Debian is best known for its upgradability. Users can upgrade individual packages or entire systems when they become available without having to reformat and reinstall.
An interactive geometry viewing program. It can be used as a standalone viewer for static objects or as a display engine for other programs which produce dynamically changing geometry.
Some Commercial, MatLab Alike, Mathematics and Statistics, Signal and Image Processing, Finite or Boundary Element, Numerical Analysis, CAD, Graph and Visulization, Plotting, Word Processing or Typesetting, X-Window GUI Builder, Misc and Others...
While Postgres95 retains the powerful data model and rich data types of POSTGRES, it replaces PostQuel with an extended subset of the intergalactic dataspeak, SQL. It is free and the complete source is available.
FlagShip is a superset of Clipper 5.x and Dbase III for Unix. FlagShip is source code compatible with CA/Clipper 5.x, FoxBase 2.x (With FoxKit), and Dbase III. Very fast.
LyX combines the comfortable usage of a WYSIWYG-wordprocessor with the high quality of LaTeX. LyX is easier to use than a losedows-wordprocessor and produces a *MUCH* nicer output. You can edit much larger texts on a small PC than with commercial WPs under another well known Operating Systems.
Linuxdoc-SGML is a text-formatting package based on SGML, which allows you to produce LaTeX, HTML, texinfo, and plain ASCII (via groff) from a single source.
A structure editor that acts as a quasi-WYSIWYG interface to ascii mark-up languages. It is particularly oriented to the creation of (La)TeX documents but can also be used for writing html, troff or whatever.
Python is an interpreted object-oriented programming language, and is often compared to Tcl, Perl or Scheme. It can function as a scripting/extension language, as a rapid prototyping language, and as a serious software development language.
Executive Tools' port of the Common Desktop Environment (CDE) for Linux. CDE is a graphical user interface and application toolbox that is or will soon be provided by major UNIX system vendors, including DEC, IBM, HP, Sun and others.
The award-winning spreadsheet. For Linux is being released as shareware, with the same power and functionality as its commercial stablemates on other platforms.