DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.
TiddlyWiki - a non-linear personal web notebook
Rulingo - Translation workflow automation solution
Scribbleton - The little personal wiki.
SDL Trados Studio - SDL Trados Studio is the complete translation environment for language professionals who want to edit, review and manage translation projects.