Global HACKATHON RADAR
Your Essential onlyhub
Explore 160+ engineering competitions, Web3 buildathons, and campus hackathons aggregated across Devfolio, DoraHacks, MLH, Unstop, and WeMakeDevs.
Select Platform
161
Active Events
68
Virtual / Global
93
In-Person Venues
Find your competition
Showing 4 hackathons (ongoing)
dorahacksOnline
Ongoing β’ Ends in 43d
Mar 1, 2026 β Dec 19, 2026Virtual / Global
Hackathon 2026 Challenge
Smart City, Renewable Energy, Traffic Management, Urban Planning, Public Health, IoT (Internet of Things), AI & Machine Learning
AI & MLIoT & HardwareHealthcare & Bio
Free Registration
dorahacksOnline
Ongoing β’ Ends in 25d
Aug 1, 2026 β Nov 30, 2026Virtual / Global
Anna AI App Builder Program
AI, AI Agents, Anna, AI-Native Apps, LLM, Productivity, Developer Tools, Workflows
AI & ML
Free Registration
dorahacksOnline
Ongoing β’ Ends Soon
Until Nov 9, 2026Virtual / Global
HackTrent 2026
Beginner Friendly, Student Hackathon, AI, Web Development, Mobile Development, Open Source, Innovation, Education
AI & MLOpen SourceStudent & Beginner
Free Registration
dorahacksOnline
Ongoing β’ Ends Soon
Until Dec 31, 2026Virtual / Global
AlgoBharat Regional Hackathons
Algorand, Web3, Blockchain, Crypto, ai, agentic commerce, x402, payments
AI & MLWeb3 & CryptoFintech
Free Registration
WHY BUILD WITH ONLYHUB
Build prototypes. Win grants. Get noticed.
Join tens of thousands of developers discovering elite competitions, securing sponsor prize bounties, and turning weekend projects into venture-backed startups.