Open Source Game Engine

Widely used and well-supported open source game and simulation engine.

Crystal9 is an open source e-commerce software engine.

Teega is an open source web browser that uses the Trident layout engine.

It provides PrimaSoft's applications with all database functionality.

Aleph One is the open source continuation of Bungie's Marathon 2 game engine.

Recover password-protected MS Project files (*.mpp) and templates (*.mpt).

This is an open-source template-based configuration system (template engine).

Open Sonic is an open-source game based on the "Sonic the Hedgehog" universe.

A reimplementation of the 1997 Bullfrog business sim Theme Hospital.

Turtle Arena is a free and open source cross-platform third-person action game.

It is a set of open-source Python bindings for The Open Dynamics Engine.

It is an open source multiplatform game development engine.

iVTS is a professional engine management system tuning program.

An open source, high precision corporate search engine based on Apache Nutch.

An open-source C# game engine designed for the future of gaming.