4 links

Links & resources

Curated free and open resources: games, open-source projects and knowledge sources. Licenses and availability are checked.

play0ad.comGPL-2.0-or-later

Free, open-source historical real-time strategy game for Linux, Windows and macOS.

Free games Source code ↗ Checked: 18 October 2026

godotengine.orgMIT

Completely free and open 2D/3D game engine — no fees, no royalties.

Open-source projects Source code ↗ Checked: 18 October 2026

developer.mozilla.orgCC-BY-SA-4.0

Open documentation for HTML, CSS and JavaScript, with examples.

Knowledge sources Source code ↗ Checked: 18 October 2026

wikipedia.orgCC-BY-SA-4.0

The free, community-written encyclopedia; content licensed CC BY-SA.

Knowledge sources Checked: 18 October 2026