Unity - The multiplatform game creation tools for everyone.
Clio - Clio provides a full suite of web-based practice management tools targeted specifically at the administrative needs of sole practitioners and small firms.
Godot Engine - Feature-packed 2D and 3D open source game engine.
MyCase - Practice More, Manage Less.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
PracticePanther - PracticePanther offers CRM, invoicing, time tracking and communication solutions for law firms.