Godot Engine - Feature-packed 2D and 3D open source game engine.
Startup Toolkit - Interactive how-to guides to launch your startup
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Where To Post Your Product - A curated collection of 280+ websites to share your startup
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Manager checklist - Cheatsheet of things every manager should do