Lazarus

Lazarus is a cross-platform IDE for the Free Pascal compiler.

Free Open Source Mac OS X Windows Linux BSD OpenSolaris

Delphi

Embarcadero Delphi, formerly CodeGear Delphi and Borland Delphi, is a software development environment for Microsoft Windows applications originally developed by Borland and now owned and developed by Embarcadero Technologies.

Commercial Windows

Free Pascal

Free Pascal (aka FPK Pascal) is a 32 and 64 bit professional Pascal compiler. It is available for different processors: Intel x86, Amd64/x86_64, PowerPC, PowerPC64, Sparc, ARM.

Free Open Source Mac OS X Windows Linux BSD Haiku Windows Mobile AmigaOS AROS

CodeTyphon

CodeTyphon is a fork/distribution of Lazarus with thousands of Lazarus/Free Pascal components bundled into distribution and with own Lazarus expansion features.

Free Open Source Windows Linux BSD

PascalABC.NET

The new generation Pascal programming language that combines simplicity of classic Pascal, a great number of modern extensions and broad capabilities of Microsoft .NET...

Free Windows

PocketStudio

PocketStudio is a combination of a 32-bit Pascal compiler and an adaptable integrated development environment that allows easy development of apps for Palm OS, Garnet OS...

Commercial Windows

GNU Pascal

The GNU Pascal Compiler (GPC) is, as the name says, the Pascal compiler of the GNU family,

Free Open Source Mac OS X Windows Linux BSD

Dev-Pascal

[DISCONTINUED] Dev-Pascal is a full-featured integrated development environment (IDE), which is able to create Windows or console-based Pascal programs using the Free...

Free Open Source Windows