Open Source Object Pascal Software Development Software for Windows

The Lazarus IDE is a stable and feature rich visual programming environment for the FreePascal Compiler. It supports the creation of self-standing graphical and console applications and runs on Linux, FreeBSD, MacOSX and Windows.

A 32/64/16-bit Pascal compiler for Win32/64/CE, Linux, Mac OS X/iOS, Android, 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.

JVCL is a library of over 600 Delphi components developed by "Project JEDI" members.

Abbrevia is a compression toolkit for Delphi, C++Builder, Kylix, and Free Pascal. It supports compressing and decompressing PKZIP, Microsoft CAB, tar, gzip, and bzip2 archives, and can create self-extracting executables. On Windows it also provides Delphi wrappers for the LZMA, Bzip2, and WavPack SDKs, and PPMd decompression. Abbrevia also has several visual controls that simplify displaying and manipulating archives, including treeview and listview components.

Lazarus Pascal Codeschnippsel. Nuetzlicher Code (LazSnippets) und HowTo (LazInfos) fuer Anfaenger und Programmierer in Deutsch. Lazarus Pascal Snippets (LazSnippets). Some useful information (LazInfos) for beginning and some usefull code for programmers

Delphi.NET is a collection of Open Source tools and code components that enable Borland Delphi (version 5 or higher) to communicate with the Microsoft .NET-Framework.

Automatic generation of documentation on Delphi projects from source code. Distinctive features are exact parsing gathering lots of information and a division of the parser and configurable generators (HTML, Win- & HTML-Help, PDF, LaTeX, XMI export)

This is a set of native Delphi VCL Components original written by Breuer Elektronik. We have decided to make them open source now.

“JEDI Math” is a free mathematical library developed under the MPL for Delphi, Kylix, FPC and Lazarus. The library provides routines for matrices/vectors, regression, geometry, physics, equation rendering and raytracing among others.

HTML-Editor für provessionelle Webseiten-Erstellung; trennt Inhalt und Design, sodass jede Seite auf Wunsch automatisch in mehreren Designs dargestellt werden kann.

This little tool is an interpreter for math formulars on commandline. Some example scripts for linux are provided.

Elysion Frameworks are a powerful, yet leightweight cross-platform multimedia library to help create games or graphical applications. The frameworks are splitted in three branches: ElysionKronos, ElysionLegacy and ElysionMobile.

TBigNum is a new number type for Delphi and Pascal. TBigNum can handle with over 2 millions digits, supports commas/points, all number systems of 2-255 and most types of calculation (addition, subtraction, multiplication, division, exponents and roots).

The UniXML library is intended to be an extremely portable XML DOM parser library, completely OS and C compiler independent.

cy.prus is a cross platform simulation environment for medical cybernetics and systems biology. Its purpose is to provide both a facility for simulating life and a GUI for easily constructing biological information processing structures based on XML.