Rapid applications development tool and libraries for FPC
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.
CrixerSoft InstallSphex Compiler is a professional Cross-Plattaform and Open Source for the development of Installers Developed in Lazarus, Supports Win32 only for now.