Langui.net

Free
Access the most frequently used SVN features via the Finder context menu.
Free
It offers a fast way to write and test your HTML, CSS, and JavaScript code.
Free
Open a terminal window quickly and easily with New Terminal Here.
Free
Perl Runner is a handy tool for learning Perl and running Perl script.
Free
App to scan and check CSS codes for syntax/performance/style issues.
Free
Git Status adds visual feedback to Git repositories in Finder, tracking changes from any Git client.
Free
JSLint checks JavaScript source code for syntax/performance issues and shows messages with approximate locations of any problems found.
Free
NewTerminalHere adds a "New Terminal Here" and "New Terminal Tab Here" menu item to Finder context menus...
Free
JS Runner allows you to write and run the JavaScript or HTML code.
Free
Open WebP files, a specialized format for images on the web.
Free
Favicon Creator is an application that allows you to create icons.
Free
ePub Reader is a handy ePub (electronic publication) document and ebook reader.
Free
Icon Converter allows you to create ICNS icon from any image.