Ranked in these QuestionsQuestion Ranking
Pro Free and open source
Pro Available in standalone and Eclipse plugin versions
Aptana Studio has standalone (130.7 MB for Windows) and Eclipse-plugin versions.
Pro HTML5-aware code assist
Aptana's code assist displays which tags are supported by which browsers.
Pro Support for web projects
Pro Built-in terminal
Has a built-in terminal emulator from which you can run commands.
Pro Git integration
Aptana provides integrated support for Git to make collaboration and version control easier.