Here you will find a directory of free, libre and open source software for the RedHat platform. Schools and educators may find open educational resources in the form of RedHat software that is useful in the classroom.

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TiMidity++ is a software synthesizer. It can play MIDI files by converting them into PCM waveform data; give it a MIDI data along with digital instrument data files, then it synthesizes them in real-time, and plays. It can not only play sounds, but also can save the generated waveforms into hard disks as various audio file formats. You can easily convert midi files to formats such as wave or flac. It can also display Karaoke midi lyrics. It can show which keys are playing via graphical piano keyboard display. Provides support for midi playback through software for computer systems that may not have midi hardware support. Also plays MOD files.

If you're using the Karaoke midi features to display lyrics, the xaw3d version has the best support for lyrics timing. If you're building from scratch or your distribution has built Timidity++ for you, make sure you are working with the latest patches from cvs if you want proper lyrics display (and many other fixes). The tarball at the Sourceforge site hasn't been updated since 2004. However, cvs is being actively updated. There is an updated cvs version pre-built for Windows at Sourceforge.

If you need FLOSS licensed instrument sounds for use with Timidity, check out the FreePats project and their soundfonts at Most Linux and BSD distributions offer a FreePats package with some of their sounds (soundsfonts and gus patches).

If you need help setting up the soundfonts configuration files, see This is basically a site for Windows users, but many of the techniques are useable cross-platform. The soundfont configurator at that site can be used for POSIX compliant systems as well. Just change the directory paths to suite your operating system.


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SciTE is a SCIntilla based Text Editor. It's supports UTF-8, ASCII text and latest versions support UTF-16. It can be extended with Lua scripts. It supports computer language highlighting, folding, displaying APIs for languages, templates, shelling out to run compilers and other applications (such as spell-checkers or file difference utilities). Can export files as HTML, RTF, PDF, Latex and XML with other formats such as ODT supported through LUA. Includes many features useful for program, web page and text editing.


Full Description: 

LyX is a document processor that encourages an approach to writing based on the structure of your documents (WYSIWYM) and not simply their appearance (WYSIWYG).
LyX combines the power and flexibility of TeX/LaTeX with the ease of use of a graphical interface. This results in world-class support for creation of mathematical content (via a fully integrated equation editor) and structured documents like academic articles, theses, and books. In addition, staples of scientific authoring such as reference list and index creation come standard. But you can also use LyX to create a letter or a novel or a theatre play or film script. A broad array of ready, well-designed document layouts are built in.
LyX is for people who want their writing to look great, right out of the box. No more endless tinkering with formatting details, “finger painting” font attributes or futzing around with page boundaries. You just write. On screen, LyX looks like any word processor; its printed output — or richly cross-referenced PDF, just as readily produced — looks like nothing else.


Full Description: 

Sylpheed is a lightweight, but secure e-mail client. It also supports access to Usenet Newsgroups. Sylpheed provides an intuitive user-interface. Sylpheed provides a GUI interface but is also designed for keyboard-oriented operation, so Sylpheed can be widely used by beginners to power users. Sylpheed emphasizes text based e-mails for better security and can even integrate with your favorite text editor if you'd prefer to use it to compose e-mails.
The Slypheed project also includes Sylph-Searcher, a separate fast, full-text search facility and LibSylph a library with Sylpheed's core features.
Sylpheed is a free software distributed under the GNU GPL (the library part is GNU LGPL). You can freely use, modify and redistribute it under the license. Sylpheed runs on many systems such as Windows, Linux, BSD, Mac OS X and other Unix-like systems.


Full Description: 

Workrave is a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI). The program frequently alerts you to take micro-pauses, rest breaks and restricts you to your daily limit. Please refer to the feature comparison for a complete list of features, and how the program performs with respect to other programs on the market. Also displays exercises you can do during breaks.

Windows portable apps version available at:

Virtual Magnifying Glass

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Virtual Magnifying Glass is a full-featured screen magnifying glass that allows you to zoom in on an area of the screen for better readability. It's also handy for design work.


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mtPaint is a painting program which Mark Tyler developed from scratch so he could easily create pixel art and manipulate digital photos. Includes support for taking screenshots and creating animated GIFs. Good lightweight alternative to Gimp. It can work with PNG, JPEG, GIF, TIFF, BMP, TGA, XPM and XBM and other graphics files.

There's also a lighter fork rgbPaint at . At the beginning of January 2007 Mark Tyler decided to fork version 3.09 of mtPaint to see how easy it would be to create a very basic painting program which could run on the One Laptop Per Child Sugar system. rgbPaint is much simpler than mtPaint, with no menus for example. It is only able to edit and save RGB images.


Full Description: 

GrafX2 is a bitmap paint program inspired by the Amiga programs Deluxe Paint and Brilliance. Specialized in 256-color drawing, it includes a very large number of tools and effects that make it particularly suitable for pixel art, game graphics, and generally any detailed graphics painted with a mouse. The program is mostly developed on Linux and Windows, but is also portable on many other platforms.


Full Description: 

Will allow you to run DOS software on your machine. Keep your legacy DOS software working even on modern operating systems. Emulates a DOS system including some Soundblaster support for DOS music programs. Has ability to slow down programs that were designed for older systems. Windows 7 users who still want to run DOS programs full screen, this is the way to do it.


Full Description: 

KompoZer is a complete web authoring system that combines web file management and easy-to-use WYSIWYG web page editing. KompoZer is designed to be extremely easy to use, making it ideal for non-technical computer users who want to create an attractive, professional-looking web site without needing to know HTML or web coding.

KompoZer is a fork of Nvu. It is an easy-to-use web editor similar to Microsoft Frontpage or Dreamweaver. It is based on the same Gecko engine that powers Firefox and Thunderbird and features an FTP site manager, color picker, tabbed interface, CSS editing, standard-compliant markup, fully customizable interface, a built-in spellchecker and more.

Windows portableapps version available at:

MPL 1.1 / GPL 2.0 / LGPL 2.1


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