Free open-source C# game engine for 2D and 3D games
Position #2 of 74 in Games · 12 alternatives · Facts on record: 3 of 5 · live ✓ · platforms · source
✓ Links checked 2026-09-07View →
5 best 3d tools
5 “3d” tools — 1 free, 3 freemium, 1 paid; spanning Games, AI Image. Every listing links straight to the official site — no paid placement.
Try: free AI logo maker · note taking app
804 tools listedUpdated 2026-08-14Dofollow links · availability re-checked automatically
= official website confirmed live by our automated check · how we check →
Related tags:#game-engine 15#open-source 106#collaboration 28#video 13#gamedev 9#audio 8#generative-ai 2#vr 2All tags →
Flax Engine
flaxengine.com
Fully featured game engine with full source code access
Position #27 of 74 in Games · 12 alternatives · Facts on record: 4 of 5 · live ✓ · platforms · docs · source
✓ Links checked 2026-09-06View →
Game engine geared toward VR projects and beginners
Position #44 of 74 in Games · 12 alternatives · Facts on record: 1 of 5 · live ✓
✓ Links checked 2026-09-06View →
Stability AI
stability.ai
Enterprise-ready creative partner for teams and creators
76 listed in AI Image · Facts on record: 1 of 5 · live ✓
✓ Links checked 2026-09-05View →
PlayCanvas
playcanvas.com
Open-source WebGL and WebGPU engine with a collaborative editor
74 listed in Games · 12 alternatives · Facts on record: 3 of 5 · live ✓ · pricing page · docs
✓ Links checked 2026-09-07View →