BDClickHouse Events
Better Days: A Hackathon — San Francisco
28 Aug 2026 · San Francisco
PRIZE$1,000
← all hackathons
54 upcoming
// filter: free entry
Free Hackathons USA
54 upcoming free hackathons in the US
They run from August 2026 through to March 2027. Listings run in New York, San Francisco, Atlanta and Boston, and 14 other cities. 3 of the 54 run online. Recurring themes include AI, Networking and AI Agents. Organisers listing here include ClickHouse Events, Bright Data and Devpost, Inc. Dates, prizes and registration links on every listing, updated weekly.
upcoming free hackathons
AHBright Data
Agent Harness Hackathon | Win an NVIDIA DGX Spark AI Supercomputer
29 Aug 2026 · San Francisco
PRIZE$5,000 pool
DGDevpost, Inc.
DreamHacks @ Georgia Institute of Technology
29 Aug 2026 · Atlanta
GVGuava
Guava Voice AI Hackathon: Build Night SF
29 Aug 2026 · San Francisco
PRIZE$3,000
JTFlushing Tech
Jamaica Tech Bi-Weekly Hackathon
29 Aug 2026 · New York
SSHack Club
Sunbeam Seattle
29 Aug 2026 · Seattle
AIBrowserStack Events
AI in Testing: Session + Hackathon- Atlanta QA Meetup by BrowserStack
3 Sep 2026 · Atlanta
PRIZE$500 pool
BABrowserStack Software Testing and QA Meetup Group - Atlanta
BrowserStack Atlanta Meetup: AI in Testing: Session + Hackathon
3 Sep 2026 · Atlanta
PRIZE$500 pool
FBObvious
Frontier Build ATL: Build your Autonomous Code Factory
3 Sep 2026 · Atlanta
CBWebb Schools CSC
CSC Back-to-School Hackathon
4 Sep - 5 Oct 2026 · Online
AXNYC Hackathon by Block Convey
AI x FINANCE HACKATHON - 💸 MONEY TALKS
5 Sep 2026 · New York
PRIZE$2,000 pool
FTFlushing Tech
Flushing Tech Bi-Weekly Hackathon
5 Sep 2026 · New York
HAdsmHack.org
Hack Away Hunger: Food Insecurity Challenge
10 Sep 2026 · Des Moines
PRIZE$5,000 pool
SMDevpost, Inc.
Southwest MN Hacks
12-13 Sep 2026 · Marshall
AFDevpost, Inc.
Agents for Humans Hackathon
10 Aug - 14 Sep 2026 · Online
PRIZE$40,000 pool
HFHack for LA
Hack for LA Civic Tech Volunteer Intro and ONBOARDING (online)
14 Sep 2026 · Online
RXDevpost, Inc.
Rutgers x Elastic Hackathon
14 Sep 2026 · New York
AILabLab AI
AI Infra Summit Hackathon
15-17 Sep 2026 · San Francisco
AAUAH Invention to Innovation Center
AI After Hours: THE IBM BOB HACKATHON
17 Sep 2026 · Huntsville
PRIZE$1,000 pool
CNCoalition Theater
Community Night: Jambalaya
17 Sep 2026 · Washington DC
MAMantisGrid AI
MantisGrid AI Hackathon & Summit 2026
17 Sep 2026 · San Francisco
PRIZE$10,000 pool
ATNet-Worth Mingle
AI & Tech Networking Event + Tech Hackathon
18-20 Sep 2026 · New York
ANNet-Worth Mingle
AI Networking + Hackathon Event
18-20 Sep 2026 · New York
ANWAGMI-Connect
AI Networking + Hackathon Event: Databricks x WAGMI-Connect
18-20 Sep 2026 · New York
ANNet-Worth Mingle
AI Networking Event + Tech Hackathon
18-21 Sep 2026 · New York
ANWAGMI-Connect
AI Networking Event + Tech Hackathon: Databricks x WAGMI-Connect
18-20 Sep 2026 · New York
ATNet-Worth Mingle
AI Tech Networking + Hackathon Event
18-20 Sep 2026 · New York
ATWAGMI-Connect
AI Tech Networking + Hackathon Event: Databricks x WAGMI-Connect
18-20 Sep 2026 · New York
DAWAGMI-Connect
Databricks AI Tech Networking + Hackathon Event: WAGMI-Connect
18-20 Sep 2026 · New York
TNWAGMI-Connect
Tech Networking + AI Hackathon Event: WAGMI-Connect
18-20 Sep 2026 · New York
PRIZETBA
BHTampa Bay Innovation
Bay Hacks
18-19 Sep 2026 · Tampa
PRIZE$500
PGSacramento Developer Collective
Progressive Game Jam
19 Sep 2026 · Folsom
VGVetsInTech
VetsinTech Greater Philadelphia at the AI Agent Hackathon
20-22 Sep 2026 · Philadelphia
BFThe Blockchain Legal Institute Inc
Build the Future of HealthTech: Workshops, AI Tools, & Hackathon Showcase
22-23 Sep 2026 · Washington DC
MLKenya Andrews, PhD
The Machine Learning Symposium on Justice at Brown University
24-26 Sep 2026 · Boston
SDImpact Hub Houston
SAVE THE DATE: Houston Hackathon 2026
25-27 Sep 2026 · Houston
2SAfrican American Art & Culture Complex
2026 Student Robotics Hackathon
26 Sep 2026 · San Francisco
HAChicago Innovate Tech AEC
Hackathon
26-27 Sep 2026 · Chicago
TFGlasswing Ventures
Test Flight: Glasswing Ventures AI Hackathon
26-27 Sep 2026 · Boston
PRIZE$300,000
ITiUrban Teen
iUrban Teen's 2026 AI Hackathon - Long Beach
26 Sep 2026 · Los Angeles
CCMeagan Brown
Code + Counsel Legal AI Community Hackathon: Building Common Ground
27 Sep 2026 · Boston
TSAlaska Version 3
Techstars Startup Weekend - Seward September 2026
2-4 Oct 2026 · Seward
DHDevpost, Inc.
Dublin Hacx
3-4 Oct 2026 · San Francisco
KIKingmakers of Oakland - Programs Team
Kings in the Making: Architects of the Arcade
3 Oct 2026 · San Francisco
HADevpost, Inc.
Hacklanta
9-11 Oct 2026 · Atlanta
WSDevpost, Inc.
WWU Social Justice Hackathon
16-18 Oct 2026 · Seattle
HFEdenas Children
Hackathon for Make-With-Data: Mapping Mental Health
21 Oct 2026 · New York
RCRecOps Con
RecOps Con Pre-Event Hackathon
21 Oct 2026 · Chicago
BPBŪP INNO
BŪP Innovation Weekend
6-8 Nov 2026 · Tampa
PRIZE$100,000 pool
W2Wolfjaw Studios
Wolfjam 2026
6-8 Nov 2026 · Albany
IIIndy Hackers
Indy Init 2026 — AI Builders Hackathon & Conference
7 Nov 2026 · Chicago
BCMission Launch Inc
Bo100M Charlotte Hackathon
02-03 Dec 2026 · Charlotte
D2DevNetwork
DeveloperWeek 2027 Hackathon
25 Jan - 11 Feb 2027 · San Francisco
TTDevpost, Inc.
Tech to Treasure Hackathon
3-10 Mar 2027 · San Francisco
what counts as these
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.
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free hackathons by city
// counts are listings under this filter — each hub also lists every other hackathon in that city