Aptana is available for free under the GPL license with source code available on [GitHub](https://github.com/aptana).
Ranked in these QuestionsQuestion Ranking
Pro Very expressive
Kakoune provides a very expressive set of commands, including various objects selection (paragraph, blocks, words), alignment support, conditional selection filtering...
This set of command is expressive enough to implement all the provided auto indentation logic.
Pro Will be familiar to vim users
Kakoune first started as a rewrite from scratch of vim, but then ended up being another text editor altogether. So it's inspired in a lot of ways from vim.
Pro Text selection mechanism
Kakoune works on selections, which are oriented, inclusive range of characters, selections have an anchor and a cursor character. Most commands move both of them, except when extending selection where the anchor character stays fixed and the cursor one moves around.
Pro Actively developed and supported
Pro More modern than vim
Pro Good UNIX citizen
It follows the UNIX philosophy by doing one thing well (text editing) and interfaces nicely with other CLI tools.
Pro Free and open source
Aptana is available for free under the GPL license with source code available on GitHub.
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.
Con Lack of options/ability to customize
The ability to customize Kakoune are currently quite limited. Everything is hard coded, and there is a lack of options to choose from.