GMod Lua Editor, abbreviated as GMLE, is a Lua editor made for writing addons for the sandbox game Garry's Mod. It has everything to make coding addons an easy and quick job.
Syntax highlighting Function auto-complete and parameter information Checks for common errors while working (e.g. non-existing variable, weird character, forgetting a 'then') Almost completely removes the need of manually browsing folders Might have a built in derma editor Links to quickly look in the wiki or ask for help on Facepunch The editor is currently being written. There is no estimated release date yet, but you can try out the latest version anytime via the SVN.