55GMS is a website for unblocked games, apps, and web proxies, with hundreds of playable titles in the browser.

It started as a small site in late 2022 and went open source under the 55gms org in 2024, where it's picked up around 150 stars and 600 forks. Anyone can self-host it on Render, Koyeb, Codespaces, or a VPS.