Dota 2 Workshop Tools

The Dota 2 Workshop Tools is a set of software utilities available as a free download for Dota 2 that allow you to create items for inclusion in the Dota store and the Steam Workshop and your own custom game modes (called addons).

Download and Installation | Frequently Asked Questions

Items Overview	Creating items for inclusion in the Dota store
Addons Overview	Creating, organizing and releasing your Dota 2 addon
Level Design	Level design and Hammer information
Scripting	An addon's script code defines the game rules for an addon
Modeling	Models are the detailed objects or characters that appear in the game world
Materials	Images and shader controls are combined to create materials
Sounds	Audio production for addons
Particles	Effects like smoke, sparks, blood and fire are created using particles
Panorama	Panorama UI, used for custom interface in your game mode
Scaleform UI	DEPRECATED Scaleform was for UI in Alpha, and will be removed.
Community	Getting involved with the modding community
Third-Party Tools	Developer tools created by the modding community