Zammad
An open help desk combining email, chat, phone, social channels, knowledge base, SLAs, roles, reports, and languages.
Why use it
Support teams can centralize account, payment, and technical issues while giving development categorized and traceable player signals.
Where it fits
Use analytics, feedback, player support, and updates to fix issues and decide what to improve after launch.
What to check
Production needs search, backup, email, and upgrade operations, commercial support costs extra, and tickets contain personal and account data requiring strict permissions.