PUBLIC MARKS from parmentierf with tags xul & free

The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use. Top features: * Built-in stencils for diagraming and prototyping * Multi-page document with background page * On-screen text editing with rich-text supports * PNG rasterizing * Undo/redo supports * Installing user-defined stencils * Standard drawing operations: aligning, z-ordering, scaling, rotating... * Cross-platforms * Adding external objects * And much more... Pencil will always be free as it is released under the GPL version 2 and is available for virtually all platforms that Firefox 3 can run. The first version of Pencil is tested against GNU/Linux 2.6 with GTK , Windows XP and Windows Vista.

Instantbird is a multi-protocol Instant Messaging client. Using it, you can connect to all your different IM accounts. It uses the Mozilla rendering engine to display IMs, and the Pidgin libpurple to connect to the different networks. Instantbird is a free and open source software. So you are free to use, distribute and modify it.