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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.

Project Samples

Lazarus IDE 2.1 running under Linux/gtk2

Project Activity

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Categories

Integrated Development Environments (IDE), Build Tools, Code Generators, Debuggers

License

GNU Library or Lesser General Public License version 2.0 (LGPLv2)

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Lazarus Web Site

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User Ratings

4.8 out of 5 stars
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User Reviews

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  • masterwok Posted 2025-11-19
    Nice program, Easy to use
  • gitnerdpuerta Posted 2025-09-24
    One of the best on its field!
  • giturox Posted 2025-08-30
    Lazarus is an excellent ide for the powerful modern language FreePascal (FPC). Pascal is both easy to write and hase good performance. Freepascal has through the years added the very useful generics, managed variable arrays, extended records, interfaces etc. With version 4 of the IDE, the developers have enabled a docked approach and made it stable. The editor syntax completion feature is really amazing and better than most of the stuff i have tried for Rust. (BTW: rust and pascal share so many features, but i personally think Pascal has a so much better syntax than Rust. But of course your mileage may vary). This is my fourth decade coding in Pascal and the language just keeps getting better without sacrificing simplicity. Keep up the amazing work!
  • ericktux Posted 2025-05-11
    uno de los mejores IDE que existen, larga vida a lazarus, saludos de Perú. visiten mi web "ericksystem.com" todos los programas hechos con lazarus pascal
  • ravke001 Edited 2025-03-26
    Very good program language! I made several program's with it! You can find Srt Editor here on Sourceforge and it was made with Lazarus.
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Additional Project Details

Awards

Operating Systems

BSD, Fink, FreeBSD, Linux, Mac, NetBSD, OpenBSD, Windows, Windows IoT

Languages

Brazilian Portuguese, Chinese (Simplified), Dutch, English, Finnish, French, German, Indonesian, Italian, Japanese, Polish, Russian, Spanish, Ukrainian

Intended Audience

Developers, Education

User Interface

Carbon (Mac OS X), Win32 (MS Windows), X Window System (X11)

Programming Language

Delphi/Kylix, Free Pascal, Lazarus, Object Pascal, Pascal

Related Categories

Pascal Integrated Development Environments (IDE), Pascal Build Tools, Pascal Code Generators, Pascal Debuggers, Delphi/Kylix Integrated Development Environments (IDE), Delphi/Kylix Build Tools, Delphi/Kylix Code Generators, Delphi/Kylix Debuggers, Object Pascal Integrated Development Environments (IDE), Object Pascal Build Tools, Object Pascal Code Generators, Object Pascal Debuggers, Lazarus Integrated Development Environments (IDE), Lazarus Build Tools, Lazarus Code Generators, Lazarus Debuggers, Free Pascal Integrated Development Environments (IDE), Free Pascal Build Tools, Free Pascal Code Generators, Free Pascal Debuggers

Registered

2003-09-03
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