Developer Tools
6 projects
Atom
Killed by an editor built on the framework it invented
2014–2022
Developer Tools
CodePlex
Microsoft's open source home, closed because GitHub won
2006–2017
Developer Tools
Firebug
Gave every browser the F12 key, then merged into them
2006–2017
Developer Tools
Parse
500,000 apps had their back end switched off
2011–2017
Developer Tools
Yahoo! Pipes
Visual programming for the web, twelve years before it was fashionable
2007–2015
Developer Tools
Google Gears
Made the web work offline, then handed the idea to HTML5
2007–2011
Developer Tools