Aptana is available for free under the GPL license with source code available on [GitHub](https://github.com/aptana).
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Pro Built-in beautifier
The beautifier formats code as you type to help improve readability and consistency.
Pro Integrated debuggers for multiple languages
Integrated debuggers for GNU C++, Java, Python, Perl, Ruby, and PHP.
Pro Compiler tools
Pro Third party tool integration
Pro Symbol analysis support
There are powerful symbol analysis features in SlickEdit, including context tagging and references.
Pro Extensive support for programming languages
SlickEdit supports over 50 programming languages on nine platforms.
Pro Over 13 emulations
Pro Easy access to XCode projects
SlickEdit opens XCode projects with no conversions needed.
Pro Easy access to Visual Studio workspace
SlickEdit opens Visual Studio workspace with no conversions needed.
Pro Popular version control system
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.