Maqetta : Maqetta is an open source project that provides WYSIWYG visual authoring of HTML5 user interfaces. The Maqetta application itself is authored in HTML,...
Online javascript beautifier : Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.
RegExr : RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
SQLFormat is a free online formatter for SQL statements.
