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Lazarus

The professional Free Pascal RAD IDE

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

Version 1.8.4 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, documentations 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 1.8.4 (with FPC 3.0.4) - May 22, 2018, 11:39:03 pm

The Lazarus team is glad to announce the release of Lazarus 1.8.4. This is a bugfix release. The release was built with FPC 3.0.4. Here...

Learn more...

Lazarus Release 1.8.2 (with FPC 3.0.4) - February 28, 2018, 04:02:23 pm

The Lazarus team is glad to announce the release of Lazarus 1.8.2. This is a bugfix release. The release was built with FPC 3.0.4. Here...

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Lazarus Release 1.8 (with FPC 3.0.4) - December 06, 2017, 11:10:46 pm

The Lazarus team is glad to announce the release of Lazarus 1.8. The release was built with FPC 3.0.4. The previous release Lazarus 1.6.4 was...

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Lazarus Release Candidate 5 of 1.8 (includes RC1 fpc 3.0.4) - October 13, 2017, 08:23:37 pm

The Lazarus team is glad to announce the fifth release candidate of Lazarus 1.8. The Windows release was built with FPC 3.0.4 final svn version, the...

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More Announcements...

Random Project

from our showcase .
This is an example of what can be done with Lazarus

KSP Sound Player KSP is relatively new audio player that already supports almost all features any modern powerful player has to support. However KSP is still player easy in use and intuitive, something that you can call really user oriented. Visit project homepage

Tip of the day:

Highlight important words in your code, using the "user defined markup" from the editor options.