Join Web Hackathons 2025

Join web hackathons to build modern applications, sites, and tools for the open internet.
Explore Web hackathons online and in-person
IN-PERSON Milpitas Hacks 2.0

May 24, 2025

Ended

Are you a high-schooler or middle schooler interested in computer science? Do you want to build meaningful projects and win prizes for them? Welcome to …

IN-PERSON Citrus Hack 2025

April 19, 2025 - April 20, 2025

Ended

About the challenge

Citrus Hack is a 36-hour hackathon hosted by the University of California, Riverside. Hackers are challenged to create a project on the …

IN-PERSON Tech Titans Hack Fest

April 17, 2025 - April 19, 2025

Ended

About the Challenge

 

The Tech Titans Hackathon is an opportunity for students to tackle real-world problems in education using technology. Whether it's improving online …

IN-PERSON AI For Social Good: Dr. B. R. Ambedkar Birth Anniversary

April 12, 2025

Ended

Join us for an innovative one-day hackathon where participants will collaboratively build a comprehensive AI solution addressing a critical social challenge. Unlike traditional hackathons where …

IN-PERSON WebVM: The hackathon II

April 7, 2025 - April 14, 2025

Ended

About the challenge

WebVM: The hackathon is a global hybrid event open to all developers! Dive into the world of in-browser virtualization by leveraging CheerpX …

IN-PERSON HackUSF 2025

April 5, 2025 - April 6, 2025

Ended

HackUSF 2025 is the University of South Florida’s premier 24-hour in-person hackathon focused on artificial intelligence and innovation. Whether you are an experienced hacker or …

IN-PERSON Luddy Hacks

April 4, 2025 - April 6, 2025

Ended

IMPORTANT: Please sign up using our Tally Form to officially sign up for this hackathon.
Welcome! The Luddy School of Informatics, Computing, and Engineering will …

ONLINE AI Agent beginners Hackathon

March 30, 2025 - April 6, 2025

Ended

What is the AI Hackathon?

Why join?

  • Gain hands-on experience with AI technologies
  • Compete for a $600 prize pool
  • Get your project featured in the …

ONLINE GUD 2025 Design-A-Thon

March 29, 2025 - March 30, 2025

Ended

About the challenge

Participants must create a design solution inspired by the provided theme prompt. There is no wrong answer, theme can be open to …

IN-PERSON LG Hacks

March 23, 2025

Ended

Hack Your World: Everyday Problems, Simple Solutions

  • Check In   7:30 AM - 8:00 AM
  • Opening Ceremony   8:00 AM - 8:30 AM
  • Hacking Begins   9:00AM
  • Wolfram …

Get ahead in innovation - receive all the latest hackathons directly in your inbox.

Subscribe