Audible TTS reads text aloud from other apps, the clipboard, or from text files. It can get text from applications such as Feedme or K9-Mail, the clipboard (using Copy and Paste), or from files on the MicroSD card. It also reads each sentence using the proper language and voice in mixed texts, without having to select it manually. You must have installed a voice synthesizer (such as PICO or SVOX) and voices for the languages to be used. It currently supports German, English, Spanish, French, Italian, Dutch, Polish, Portuguese, Turkish, Russian, Arabic, Korean, Chinese, and Japanese.
Basenji is an indexing and search tool designed for easy and fast indexing of media collections. Once indexed, removable media such as CDs and USB sticks can be browsed and searched for specific files very quickly, without actually being connected to the computer. Besides file hierarchies and audio track listings, Basenji also presents extracted metadata (image dimensions, mp3 tags etc.) and content previews of indexed media in a clean and straightforward user interface.
BleachBit deletes junk to recover disk space and maintain privacy. It rids your system of old junk including cache, Internet history, temporary files, unused locale files (better than localepurge), logs, and cookies. Designed for Linux systems, it wipes clean 50 applications including Adobe Reader, Bash, Firefox, Flash, OpenOffice.org, Opera, Real Player, Skype, and more. It shreds files so that they cannot be recovered, and it wipes free disk space to hide insecurely deleted files. It offers both a simple PyGTK GUI and a command line interface for automation.
DAViCal is a server implementation of the CalDAV protocol for storing calendaring resources (in iCalendar format) on a remote shared server. An increasing number of calendar clients support the maintenance of shared remote calendars through CalDAV including Mozilla Calendar (Sunbird/Lightning), Evolution, Mulberry, Chandler, and various other closed-source products such as Apple's iCal and iPhone. DAViCal supports basic delegation of read/write access among calendar users, multiple users or clients reading and writing the same calendar entries over time, and scheduling of meetings with free/busy time displayed.
DoudouLinux is a system specially designed for children 2 years and up. It is available as Live CDs and USB keys as well as ARM images. The main goals are to be as easy to use as a game console, provide as many kid-oriented applications as possible (currently around 50), drive small children into mastering computer use from age 2, be natively in child-friendly language without any action, be simple for Dad and Mom too (no administration, no updates; it’s a read-only system). It includes Web content filtering.
Dr. Higgins will teach you and help you teach yourself any language. It works like a quiz, asking you the translations of words and keeping score of your correctness. It includes a number of quizzes for self-study in different languages (English, Spanish, Finnish, and a bit of Japanese). It's very easy to add your own lists, thanks to a simple file format.