Details what's important for developers to know in creating or distributing WoW AddOns.
Reference materials for the legal aspects of WoW AddOn development
For those who are Legally minded, or are otherwise concerned or interested. Reading the AddOn Policy below is strongly suggested for everyone.
- World of Warcraft - AddOn Policy
- Historic "Glider" Summary Judgement
- Blizzard General Legal FAQ and Copyright Infringement Summary Reminders
Excerpt from 2010
- AddOns must be free of charge.
- AddOn code must be completely visible.
- AddOns must not negatively impact World of Warcraft realms or other players.
- AddOns may not include advertisements.
- AddOns may not solicit donations.
- AddOns must not contain offensive or objectionable material.
- AddOns must abide by World of Warcraft ToU and EULA.
- Blizzard Entertainment has the right to disable AddOn functionality as it sees fit.
- Enforcement began after May 19th, 2009.
- AddOns must not re-distribute in-game music and audio files or other copyrighted materials.
It isn't exactly clear how Blizzard plans to enforce this policy, but developers should follow the policy or risk some sort of exclusion of their AddOns from the game. The following sentence ends the introductory paragraph of the policy: "failure to abide by them may result in measures up to and including taking formal legal action." See the Reference section above for the "Glider" case.