Free open-source C# game engine for 2D and 3D games
Platforms: Windows
shares #game-engine #open-source · also Games · both Free · Stride alternatives →
✓ Links checked Sep 2026View →
12 best Heaps alternatives
Tools similar to Heaps (Cross-platform Haxe graphics engine for high-performance games): 17 listed tools match Heaps by shared tags — two or more shared tags (exact or near-synonym, weighted by tag position and rarity), or one strong shared topic tag plus the same category or pricing; ranked by shared-tag weight (rarer tags count more, same category adds a bonus), then same pricing; the first 12 of 17 matches are shown (12 of 74 Games tools). No votes, no paid placement.
Closest match by shared tags: Stride — shares #game-engine #open-source, same category (Games), both Free. Next: Ursina, Bevy, ct.js.
= official website confirmed live by our automated check · how we check →
Python-powered open-source game engine with concise code
shares #game-engine #open-source · also Games · both Free · Ursina alternatives →
✓ Links checked Sep 2026View →
Refreshingly simple data-driven game engine built in Rust
shares #game-engine #open-source · also Games · both Free · Bevy alternatives →
✓ Links checked Sep 2026View →
Free 2D game engine based on web technologies with visual tools
Platforms: Windows
shares #game-engine #open-source · also Games · both Free · ct.js alternatives →
✓ Links checked Sep 2026View →
Ebitengine
ebitengine.org
Dead simple open-source 2D game engine for Go
shares #game-engine #open-source · also Games · both Free · Ebitengine alternatives →
✓ Links checked Sep 2026View →
Zig game engine and graphics toolkit for cross-platform apps
shares #game-engine #open-source · also Games · both Free · Mach alternatives →
✓ Links checked Sep 2026View →
Open-source data-driven 2.5D game development engine for C/C++
shares #game-engine #open-source · also Games · both Free · Orx alternatives →
✓ Links checked Sep 2026View →
Lua-based open-source 2D game engine forked from Corona SDK
shares #game-engine #open-source · also Games · both Free · Solar2D alternatives →
✓ Links checked Sep 2026View →
Lightweight free and open-source 2D game engine with a graphical editor
Platforms: macOS
shares #game-engine #open-source · also Games · both Free · Solarus alternatives →
✓ Links checked Sep 2026View →
Free open-source no-code game engine for 2D, 3D and multiplayer games
Platforms: iOS · Android · macOS · Windows · Linux
shares #game-engine #open-source · also Games · GDevelop alternatives →
✓ Links checked Sep 2026View →
Flax Engine
flaxengine.com
Fully featured game engine with full source code access
Platforms: macOS · Windows
shares #game-engine · also Games · Flax Engine alternatives →
✓ Links checked Sep 2026View →
Free 2D game engine for beginners and professional indie developers
Platforms: macOS · Windows
shares #game-engine · also Games · GameMaker alternatives →
✓ Links checked Sep 2026View →
More Games
Same category as Heaps, but without a shared tag — not counted as alternatives.
Cross-platform Java game development framework based on OpenGL
✓ Links checked Sep 2026View →
Babylon.js
www.babylonjs.com
Open web-based 3D engine for games and interactive experiences
✓ Links checked Sep 2026View →
Compare side by side:Heaps vs StrideHeaps vs UrsinaHeaps vs BevyHeaps vs ct.jsHeaps vs EbitengineHeaps vs MachHeaps vs OrxHeaps vs Solar2D
Looking for the original? See the full Heaps listing, or browse all Games.
Related tags: #game-engine · #haxe · #cross-platform · #open-source
Frequently asked questions
What are the best Heaps alternatives?
The top Heaps alternatives on ToolDock are Stride, Ursina, Bevy, ct.js, Ebitengine — 12 alternatives matched by shared tags and category.
Are there free alternatives to Heaps?
Yes — 9 listed alternatives are labeled free: Stride, Ursina, Bevy, ct.js, Ebitengine. Pricing label set at listing time; official pricing page linked where verified.