An open source parametric 3D CAD modeler

Model, animate, rig, & more in 3D

Get perfect 3D prints!

The Slicer for Every Maker

The Programmers Solid 3D CAD Modeller

Fun 3D billiards game

3D Lightcycle Game

High speed arctic racing game based on Tux Racer

EDuke32 is an awesome, free homebrew game engine

Slicer for the FlashForge 3D printers

Explore an infinite 3D museum

Blender but with UX for artists

A free (GPLv3) parametric 3d CAD tool

Plan and build a city

Fast paced, first person strategy game

Colonize with bots

UPBGE is a free and open source 3D Game Engine integrated in Blender

Source port for Build engine games

Stereoscopic Media Player

voxel editor

A card game about deduction, love and regret.