Skyrim Special Edition

xEdit's engine behind a modern interface, with a JavaScript scripting layer and the zMerge plugin merger built in.

The community bugfix compilation — thousands of fixes to quests, dialogue, items, NPCs, scripts and the world itself.

The scripting extender that a large part of the Skyrim modding ecosystem is built on. Not a mod so much as a prerequisite.

Opens the game's BSA and BA2 archives so you can look inside, preview textures and sounds, and extract exactly the file you need.