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Lazarus

The professional Free Pascal RAD IDE

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

Version 1.6.4 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 Candidate 3 of 1.8 - July 01, 2017, 01:25:03 am

The Lazarus team is glad to announce the third release candidate of Lazarus 1.8. This release was built with FPC 3.0.2. The previous release...

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Please vote for Lazarus on Sourceforge's "project of the month" - June 25, 2017, 01:03:39 pm

Lazarus has been chosen by Sourceforge Quote“Community Choice” Project of the Month Vote – August 2017see https...

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Lazarus Release Candidate 2 of 1.8 - June 06, 2017, 11:48:54 pm

The Lazarus team is glad to announce the second release candidate of Lazarus 1.8. This release was built with FPC 3.0.2. The previous...

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Lazarus Release Candidate 1 of 1.8 - May 17, 2017, 03:43:52 pm

The Lazarus team is glad to announce the first release candidate of Lazarus 1.8. This release was built with FPC 3.0.2. The previous...

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More Announcements...

Random Project

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

gdvdslides allows you to create a video from a set of video clips, JPEG image files and audio files. It supports slide transitions, title slides, background images and multiple audio tracks,cropping, effects etc. Visit project homepage

Tip of the day:

Use the leak viewer to find and fix memory leaks. Hint: You need to enable Heaptrc in the project options