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Catalog

30,083 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.

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Casbin4D

An authorization library that supports access control models like ACL, RBAC, ABAC in Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • Apache-2.0

Security

crosspascal

CrossPascal aims to be a Delphi 7 compatible cross-platform source-to-source compiler which generates intermediate C code.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 47

Language Tools

FMX.DeviceInfo

[FireMonkey] Device Info [Windows/Mac/IOS/Android]

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 47

System

GR32PNG

The GR32PNG library has been incorporated into the Graphics32 library and is no longer independently maintained.

  • Archived
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 47

Graphics

HFS

HTTP File Server by Rejetto

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 47

Networking

Interbase-DataPump

Interbase DataPump allows you to pump data and migrate from any ADO/BDE/ODBC sources (such as dBase, Paradox, Access, MSSQL, Sybase, Oracle, DB2 etc) and native Interbase/Firebird databases into Interbase/Firebird databases easy, fast and painless with total control over the whole process.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 47
  • LGPL-3.0

Database

LEDMatrixStudio

Design LED matrix graphics and fonts with ease. Ideal for all microcontrollers and embedded platforms.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 47
  • GPL-3.0

Graphics

log4pascal

A simple logging unit for ObjectPascal (Delphi, FreePascal)

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 47
  • MIT

Other

main

Sendmail.exe is a windows program that's emulates unix sendmail behavior

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 47

Networking

Marvin.IA

Machine Learning in Object Pascal.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • MIT

Science

mesm6

Implementation of BESM-6 clone in Verilog

  • Active
  • Other
  • GitHub
  • ★ 47
  • MIT

Other

Nemp

Nemp - Noch ein mp3-Player

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 47

Multimedia

Neslib

Delphi utilities shared with other Neslib repositories

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 47

Other

pas2go

Pascal to Go converter (converts a subset of Turbo Pascal 5.5)

  • Quiet
  • Application
  • GitHub
  • ★ 47
  • MIT

Language Tools

pascalscada

PascalSCADA for Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 47
  • LGPL-2.1

System

PushClient

A cross-platform method of using Firebase Cloud Messaging (FCM) to receive push notifications

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • Apache-2.0

Networking

QuickView-3.0

Fast and lightweight tiny image viewer with transparency

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 47

Graphics

rdpwrap

RDP Wrapper Library

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 47
  • Unlicense

System

Silkscreen_Auto_Placer

Automatically place mostly all PCB Silkscreen with this Altium Script.

  • Active
  • Other
  • GitHub
  • ★ 47
  • MIT

Other

Tulip_Error_Inline

lightweight Delphi IDE plugin that brings modern, inline error and warning displays directly into the code editor exactly where they happen! at the same line

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • MIT

Lazarus IDE plugins

unild

Universal Linker Editor

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 47
  • BSD-3-Clause

Language Tools

zExpression

脚本与编译器内部的语法引擎内核，也是一种op内核，zExpression可以轻松实现自己的脚本引擎

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 47

Language Tools

...

【萝莉病毒？】删不掉的..！

  • Quiet
  • Application
  • GitHub
  • ★ 46

Files and Drives

ADAPT

Advanced Developer Async Programming Toolkit

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 46

Other

bbutils

A bunch of important low-level functions missing in FreePascal, e.g. string or array manipulation functions.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 46

Other

DelphiTour

Repositório Delphi Tour - Todas as edições iniciando por RAD Studio XE4!!!

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 46

Learning and Examples

FluidVCL

FluidVCL is a modern, high-performance set of VCL components for Delphi 10.x and above. Built with Windows GDI+, it brings a contemporary, fluid aesthetic to classic desktop applications—featuring anti-aliased rounded corners, smooth state transitions, and deeply customizable layouts.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Other

FormatConverter

Pacote de conversão entre formatos (JSON, XML, CSV, etc) para Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Other

GamePlay

Gameplay is a frontend for MS-DOS, Windows 3.1, Windows 98, ScummVM, Apple II, Atari 800, Atari ST, Amiga, Sega Saturn, Super Nintendo, Nintendo64 and DSP Emulator. It lets you play games easily and quickly — no complications, no configuration needed

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 46

Games and Game Engines

horse-logger

Middleware for access logging in HORSE

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Networking

MCPConnect

Building MCP servers with Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Networking

MSDOS-0

Clone de MS-DOS en Pascal (Turbo Pascal ou Free Pascal)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 46
  • MIT

System

OPTi82c929_Driver

Optimized DOS driver for sound cards using the OPTi 82c929 (MAD 16 PRO) controller chip

  • Quiet
  • Application
  • GitHub
  • ★ 46
  • MIT

System

Pascal-P6

6th version of Niklaus Wirth's original Pascal language compiler system

  • Active
  • Application
  • GitHub
  • ★ 46

Language Tools

PythonFMXBuilder

An application builder for Python using DelphiFMX for Python for targeting Android.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Language Tools

QDSEquations

Delphi component Equation Editor that allows you to enter and display math formulas

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 46

Science

ReduxDelphi

ReduxDelphi is a predictable state container for Delphi apps utilizing a unidirectional data flow. Inspired by https://github.com/reactjs/redux .

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Other

REST4Delphi

REST4Delphi is a powerful framework based on DMVCFramework for REST web solution in Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • Apache-2.0

Networking

rez2ans

Converts images to ANSI

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 46

Graphics

SafeThread4D

Fluent, cooperative, UI-safe background task runner for Delphi FMX, with cancellation, timeout, progress, lifecycle callbacks, and optional mobile UI liveness diagnostics.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

System

slf4p

A simple logging facade for Object Pascal (Delphi and FPC)

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 46
  • Apache-2.0

Other

system

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 46
  • GPL-3.0

Science

TLanguages

Localization tool for VCL and FMX

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Other

zChinese

自然语言项目：大规模词汇数据库 分词器 词性分析 语法依存性分析 关键词分析 简繁转 简港转 拼词转换 拼字转换 姓名识别

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 46
  • Apache-2.0

Other

CodrutsVisualLibrary

A suite of component similar to the Fluent Design System in Microsoft Windows 11. Components & Units are made in Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 45

Other

DA-His

一套完整的HIS，基于Delphi RemObjects DataAbstract开发，以Schema为中心

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 45
  • Apache-2.0

Database

delphi-argparse

Command line argument parser for Delphi.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 45
  • MIT

Other

DGoogleAnalytics

Classe criada para facilitar a integração do Delphi com Google Analytics

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 45
  • GPL-3.0

Networking

FastReportExport

⚡ Biblioteca de exportação de relatórios utilizando Fast Report em ambientes multithreading e não GUI(Graphical User Interface).

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 45
  • Apache-2.0

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