Open Source Lazarus Software Development Software
Sort By:
Lazarus Software Development Software
View 5901 business solutionsBrowse free open source Lazarus Software Development Software and projects below. Use the toggles on the left to filter open source Lazarus Software Development Software by OS, license, language, programming language, and project status.
-
Run Any Workload on Compute Engine VMsCompute Engine delivers high-performance virtual machines for web apps, databases, containers, and AI workloads. Choose from general-purpose, compute-optimized, or GPU/TPU-accelerated machine types—or build custom VMs to match your exact specs. With live migration and automatic failover, your workloads stay online. New customers get $300 in free credits.
-
MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
-
1
Lazarus
Rapid applications development tool and libraries for FPC
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. -
2
ZeosLib
Database components for Delphi, FreePascal/Lazarus, Kylix, C++ Builder
Note: Delphi NextGen support (Android, iOS, OS X,) has been added the Zeos 8.0 development version. Supported compilers start with Delphi XE 10.2 Tokyo. For problems please contact us in the forums on https://zeoslib.sourceforge.io. The ZeosLib is a set of database components for MySQL, MariaDB, PostgreSQL, Interbase, Firebird, MS SQL Server, SAP Adaptive Server Enterprise and Adaptive Server Anywhere (previously Sybase), Oracle and SQLite for Delphi, FreePascal/Lazarus and C++ Builder. -
3
zDevStudio is an open source cross-platform IDE based on Pasmo compiler designed to help coders and retrocoders to develop software for Zilog Z80 8 bit CPU.
-
4
Paleta de Componentes para as Linguagens Delphi e Lazarus, compatível com Windows e Linux, que permite acesso direto a equipamentos de Automação Comercial, sem DLL's, interagindo com eles direto na porta serial.
-
Build AI Apps with Gemini 3 on Vertex AIVertex AI gives developers access to Gemini 3—Google’s most advanced reasoning and coding model—plus 200+ foundation models including Claude, Llama, and Gemma. Build generative AI apps with Vertex AI Studio, customize with fine-tuning, and deploy to production with enterprise-grade MLOps. New customers get $300 in free credits.
-
5
We are developing a set of Delphi components to communicate with a ModBus PLC over TCP/IP. The library provides components to implement both a ModBus master and a Modbus slave, and is based on the Indy component set (both Indy 9 and 10 are supported) De source code of the project has been moved to GitHub!
-
6
Graphics32 is a graphics library for Delphi and Lazarus. Optimized for 32-bit pixel formats, it provides fast operations with pixels and graphic primitives. In most cases Graphics32 considerably outperforms the standard TBitmap/TCanvas methods.
-
7
Allegro.pas
Game library for Pascal
Allegro.pas is a wrapper to use the Allegro Game Library with Pascal compilers (Delphi, Free Pascal, etc). Allegro is a cross-platform library intended for use in computer games and other types of multimedia programming. * Graphics: 2D and 3D, OpenGL and D3D. * Controls: Keyboard, mouse, joystick, gamepad... * Sound and music. -
8
NSBase
NSBase is a database management system.
NSBase is a database management system. NSBase use SQLite, Firefird, Interbase, MariaDB, Mysql, Postgresql, Sybase It allows to quickly build complete database applications. Its modern interface is simple and ergonomic. Its scripting in LUA makes it possible to dynamize your applications. It is a rapid development workshop (IDE / RAD) visual type (sqlite form generator). It is a real alternative to MSAccess, kexi and other. Import your database : Text files, MS Access (MDB File), SQLite and Kexi Build your applications quickly, thanks to integrated wizards It can create stand-alone applications without specific installation, it generates an exe file under windows quickly and easily (or the equivalent under linux) -
9
VCLua
VCLua is a LCL/VCL based GUI library for LUA
VCLua is a toolkit library for building graphical user interfaces. VCLua allows a program to be executed on different os systems without any modification. VCLua can be compiled with the Free Pascal based Lazarus compiler into one easy portable file. To use VCLua you'll need only the Lua script interpreter. VCLua currently tested on Windows and Linux. -
Managed MySQL, PostgreSQL, and SQL Databases on Google CloudCloud SQL is a fully managed relational database for MySQL, PostgreSQL, and SQL Server. We handle patching, backups, replication, encryption, and failover—so you can focus on your app. Migrate from on-prem or other clouds with free Database Migration Service. IDC found customers achieved 246% ROI. New customers get $300 in credits plus a 30-day free trial.
-
10
PdfgrepGui
This is a simple GUI for the command line tool grep and pdfgrep
THIS PROJECT HAS MOVED TO: https://sourceforge.net/projects/documentgrep/ This program is a GUI for the command line tool grep and pdfgrep. Pdfgrep search text in multiple PDF files and grep can serach text in multiple text files. You can use regular expressions for the search (https://en.wikipedia.org/wiki/Regular_expression). This GUI and the command line tools work without indexing. The following options are used: -i (ignore case) and -F (fixed strings), -n (Print page number or output lines) and -H (Print the file name for each match) from the command line tool. The -r option will be done by the program itself. Performance: This GUI works well when searching in several hundreds of documents (depends on the speed of your computer and the length of the documents). Config Dir: [homedir]/.config/pdfgrepgui Available Languages: - English - German You can add your own language by editing the file [homedir]/.config/pdfgrepgui/language.set -
11
PiNote
PiNote is a free source code editor that supports several languages.
PiNote is a free source code editor that supports several languages. Running on Windows, Linux and Raspberry Pi. Written in free pascal and Lazarus IDE, use the SynEdit component with extended syntax highlighter modules. PiNote's many features include macro recording, code highlighting, encryption and/or decryption of text and files and more. -
12
Vampyre Imaging Library
Image library for Object Pascal.
Imaging is native Object Pascal (Delphi and FPC) image loading, saving and manipulation library. It is available for several platforms and does not require any third party dynamic libraries. -
13
gditools
A Python program/library aimed at GD-ROM image files.
This Python program/library is designed to handle GD-ROM image (GDI) files. It can be used to list files, extract data, generate sorttxt file, extract bootstrap (IP.BIN) file and more. This project can be used in standalone mode, in interactive mode or as a library in another Python program (check the 'addons' folder to learn how). For your convenience, you can use the gditools.py GUI program supplied in the Files section (optional). To use this project you must install the Python 2.7.x branch release binaries. See the README.TXT file for more informations. -
14
The Black Toolkit
RAD Tool and IDE for PHP, JSP, ASP, C++ and Java Swing
The interface supports drag and drop HTML components, javascript and scriptlet events, and generate a very fast code, with no additional softwares layers or libraries. You can put your libraries, like jQuery. The generated code works with all browsers. You can create and debug Applets or Java Swing applications easily with the Visual Editor of the tool. Build C++ applications. -
15
Simple Hex Viewer
Simple Hex Viewer for Windows
Simple Hex Viewer for Windows developed in FPC/Lazarus Source code repository: https://github.com/jval1972/SimpleHex -
16
LMath library
Math library for Free Pascal and Lazarus.
LMath, based on DMath, is a mathematical library for FreePascal (FPC) and Lazarus. It is entirely written in Pascal and does not depend on external libraries. LMath provides routines and demo programs for numerical analysis, including mathematical functions, probabilities, matrices, optimization, linear and nonlinear equations, integration, Fast Fourier Transform, random numbers, curve fitting, statistics and graphics. It is organized s set of lazarus packages which makes it easily extensible and helps to include only really needed features in your project. -
17
Radge - [RA]ndom [D]oom [GE]nerator
A tool for generating random levels for Doom
Radge - [RA]ndom [D]oom [GE]nerator based on SLIGE v. 490 This is a command line tool for generating random levels for Doom (1993). Source code repository: https://github.com/jval1972/R.A.D.G.E -
18
ReaverSaver
Entorno grafico para el reaver
ReaverSaver es una interfaz gráfica para el crackeo de redes wireless con WPS. Ademas permite salvar las sesiones desde LiveUSB -
19
Py2Exe Binary Editor
Reverse engineer py2exe executables
Py2Exe Binary Editor is a tool to reverse engineer py2exe generated executables. It can dump as well as modify the embedded python dll, PYTHONSCRIPT and Library.zip -
20
Avocado programming language
Avocado Polish programming language
The Avocado language is compiled and currently allows for the creation of console applications. Work on Avocado and the integrated development environment (IDE) began on February 19, 2025. A unique feature of this language is the ability to write commands in Polish and English, compiling code into .exe format. The language is freely available for commercial and non-commercial projects. The Avocado source code is available under the MIT License on GitHub. Avocado is transpiled to Free Pascal and then compiled by the FPC compiler, making it as fast as C or Rust, but with syntax reminiscent of Python. The Avocado IDE interface has been translated into 6 languages Official website: https://avocado-code.com/ Polish documentation for the new version Avocado v2.2.0.0: https://doc.avocado-code.com/ Old documentation https://avocado.doc.dimitalart.pl/ Source code https://github.com/Programista-Art/Avocado -
21
SQLite Micro Manager
Simplest SQLite3 GUI program
SQLite Micro Manager is a lightweight, fast and configurable GUI program mostly designed to access, browse and modify data in SQLite3 databases maintained by other applications, like Web browsers, home accounting software etc. It supports drag-and-drop operations, saving to and retrieving SQL statements from internal library and disk files. runs natively on 64 bit Windows 7/8/10 and Linux Ubuntu derivatives with GTK2+. Can be easily compiled for OSX and Linux GTK3 and QT widget sets with minimal changes. It can run without any installation, although proper installation packages are provided for Windows and Ubuntu-based Linux distributions. The intended audience is people with at least basic knowledge of SQL who need fast and simple tool to deal with SQLite3 databases. -
22
Batch Files have been useful since DOS but have not changed much since. This Batch File FrameWork for .vbat Files harnesses the Windows Environment so that your Batch Files run as Windows Forms rather than Console (Command Line) Text. COMPILES EXE
-
23
uIDE (Micro IDE)
uIDE (Micro IDE) is a free, open-source IDE for GPUtils
uIDE is a specialized development environment for programming PIC microcontrollers in assembly language. Built with Free Pascal and Lazarus, it offers a clean, efficient workspace for embedded systems developers working with Microchip's PIC processor family. -
24
ExtPascal FastCGI DHTML Forms' Server
Create a fast ExtJS compiled fastcgi server
ExtJS server sources for Lazarus Free Pascal on GNU LGPL license. After sharing my Lazarus upgrade, italians reviewed and shared it again. From my bitbucket.org/matthieugiroux account. Ext Pascal actually uses Ext JS 3.2.1 and Lazarus 1.6 or 1.8 RC5. -
25
LuaToExe
Embedded a lua script in an executable without LUA DLL (one file)
Builds an executable containing all the files of a LUA application. This executable will be autonomous, it will include all the resources of the application. This program checks, compiles each LUA unit, searches for "require" and dependencies, it automatically includes the necessary modules. It can also integrate other types of files: DLL, Exe, images... The work is simplified by adding pre-compilation directives.
