Tux Paint is a simple and entertaining drawing program geared towards young children. It has a simple interface, sound effects, and a cartoon character (Tux, the Linux penguin). Along with drawing brush strokes, lines and shapes, you can also enter text and place "rubber stamp" (or "sticker") images on the picture. Tux Paint is extensible, and could be useful in an educational environment (such as a grammar, elementary, or grade school). It's portable across numerous platforms, and runs well even on slower systems like the Pentium 133MHz.
Thunderbird is a total redesign of the Mozilla mail component to produce a cross-platform, stand-alone mail application using the XUL user interface language. It has many new features, among them the ability to customize your toolbars the way you want them. a new look and feel with a large number of downloadable themes which alter the appearance of the client, and the ability to add UI extensions.
Magnolia is a CMS which delivers smartphone simplicity on an enterprise scale. The mobile-inspired HTML5 user interface works through customisable, task-focused Apps, a notification stream called the Pulse, and a system of Favorites for quickly accessing the workspace. Magnolia allows organizations to orchestrate online services, sales, and marketing across all digital channels, maximizing the impact of every touchpoint. Magnolia’s Open Source technology, support of open standards such as CMIS and JCR, and integration with the Spring Framework enable developers to unlock backend systems and third-party applications. Magnolia is used in more than 100 countries across the world by governments and leading FORTUNE 500 enterprises.
MuseScore lets you notate and compose music easily with your keyboard, your mouse, or a MIDI keyboard. You can print beautifully engraved sheet music or export it as PDF or PNG. You can play your score, transpose it, and save it as audio or MIDI file. MuseScore also supports MusicXML to let you share your composition with other scorewriters. MuseScore is often advertised as a cost effective alternative for Sibelius and Finale.
ezmlm-idx is an addition and patch to ezmlm, adding multi-message threaded archive retrieval, digests, remote administration, message and subscription moderation, subscriber-only restrictions, message trailer, subject prefix, subscriber name storage, customizable setup, multi-language and MIME support, and more. In addition, it has improved bounce handling, case-insensitive subscriber address storage, and support for distributed lists (main and sublist are transparent to the subscriber). It can be compiled with MySQL or PostgreSQL support.