repasa is a set of three kind of tools: For creation of contents directly in the XML format of repasa or in other file formats (DocBook and LaTeX) following some conventions, for checking the contents, and for studying the contents and registering progress. The contents can be specified with definitions, classifications for the definitions (possibly along with exercises), and sequences of study. It is especially well suited to organize information according to the current legislation for education in schools of Colombia.
Absolut Engine is a PHP/MySQL framework built on the basis of a former news publishing system. It features 3 layer access, article posting, editing, and deleting. Included are a basic image and file manager as well as a related articles manager. Rich text editing is provided via a built-in WYSIWYG editor that produces XHTML 1.0 Strict compliant code. It is easy to extend via the module functionality. It is fully configurable and easy-to-use. Modules include discussions, surveys, RSS feed export and import, search engine optimization, a messaging system, weather reports, and Google Maps.
rsyncbackup is a handy tool for scheduled backups using rsync. rsyncbackup lets you easily setup multiple source folders and destinations, both locally, on your iPod or external firewire disk, or at a remote destination using ssh. rsyncbackup has no GUI, but is based on editing configuration files. The script is meant to be run in a crontab, so user interaction is not neccesary. Basic terminal skills are required to use the program.
FreePlot is a simple mathematical program that plots 2D functions written in Python. It provides an easy-to-use interface and a powerful graphing mechanism that allows the user to understand what she is doing at all times. FreePlot features out-of-the-box multiplatform support for GNU/Linux, BSD, Win32, and MacOS. Functions can be saved to an image file. An unlimited number of functions can be used on the same cartesian plane. Multiple colors, multiple line styles and marks, and legends are supported.