Topstyle - TopStyle contains powerful tools for building standards-compliant web sites.
Reverse Dictionary - Describe a concept and get back a list of words
Stylizer - A productivity-focused real-time CSS editor for serious web developers. Mac OS X and Windows.
Writefull Thesaurus - A Google Docs add-on that uses AI to give you synonyms
EnjoyCSS - CSS generator for rich graphical styles without coding
Dictionary Anywhere - Dictionary Anywhere is an open-source and easy-to-use browser extension for Mozilla Firefox and Google Chrome that allows you to check definitions easily while browsing the web.