Addon Development Tools

Libraries

 * Sol
 * Luna
 * WaitTimer
 * AddonManager
 * AddonConfig
 * kwTools
 * awsmDropdown
 * More Libraries on Curse

Developer addons

 * LuaExplorer
 * AnalyzeMemory
 * UIMeasure
 * FunctionWatch
 * Event Watch
 * InGameScripts


 * More Dev tools on Curse

Editors

 * There is a very good Lua language plugin for IntelliJ IDEA. On the RoM forums Noguai has published guides about how to set this IDE up: English Version German Version
 * Free interface development environment (IDE) for Lua programming. Ships with the software development kit (SDK) and stand-alone compiler and linker. An addon developer must-have: Lua for Windows
 * AddOn Studio for WoW Has a WYSIWYG XML UI designer; just ignore the part about needing WoW
 * AddOn Studio 2010 for WoW Has a WYSIWYG XML UI designer; Works with Cata
 * WoW UI Designer (actually, the UI part doesn't work)
 * List of lua - and WoW-based editors

FDB Extractor

 * Original
 * Terestria's
 * fdb-Extractor 2

Other

 * AddOn Wizard for RoM: A stand-alone tool for creating RoM Addons;
 * Lua language service for developers using the Microsoft Visual Studio IDE.

Development references, guides & notes

 * Official Runes of Magic user fora:
 * European forum;
 * US forum.
 * CurseForge;
 * Programming in Lua;
 * .fdb file format information on Xentax wiki.