ClickHeat : ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones. ClickHeat is an OpenSource software, released under GPL lice...
YunoHost : YunoHost is a server operating system aiming to make self-hosting accessible to everyone.
Origami Studio : Origami is a free tool for designing modern user interfaces.
Arora : Arora is a lightweight cross-platform web browser. It's free (as in free speech and free beer). Arora runs on Linux, embedded Linux, FreeBSD, Mac OS X...
Pattern Tap : Organized Web Design Collection of User Interfaces for Inspiration and Ideas. The CSS Gallery Alternative
Wireframing, mockups and prototyping for websites and applications