Google Maps SDK for iOS Utility Library
A dead simple 2D game engine for Go
A modular geospatial engine written in JavaScript
Community-developed library for professional-quality creative coding
Cross-platform game engine in Rust
A ibrary for compressing and decompressing 3D geometric meshes
Examples of procedural geometry for Unity3D C#
Free 3D Mobile CAD
3D .NET engine for Windows, Linux, Mac
A Web Tool for use in Geometry
An iPad app that visualizes simple structural mechanics problems.