Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, FreeBSD, OS/2, Game Boy Advance, Nintendo NDS and DOS; semantically compatible with Delphi, Borland Pascal and Mac Pascal (partially) with extra features, e.g. operator overloading.
LifeLines is a genealogy program to help with your family history research. Its primarily strengths are its powerful scripting language and the ability easily import and export information in the GEDCOM format.
Agena is an interpreted procedural programming language.
Agena is a new easy-to-learn procedural programming language suited to be used in scientific, mathematical, scripting, networking, and many other applications. Binaries are available for Solaris, Windows, Linux, OS/2, Mac OS X, Raspberry Pi and DOS.
gema is a general purpose text processing utility based on the concept of pattern matching. It reads an input file and copies it to an output file transforming the data as specified by the patterns defined by the user.
basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.
Fortune displays random text messages that are intended to be fun. It uses the original fortune-mod text database, but has a user-friendly interface. You can download versions for Dos, Windows, Linux and a Java-version for any OS.
A small and easy to use framebuffer graphics library
NedoPC SDK is a set of development cross-tools (compilers/emulators) to develop system and user software (and hardware) for some old home minicomputers and new "homebrew" hobbyist-friendly computers (including development of that kind of computers)
This is a group of makefile scripts and templates that helps the developer and end-user to configure, update, and build Allegro/AllegroGL/etc projects, on many platforms, and with different compilers, in a easy way (just type "make" and it will work).
KewlWrite is a word processing program built for Linux and other systems that has a much wider variety of document setups than other text programs. For example, with KewlWrite, you can code an RSS page or write a page in PHP.
NATIVE is a project aimed at producing a version of the C# language compiler which omits native-code for various OS platforms. NATIVE does not target the CLI or use the CLR.
An open-source cross-platform compiler for the Savage Innovations OOPic microcontroller.
The UniXML library is intended to be an extremely portable XML DOM parser library, completely OS and C compiler independent.