sep 2026 · New York
NC State Game Jam 2026 Team
NC State University's Collegiate Game Jam 2026 Showcase
20 Sep 2026 · Raleigh
Devpost, Inc.
Alpaca x Conviction Trading Hackathon
20 Sep 2026 · San Francisco
PromptQL Events
Rebuild With Jev: Decision Bot Architecture + Hackathon
20 Sep 2026 · San Francisco
Devpost, Inc.
Trust in the Hiring Funnel Hackathon
19 Sep 2026 · New York
SpaceXAI for Austin, US
Cursor Austin X AITX Hackathon
19 Sep 2026 · Austin
Journey Foods
NYC | Food + A.I. Hackathon
19 Sep 2026 · New York
Niobium
Niobium Vibe Hackathon: Build Apps on Encrypted Data
19 Sep 2026 · San Francisco
localhost:nyc
Trust in the Hiring Funnel Hackathon @ NYU
19 Sep 2026 · New York
Dan Bakke
A hackathon to kick off NYC Climate Week 2026
19 Sep 2026 · New York
AITX
AITX Houston Hackathon
19 Sep 2026 · Houston
LIKELION US
Dream AI Hackathon 2026
19 Sep 2026 · San Francisco
Atlanta Tech Village
Hack ITP: A hackathon for builders
19 Sep 2026 · Atlanta
The AI Collective
Hackathon - AI Collective X UNT Frisco
19 Sep 2026 · Dallas
Rishabh Surendran
Health in Climate AI Hackathon NYC
19–20 Sep 2026 · New York
Agentic Day
Miami AI Hackathon: Mel + ElevenLabs
19 Sep 2026 · Miami
Devpost, Inc.
SteelHacks XIII
19–20 Sep 2026 · Pittsburgh
Portland Technology Events Calendar
Stripe Hackathon
19 Sep 2026 · Portland
[SF] HackerSquad
TrueFoundry Agent Harness Hackathon
19 Sep 2026 · San Francisco
[UnityNYC] Official New York Unity User Group
UnityNYC Summer Jam Hackathon 2026: A Weekend of Building Together
19–20 Sep 2026 · New York
Sacramento Developer Collective
Progressive Game Jam
19 Sep 2026 · Folsom
The AI Collective
Hack for Humanity: San Francisco (powered by Google Gemini)
19 Sep 2026 · San Francisco
Fig Studio
The Executable World: A Full Stack AI Hackathon & Mixer
19 Sep 2026 · San Francisco
Bonjour Girls
[OFFICIAL] Bonjour Girls in NYC - BG × Zo Buildathon: A Fun and Powerful Afternoon to Build Something Using AI
19 Sep 2026 · New York
Seattle Career Development & Experiential Learning Events
Defense Tech Jam Hackathon
18–20 Sep 2026 · Seattle
Viam
Robot Hackathon: Fine Motor Skills
18–19 Sep 2026 · New York
Tampa Bay Innovation
Bay Hacks
18–19 Sep 2026 · Tampa
comma.ai
COMMA_HACK 7
18–20 Sep 2026 · San Diego
Tom
Swift Compute InfraJam Hackathon 2026
18–20 Sep 2026 · San Francisco
The Central Ohio Gamedev Group
2026 GDEX Game Jam - Online via Discord and Itch.io
18–26 Sep 2026 · Online
Devpost, Inc.
SASEhack 2026
18–21 Sep 2026 · Online
UAH Invention to Innovation Center
AI After Hours: THE IBM BOB HACKATHON
17 Sep 2026 · Huntsville
MantisGrid AI
MantisGrid AI Hackathon & Summit 2026
17 Sep 2026 · San Francisco
Devpost, Inc.
MantisGrid AI Hackathon 2026
17 Sep 2026 · San Francisco
LabLab AI
AI Infra Summit Hackathon
15–17 Sep 2026 · San Francisco
One-U Responsible AI Initiative
Minds & Machines: AI in Education Hackathon
15–17 Sep 2026 · Salt Lake City
CMU Startup Week
Uncanny Valley Fest Pittsburgh: AI Filmmaking Hackathon
15 Sep 2026 · Pittsburgh
Keller Williams Infinity
Culture Club Challenge: Infinity vs. Premiere Properties Pickleball Tournament!
14 Sep 2026 · Chicago
Devpost, Inc.
Rutgers x Elastic Hackathon
14 Sep 2026 · New York
EtoP Success
Culture Club Challenge: Premiere Properties vs. Infinity Pickleball Tournament!
14 Sep 2026 · Chicago
Wasmer
AI Security Hackathon - By Hackathons.team
13 Sep 2026 · San Francisco
Verci LA
Verci LA Makeathon
13 Sep 2026 · Los Angeles
Flushing Tech
Jamaica Tech Bi-Weekly Hackathon
12 Sep 2026 · New York
Google Developer Groups - Brooklyn
Runway to Reality: AI Fashion Hackathon
12 Sep 2026 · New York
Devpost, Inc.
Southwest MN Hacks
12–13 Sep 2026 · Marshall
Francesca Sala
Hackathon
12 Sep 2026 · San Francisco
Prisha Khona
54 Hackathon FA26
12–13 Sep 2026 · Chicago
Beta University Events
AI + Education Hackathon@Stanford
12 Sep 2026 · San Francisco
AI Tinkerers San Francisco
Agents, Everywhere: Global Hackathon with OpenAI • CopilotKit • openrouter [SF]
12 Sep 2026 · San Francisco
Weights & Biases
CoreWeave Hacks: Agent Loops Hackathon with Weights & Biases, AGI House, and TypeSafe AI
12–13 Sep 2026 · San Francisco
Builderbase Hackathons
Dell x NVIDIA Hackathon / Local AI on Dell Pro Max with GB10 -- Cornell
12 Sep 2026 · Ithaca
Devpost, Inc.
HackWesTX VII
12–13 Sep 2026 · Lubbock
Devnovate
Data & AI Hackathon: Real job. Real AI. Real scale.
11 Sep 2026 · San Francisco
Devpost, Inc.
Hack CMU
11–12 Sep 2026 · Pittsburgh
You.com
Build with YOU: The Live Web Agent Hackathon
11 Sep 2026 · New York
Adam Kablawi
Build18 Hackathon Kickoff
11 Sep 2026 · Pittsburgh
Abundant Leaders San Francisco
Building for SF — A Free Civic Buildathon, Sept 11-12 - Two days. Real projects. A city that works better.
11–12 Sep 2026 · San Francisco
dsmHack.org
Hack Away Hunger: Food Insecurity Challenge
10 Sep 2026 · Des Moines
One-U Responsible AI Initiative
Minds & Machines Hackathon: Enablement Session 4
10 Sep 2026 · Salt Lake City
Hackers Guild
Open Hack Night
10 Sep 2026 · Pittsburgh
Slow Ventures
Creator AI Bootcamp & Hackathon II
9–10 Sep 2026 · New York
Niobium
Encrypted Build Night: a 4-Hour Mini Hackathon
9 Sep 2026 · San Francisco
VIP Center for Business Women
Business Clinic: Hack-Proof Your Business, Money, and Information
9 Sep 2026 · Indianapolis
One-U Responsible AI Initiative
Minds & Machines Hackathon: Enablement Session 3
8 Sep 2026 · Salt Lake City
Devpost, Inc.
ML Empowerment Build Challenge 3.0 - ($96,000 in prizes!)
5 Sep – 10 Oct 2026 · Online
Devpost, Inc.
Hack Away Hunger: Food Insecurity Challenge
18 Jul – 8 Oct 2026 · Johnston
free hackathons · by city
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