Apps with 'Extensive customisability' feature
QTTabBar is an extension for Windows Explorer that brings tabbed browsing to Microsoft's file browser.
REAPER is a complete digital audio production application for Windows, Mac and Linux, offering a full multi-track audio and MIDI recording, editing, processing, mixing and...
Extensible, keyboard-oriented web-browser for power users.
Tribe is a fully customizable and white-label community platform, empowering the new generation of online communities.