Explore UI Hackathons 2025

Craft beautiful, intuitive user interfaces at UI hackathons focused on layout, interaction, and polish.
Explore Ui hackathons online and in-person
ONLINE Hackboro 2025

June 23, 2025 - June 29, 2025

Ended

About the challenge Hackboro is the first annual hackathon hosted by Hillsborough High School's Computer Science club! Submissions will be accepted from June 23nd to …

IN-PERSON HackAI Toronto

June 21, 2025 - June 22, 2025

Ended

Important: Do NOT Join through Devpost. Please apply via the HackAI Toronto Typeform. We will not be accepting any participants from Devpost. Applicants will be …

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machine learning · Toronto, Ontario, Canada
IN-PERSON WhatsAI Hackathon

June 21, 2025 - June 22, 2025

Ended

About the challenge The WhatsAI Hackathon invites you to explore the exciting intersection of generative AI and accessibility! This 2-day event focuses on leveraging the …

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machine learning · social · San Francisco, California, United States
IN-PERSON Code Crush

June 21, 2025 - June 22, 2025

Ended

Hosted by Metal Magic FTC Robotics Team Unleash your creativity and coding skills in an exciting two-day hackathon open for rising 6th-12th grade students! Compete …

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beginner · games · web · United States
IN-PERSON Creator Hacks (Outdated)

June 21, 2025 - June 22, 2025

Ended

About the challenge This page is now outdated. Please refer to HackAI Toronto for the up-to-date Devpost page. Why build for creators? The job market …

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machine learning · Toronto, Ontario, Canada
IN-PERSON Speaking with Machines

June 21, 2025

Date TBD

One rule - don't build UIs. ​Date: Saturday June 21, 2025 ​Location: Completely virtual - join from anywhere ​Timing: 8 hour hackathon with kick off …

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design · machine learning · web · San Francisco, California, United States
IN-PERSON TUM Science Hackathon 2025

June 20, 2025 - June 22, 2025

Ended

The TUM Science Hackathon is a unique 3-day event where interdisciplinary student teams solve real-world challenges from industry and research. Hosted in Munich, the Sciencehack …

IN-PERSON Vibe Hacks 2025

June 17, 2025

Date TBD

About the Challenge This hackathon focuses on creating innovative and impactful products that leverage AWS Bedrock's capabilities. While we encourage clean and functional code, the …

IN-PERSON Summer Hacks 2025

June 16, 2025

Date TBD

Summer Hacks is a student-led STEM innovation event bringing together high school students from the Naperville–Aurora area for a high-energy, hands-on hackathon. Participants will combine …

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beginner · education · low/no-code · Aurora, Colorado, United States
ONLINE FusionHacks 2

June 15, 2025 - Aug. 2, 2025

Ended

Fusion Hacks 2 is a 1.5-month-long hackathon with a unique twist. We want to see students fuse cross-disciplinary ideas into one project. Led by high-school …

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