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Lazarus

The professional Free Pascal RAD IDE

Cross platform
Drag & Drop Form Designer
Open source (GPL/LGPL)
Delphi converter

Version 2.2.6 for

What is Lazarus?

Lazarus is a Delphi compatible cross-platform IDE for Rapid Application Development. It has variety of components ready for use and a graphical form designer to easily create complex graphical user interfaces.

Learn more... Wikipedia

What can it do?

You can create your own open source or commercial applications. With Lazarus you can create file browsers, image viewers, database applications, graphics editing software, games, 3D software, medical analysis software or any other type of software.

See Application Gallery Why use it?

Where to learn?

Lazarus has a huge community of people supporting each other. It include scientists and students, pupils and teachers, professionals and hobbyists. Our wiki provides tutorials, documentation and ideas. Our forums and mailing-list offer a space to ask questions and talk to users and the developers.

Start Learning Books | Online Tutorials

Recent Announcements

Lazarus Release Candidate 2 of 3.0 - October 16, 2023, 11:19:47 am

The Lazarus team is glad to announce the second release candidate of Lazarus 3.0. This release was built with FPC 3.2.2. Here is...

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Configurable Highlighter support (textmate grammar) -- Testers needed - September 12, 2023, 12:49:09 pm

The IDE can now load highlighter definition files containing textmate grammar. (mostly). EDIT: IDE => Lazarus 3.99 There are some ...

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Lazarus Release Candidate 1 of 3.0 - July 03, 2023, 02:10:30 pm

The Lazarus team is glad to announce the first release candidate of Lazarus 3.0. This release was built with FPC 3.2.2. Here is the list...

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Testers needed: FpDebug and ModeSwitch AutoDeref - June 08, 2023, 03:27:07 pm

Under Tools > Debugger > Debugger Backend: When FpDebug is selected, there is now an option "AutoDeref" (in the properties grid). The option is OFF by defa...

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More Announcements...

Shop

A new lazarus handbook is released.

The Free Pascal and Lazarus foundation will receive 50% of the profits

Lazarus book The book is all about Lazarus and FPC necessities. It is printed in 2 volumes with a total of 935 pages.
Visit the Blaise Pascal shop

Tip of the day

Use the code macro "OfAll" and let the IDE write your case statements for enum values