Explore JavaScript Hackathons 2025

Dive into JS hackathons and build dynamic, interactive apps using the world’s most popular scripting language.
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ONLINE 305 Hack Spr26 | SubmissionPortal | [email protected]

March 20, 2026 - March 22, 2026

Ended

🔝 🔝 305 Hack Spring 2026 | Devpost Submission Portal ONLYRegister at 305hackspring2026.vercel.app Announcing 305 Hack: Spring 2026 EditionHosted by CODE CRUNCH, ColorStack at FIU, …

ONLINE United Hacks V6

Jan. 16, 2026 - Jan. 18, 2026

Ended

Important Dates: Opening Ceremony: January 16th, 2025 at 7:00pm EST Submissions Due: January 18th, 2025 at 12:00pm EST Closing Ceremony: January 18th, 2025 at 8:00 …

ONLINE CodeFest Hackathon 2025 SubmissionPortal | [email protected]

Dec. 8, 2025 - Dec. 16, 2025

Ended

Register at codefesthack2025.vercel.appTop Hacks @ FIU — Where Innovation Empowers Everyone Hosted by CODE CRUNCH, ColorStack at FIU, and CAHSI at FIU, this fully virtual …

IN-PERSON codeLinc 10 with Lincoln Financial & AWS

Oct. 18, 2025 - Oct. 19, 2025

Ended

For 10 years, Lincoln Financial has hosted a 24-hour coding challenge where high school and undergraduate students have an opportunity to solve technology challenges. Under …

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enterprise · fintech · machine learning · Greensboro, North Carolina, United States
IN-PERSON Opportunity Hack 2025 | ASU Fall Hackathon 2025 | Tempe Arizona - Oct 11-12

Oct. 11, 2025 - Oct. 12, 2025

Ended

About the challenge Apply here: https://www.ohack.dev/hack/2025_fall#applications Join 90 hackers at ASU's unique nonprofit-focused hackathon in Phoenix. 36-hour coding marathon with $5K prizes. Beginner-friendly. Register now! …

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beginner · social · Tempe, Arizona, United States
ONLINE Snap AR Lensathon - Gamathon 25

Sept. 25, 2025 - Oct. 2, 2025

Ended

About the challenge The Snap AR Lensathon Challenge, happening during Gamathon week, spotlights African creators using Snap AR Lens Studio to build immersive and interactive …

ONLINE AMOGHA WEBATHON

Sept. 19, 2025

Ended

Join Webathon 2025, a fast-paced 1.5-hour online coding event for web enthusiasts! Test your HTML, CSS, and JavaScript skills in two exciting rounds: Level-1: Debugging …

ONLINE Meta Horizon Creator Competition: Mobile Genre Showdown - Reloaded

Sept. 18, 2025 - Oct. 31, 2025

Ended

About Competition We're excited to announce Mobile Genre Showdown: Reloaded, our biggest competition yet, with a chance to win a share of $2.5 million! This …

ONLINE First Visions: Danta

Sept. 18, 2025 - Sept. 22, 2025

Ended

About the challenge First Visions: Danta is our first AI hackathon, built for devs who want to create real, working AI agents on Maestro.This September …

IN-PERSON Innovare Summit - Harvard University

Sept. 17, 2025 - Oct. 20, 2025

Ended

Please fill out this form to be registered as an official participant/team: Registration Form Students devise practical business, systems engineering, product-based, or software solutions to …

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beginner · machine learning · social · Cambridge, Massachusetts, United States

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