Try Prelint
at your local hackathon.
Every week, we partner with hackathons across Europe and the US.
Prelint is free for every team at every event. Click a city on the map to open its registration page.
Next █Adria Hack Sarajevo '26: The OvernightSarajevoSep 12–13
Attending a hackathon
Pick an event below to open its registration page. Your team gets Prelint free for the whole event. Prelint reviews your code while you build. You find problems before the demo.
Find your event ↓Organizing a hackathon
Your teams get Prelint free during the event. Your winners get Prelint credits. We promote your event to our audience. Send us your date to get started.
See what your event getsSeptember 2026
SEP 2026 · SARAJEVO
Overnight hackathon
Adria Hack Sarajevo '26: The Overnight
See the event ↗
SEP 2026 · LONDON
One day hackathon
Matrix OS Hackathon London
See the event →
SEP 2026 · STOCKHOLM
One day hackathon
Matrix OS Hackathon Stockholm
See the event ↗
SEP 2026 · GOTHENBURG
27 hour hackathon
Gothenburg Tech Week x Chalmers Hackathon
See the event ↗
SEP 2026 · ANKARA
One day event
Build & Sell Hackathon: Ship in Ankara
See the event ↗
SEP 2026 · BRUSSELS
Evening hackathon round
Tectonic Hackathon Brussels
See the event ↗
SEP 2026 · GHENT
Evening hackathon round
Tectonic Hackathon Ghent
See the event ↗
SEP 2026 · LIÈGE
Evening hackathon round
Tectonic Hackathon Liège
See the event ↗
SEP 2026 · LEUVEN
Evening hackathon round
Tectonic Hackathon Leuven
See the event ↗
SEP 2026 · ANTWERP
Evening hackathon round
Tectonic Hackathon Antwerp
See the event ↗
SEP 2026 · KORTRIJK
Evening hackathon round
Tectonic Hackathon Kortrijk
See the event ↗
SEP 2026 · LOUVAIN-LA-NEUVE
Evening hackathon round
Tectonic Hackathon Louvain-la-Neuve
See the event ↗