Top 12 Open-Source Alternatives to Heaps.io

Product categories

2D Game Engine 3D Game Engine Game Development Game Engine

Summary

The top open-source alternatives to Heaps.io are HaxeFlixel, Godot Engine, and Unity. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

HaxeFlixel Landing Page
1

HaxeFlixel

Create cross-platform games easier and free. All with one codebase.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 9 social mentions
Godot Engine Landing Page
2

Godot Engine

Feature-packed 2D and 3D open source game engine.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 447 social mentions
Unity Landing Page
3

Unity

The multiplatform game creation tools for everyone.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 197 social mentions
Defold Engine Landing Page
4

Defold Engine

Defold lets you quickly build high performing, cross-platform games together with your team.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 47 social mentions
Phaser Landing Page
5

Phaser

Desktop and Mobile HTML5 game framework. A fast, free and fun open source framework for Canvas and WebGL powered browser games.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 120 social mentions
MonoGame Landing Page
6

MonoGame

MonoGame is an open source implementation of the Microsoft XNA 4 Framework.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 2 social mentions
Tilengine Landing Page
7

Tilengine

Cross-platform 2D graphics engine for retro games in Portable C
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 2 social mentions
FNA Landing Page
8

FNA

FNA is a reimplementation of the Microsoft XNA Game Studio 4.0 Refresh libraries.
Pricing:
- Open Source
#Game Engine #Game Development #3D Game Engine 16 social mentions
Flax Engine Landing Page
9

Flax Engine

Best development performance out there Unleash your creativity and be more productive. With Flax you can boost your game development and bring it to another level. We’ve created tools that are slim and agile. No Read more…
Pricing:
- Open Source
#Game Engine #Game Development #3D Game Engine 11 social mentions
nCine Landing Page
10

nCine

Cross-platform 2D game engine in C++
Pricing:
- Open Source
#Game Engine #Game Development #2D Game Engine 4 social mentions
Armory3D Landing Page
11

Armory3D

Armory 3D is a free and open source game development software developed using Haxe and Kha and made to run inside Blender.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 10 social mentions
GDevelop Landing Page
12

GDevelop

GDevelop is an open-source game making software designed to be used by everyone.
Pricing:
- Open Source
#Game Development #Game Engine #3D Game Engine 75 social mentions