Explore UI Hackathons 2026

Craft beautiful, intuitive user interfaces at UI hackathons focused on layout, interaction, and polish.
Explore Ui hackathons online and in-person
IN-PERSON 8-Bit Jam

Aug. 8, 2026 - Aug. 9, 2026

Ended

8-Bit Jam is a hackathon/game jam happening on August 8-9th in Herndon, Virginia for Fairfax County high school students! With a team of 2-4 of …

IN-PERSON Build Nepal

Aug. 1, 2026 - Aug. 2, 2026

Ended

Build Nepal Build Today. Transform Tomorrow. Have an idea that could improve life in Nepal? This is your chance to turn it into reality. Build …

ONLINE STEMist Hacks IV

July 31, 2026 - Aug. 2, 2026

Ended

Welcome to STEMist Hacks IV where you can create projects to win prizes. Throughout the hackathon, you will also have the opportunity to learn and …

ONLINE Zoo API Makeathon

July 22, 2026 - Aug. 5, 2026

Ended

Build Something Worth Sharing The Zoo API Makeathon is a virtual building competition focused on one goal: Create projects designed to inspire fellow developers, showcase …

IN-PERSON 757 BLD WKND 2026 2.0

July 17, 2026 - July 19, 2026

Ended

If you like to build and create, this event is for you. Picture a vibrant space where entrepreneurs, students, and professionals converge to build whatever …

IN-PERSON Jechacks

July 11, 2026

Date TBD

What is JecHacks? JecHacks is a non-profit 12-hour hackathon based in Mississauga, Ontario that is run by students. The event is designed for high school …

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web · In-person
IN-PERSON HackOnVibe

July 10, 2026 - July 12, 2026

Ended

HackOnVibe is for builders who want to stop postponing ideas. You do not need to build a company in 72 hours. You need a small …

ONLINE Build an MCP App and get upto $150 Prize

July 8, 2026 - July 18, 2026

Ended

Hi everyone, I'm one of the organizers behind MCP to the Moon, a community focused on helping developers build and share MCP applications. We've been …

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ai · api · Online
ONLINE Hack for Humanity | Summer 2026

July 3, 2026 - Aug. 2, 2026

Ended

About the challenge Hack for Humanity is a hackathon that brings developers together in a 1-month event to come up with unique and creative solutions …

IN-PERSON Hackathon IA à l'Assemblée nationale

July 3, 2026 - July 4, 2026

Ended

Comment intégrer une intelligence artificielle de confiance dans le parcours législatif ? C'est la question au cœur du hackathon organisé par l'Assemblée nationale les 3 …

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