Top Open Source Alternatives to Popular SaaS Apps
Discover open-source apps categorized by the SaaS tools they replace. Find high-quality, free alternatives to your favorite software.
Unity
11 Open Source Alternatives to Unity
Godot
11 Open Source Alternatives to Godot
Construct
10 Open Source Alternatives to Construct
GameMaker Studio
10 Open Source Alternatives to GameMaker Studio
RPG Maker
10 Open Source Alternatives to RPG Maker
Notion
8 Open Source Alternatives to Notion
Unreal Engine
8 Open Source Alternatives to Unreal Engine
Firebase
7 Open Source Alternatives to Firebase
ChatGPT
6 Open Source Alternatives to ChatGPT
Google Gemini
6 Open Source Alternatives to Google Gemini
Claude
6 Open Source Alternatives to Claude
AWS Amplify
6 Open Source Alternatives to AWS Amplify