Join Solo Hackathons 2025

Build your own project from scratch in solo hackathons—perfect for makers, designers, and indie hackers.
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ONLINE Maximally Startup Makeathon

July 1, 2025 - July 6, 2025

Ended

🚀 Maximally Startup Makeathon 2025July 1–7 | India’s Boldest Teen Startup Challenge Maximally Startup Makeathon is a 7-day sprint where high schoolers from across India …

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 …

ONLINE IDL Debate Hackathon'25

June 20, 2025 - July 24, 2025

Ended

About the challenge Welcome to the IDL Debate Open Hackathon 2025, organized by Agentix, IIT Delhi. This pan-India hackathon aims to bridge the worlds of …

ONLINE win_Defi_forge

June 12, 2025 - July 10, 2025

Ended

Register Your Team https://forms.gle/CXCW2m1uT96KsTLF6Fill this Google Form to officially join the hackathon as a solo dev or as a team (up to 4 members). Introduction …

ONLINE RevenueCat's World Paywall Speed Building Championships 2025

June 8, 2025 - July 22, 2025

Ended

🏆 Welcome to RevenueCat's World Paywall Speed Building Championships Think you can build a paywall faster and more precisely than anyone else in the world? …

IN-PERSON East Bay Hacker's First Hackathon

June 6, 2025

Ended

About the ChallengeWe want to make coding exciting and accessible for everyone. Build something you're proud of, whether it's a helpful tool, a creative app, …

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beginner · San Francisco, California, United States
IN-PERSON VelociCode

June 1, 2025 - June 28, 2025

Ended

Welcome to VelociCode—the prehistoric programming showdown where only the most adaptable coders survive. Whether you're a solo dev or part of a full-stack dino squad, …

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beginner · games · San Antonio, Texas, United States
ONLINE CS Base Hack4Health

June 1, 2025 - July 1, 2025

Ended

Calling all young coders! Are you passionate about the environment and excited to use your coding skills to make a difference? Then join CS Base …

ONLINE FutureX Startup Cult

May 24, 2025 - May 25, 2025

Ended

FutureX Startup Cult isn’t your typical hackathon. It’s a 48-hour online challenge where students, solo builders, and first-time founders turn raw ideas into real startups …

ONLINE HACKATON LATAM WIS

May 16, 2025 - June 8, 2025

Ended

🌟 Equidad en Acción - Hackatón LATAM WIS 2025 ¡Bienvenidxs a la hackatón más transformadora del año!LATAM WIS 2025 es una hackatón virtual y latinoamericana …

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