Sign in Join

Live chat for Free Pascal, Lazarus, Delphi and every Pascal programmer.

Catalog

30,060 projects in the catalog.

Free Pascal, Lazarus and Delphi components, libraries and programs from GitHub, SourceForge, Codeberg, GitLab and more. Rate them, mark what looks interesting, and talk about them on their benches.

Random project How the catalog works

GLib

GLib es una librería/biblioteca de componentes para elphi de uso general.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3

Other

GLibWMI VCL Component Library

IMPORTANT: This project has moved to Github: https://github.com/germanestevez/GLibWMI (English) GLibWMI is a Delphi library of components, focused on the Administration of Windows Systems. They are based on Windows WMI (Windows Management Instrumentation). (Spanish) GLibWMI es una librería/biblioteca de componentes para Delphi, enfocados a la Administración de Sistemas Windows. Están basados en la WMI de Windows (Windows Management Instrumentation).

  • Library
  • Delphi
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

System

Glib

Some functions for quick'n'dirty image manipulation.

  • Quiet
  • Library
  • GitHub
  • ★ 1

Graphics

GLibWMI

GLibWMI is a Delphi library of components, focused on the Administration of Windows Systems. They are based on Windows WMI (Windows Management Instrumentation). GLibWMI es una librería/biblioteca de componentes para Delphi, enfocados a la Administración de Sistemas Windows. Están basados en la WMI de Windows (Windows Management Instrumentation).

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 173
  • Apache-2.0

System

GLibWMI

. Delphi Component Library for Delphi that encapsulate the classes for access to WMI of Windows in a set of VCL. BiosInfo, PrinterInfo, DiskInfo, etc. Allow access WMI Classes: WIN32Bios, WIN32Printers, WIN32DiskDrive.

  • Library
  • Delphi
  • GitHub

System

pasgobject

Pascal bindings for GLib/GObject and GTK4, generated from GObject Introspection (GIR)

  • Active
  • Library
  • GitHub
  • ★ 1
  • LGPL-3.0

Other

imaginglib

Object Pascal image loading, saving and manipulation library.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 153
  • MPL-2.0

Graphics

alglib

ALGLIB is a cross-platform numerical analysis and data processing library. It supports several programming languages (C++, C#, Delphi) and several operating systems (Windows and POSIX, including Linux)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • GPL-2.0

Science

DFLoggingLibrary

DFLoggingLibrary is a Delphi logging library for logging messages of different severity levels.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • MIT

Other

ERLOGLIB-TP

Bibliothèque en Turbo Pascal pour la gestion des erreurs (errorlog).

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Other

SVGLIB-TP

Bibliothèque en Turbo Pascal pour manipuler des fichiers SVG (Scalable Vector Graphics).

  • Quiet
  • Library
  • GitHub
  • ★ 1
  • MIT

Graphics

ALGLIB

. Delphi FPC Cross-platform numerical analysis and data processing library. It supports several operating systems Windows and POSIX, including Linux. ALGLIB features include: Data analysis classification/regression, statistics; Optimization and nonlinear solvers; Interpolation and linear/nonlinear least-squares fitting; Linear algebra direct algorithms, EVD/SVD, direct and iterative linear solvers; Fast Fourier Transform and many other algorithms.

  • Library
  • Lazarus and Delphi

Science

LogLib

. Delphi A simple but effective visual log control/library. The programmer can send messages to a log window from anywhere in his code. The Log window can be set to automatically pop up when an error message is sent to it. Depending on the chosen verbosity level of the log see the Verbosity property low-level messages like verbose/debug messages are shown or not. Contains: Non-visual log TRamLog Visual log TRichLog

  • Library
  • Delphi
  • GitHub

Other

transgui

🧲 A feature rich cross platform Transmission BitTorrent client. Faster and has more functionality than the built-in web GUI.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3,472
  • GPL-2.0

Networking

awesome-pascal

A curated list of awesome Delphi/FreePascal/(any)Pascal frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Open source and freeware only!

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 2,096
  • CC0-1.0

Learning and Examples

mcx

Monte Carlo eXtreme (MCX) - Physically accurate and validated GPU ray-tracer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

Codebot.Cross

A cross platform toolkit for Free Pascal and Lazarus

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 77
  • GPL-3.0

Other

MTN2

Dual-pane keyboard-driven file manager in the spirit of DOS Navigator and Far Manager: built-in console, terminals, viewer and editor, archives, SFTP/FTP/WebDAV/S3, plugins. Delphi, Windows and Linux.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 55
  • MPL-2.0

Files and Drives

installer

One-click installer bundling the Unleashed Pascal compiler + IDE (Windows/Linux)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 20

Language Tools

PureParseFloat

Just Good ParseFloat Algorithm named PureParseFloat

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 19
  • MIT

Other

SedaiAudio

Sedai Audio Foundation - Professional audio synthesis library in Free Pascal. 5 Synthesis Engines: Classic/Subtractive, FM (DX7-style), Wavetable, Additive, SID Evo.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • GPL-3.0

Multimedia

trndi

Trndi - CGM monitoring app

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 13
  • GPL-3.0

Science

Lude

Lua 5.1, natively ported to Delphi and FreePascal, implementing the Lua 5.1 C ABI as a drop-in replacement for lua5.1.dll / .so / .dylib

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 11

Language Tools

gir2pascal

Updated version of https://sourceforge.net/p/lazarus-ccr/svn/HEAD/tree/applications/gobject-introspection

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 10
  • GPL-2.0

Language Tools

DailyPascalModules

📦 Lightweight, zero-dependency Object Pascal micro-modules. Software CPU blitting for retro systems + unified OpenGL bindings for modern hardware. Pure FPC, plug-and-play.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • BSL-1.0

Graphics

dbdesigner-fork

Treat it as an early beta: DB Designer Fork is a fork of the fabFORCE DBDesigner 4. It integrates entity relationship design,front-end (you can run queries) and SQL exporting.DB Designer Fork generates SQL scripts for Oracle, SQL Server, MySQL, FireBird, SQLite and PostgreSQL.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 6

Database

superterm

Native GNU/Linux, macOS, and Windows terminal workspace; shared sessions and SSH on POSIX hosts.

  • Active
  • Application
  • GitHub
  • ★ 6
  • GPL-3.0

Networking

WOKING

My Working

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6

Other

tiespace

A human-driven ncurses TUI client for the Cyberspace (cyberspace.online) social-network API, written in Free Pascal.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • MIT

Networking

vespucci

Vespucci is an open-source remake of the old Colonization classic.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • GPL-3.0

Games and Game Engines

bp

Better Pascal, LLM-friendly mem-safe FP dialect based on Rust, Go & Goose concepts

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4

Language Tools

LazRandR

X11 display layout tool for Linux that also maps touchscreens to the right monitor (Lazarus/FPC, GTK3)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

System

LiangliangSVN

这是一个配置开源svn服务端的管理工具，使用Pascal(Delphi风格)编写，Vibe Coding作品。虽然SVN已经被git替换，但有些老项目上用以及自己做下文件版本管理还是挺好用的。

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3
  • GPL-3.0

Applications

ShardMM

A scalable memory manager for Delphi on Win64

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • MIT

System

fpGTK3

GTK3 Library for Free Pascal

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 2
  • GPL-3.0

Bindings

freepascal-ootb

Free Pascal Compiler OOTB - an open source Object Pascal compiler that works out of the box, no installation needed. It is is a fork from Free Pascal fpc.

  • Active
  • Application
  • Lazarus
  • Codeberg
  • ★ 2

Language Tools

LCLGtk4-prototype

GTK4 widgetset prototype for the Lazarus Component Library (LCL)

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 2

Other

PJA

Lossless recompression of JPEG and JPEG-LS files, the successor of packJPG: FreePascal, with the model's core in C and some x86-64 assembly; no libraries. Also a C library, a 7-Zip plugin and a zpaq-std plugin

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Graphics

VisualFreePascal

This project offers custom FreePascal units that implement native bindings for GTK, Win32, and macOS APIs. It focuses on a lightweight abstraction layer that enables direct system integration, clean cross-platform development, and precise access to platform-specific features without external frameworks.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 2

Bindings

DebugEngine4Delphi

DebugEngine is a Delphi library of debugging and diagnostics utilities: symbolized stack traces, Exception.StackTrace hooks, crash logs, Delphi debug info (map) handling, CPU register snapshots, try-block enumeration, disassembly with debug-info comments and PE utilities. Biblioteca Delphi de utilitários de depuração e diagnóstico: stack traces,etc

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

fpc264irc

A complete Pascal development environment rebuilt from FPC 2.6.4 source, targeting retro computing: BBS systems, DOS, Win9x, and cross-platform console applications. Includes Lazarus IDE with LCL widgetset.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1

Lazarus IDE plugins

graxaimgestaodebanca

Sistema de gestão de banca para apostas esportivas

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • GPL-3.0

Database

hildi

A small, portable coding and remote agent harness written in Free Pascal.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Other

xplane_hla

Implements an HLA plugin for X-Plane to allow formation flights with multiples XPlane instances.

  • Quiet
  • Library
  • GitHub
  • ★ 1
  • GPL-3.0

System

FastMM4-AVX

. Delphi FPC FastMM4 fork with AVX support and multi-threaded enhancements faster locking

  • Library
  • Lazarus and Delphi
  • GitHub

System

graphoxide

Native code knowledge graphs for developers and AI agents

  • Other
  • Lazarus
  • GitHub

Other

IGL (Intuition Graphics Library)

IGL (Intuition Graphics Library) is a TurboPascal Graphics library which implements a "Amiga-a-like" interface. IGL is an inactive project (since 1991)

  • Library
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

Graphics

Vampyre Imaging Library

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.

  • Quiet
  • Library
  • Lazarus and Delphi
  • SourceForge
  • Mozilla Public License 2.0 (MPL 2.0)

Graphics

VampyreImaging

Library for images loading, saving, and manipulation. Supports lot of image formats. For Delphi and Free Pascal.

  • Package
  • Lazarus and Delphi
  • SourceForge

Graphics In the Online Package Manager