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Catalog

30,062 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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AI-Code-Translator

Translate source code from languages like C++, Python, and C# to Delphi using ChatGPT.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 57
  • MIT

Language Tools

DzHTMLText

Delphi and Lazarus HTML Label component

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 229
  • MIT

Labels

4.0 from 1 member

Delphi-Crash-Reporter

Cross-platform Delphi crash/exception reporter (Linux, macOS, Android, iOS) that emits EurekaLog .el-format reports (open in the EurekaLog Viewer): call stacks, CPU registers, modules, source line numbers. RTL-only core, no FMX dependency, no EurekaLog license required.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • BSD-2-Clause

System

2.0 from 1 member

LinLocalize 1.6 for Windows

LinLocalize for Windows is an application for localizing executables to other languages. It automates resource translation to great length. Application language can be switched over regitry. No code needs to be included in application. Delphi XE source code for MS-Windows is available on subversion. - Compiling LinLocalize with Delphi XE10 is working - Using LinLocalize for translating Delphi XE10 Projects is working - LinLocalize is an 32bit Application but can handle 64bit Executeables and Ressourcesfiles too

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

Applications

pascal_intp_comp

Translation of Java code in Writing Compilers and Interpreters – third edition (Ronald Mak) into Free Pascal.

  • Quiet
  • Other
  • Lazarus
  • GitHub
  • ★ 2

Language Tools

Mars3D

This is a source port of the DOS game 終極戰士 [Mars - The Ultimate Fighter] Source code repository: https://github.com/jval1972/Mars3D In order to run the game you must have the game data. The English translation of the game can be downloaded at: https://mars3d-game.wixsite.com/index

  • Quiet
  • Application
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

Games and Game Engines

ZLib

The zlib unit is a straight translation of the libz header files. it provides access to the libz compression library, and as such is equivalent to the paszlib units, except that the actual code resides in a shared library.

  • Library
  • Lazarus

Bindings

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

pasta80

Turbo Pascal 3.0-compatible compiler that generates machine code for classic and modern Z80 machines (currently CP/M, Sinclair ZX Spectrum 48K/128K/Next, and Agon Light/Console8).

  • Active
  • Application
  • GitHub
  • ★ 207

Language Tools

Ray4Laz

Headers translation of the Raylib game development library. Inspired by Borland BGI graphics lib and by XNA framework.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 181
  • Copyright (C) 2020-2026 Gunko Vadim

Bindings In the Online Package Manager

Dam

Delphi and Lazarus Message Dialogs with Formatted Text

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 167
  • MIT

Dialogs

FMD

Forked from https://sf.net/p/fmd/

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 740
  • GPL-2.0

Networking

LGenerics

Generic algorithms and data structures for Lazarus/Free Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 139
  • Apache-2.0

Other

SQLite3-Delphi-FPC

Complete SQLite API translation and simple wrapper for Delphi and FreePascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 134
  • MIT

Database Bindings

TeroSubtitler

Tero Subtitler is an open source, cross-platform, and free subtitle editing software.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 469
  • MPL-2.0

Multimedia

neural-api

CAI NEURAL API - Pascal based deep learning neural network API optimized for AVX, AVX2 and AVX512 instruction sets plus OpenCL capable devices including AMD, Intel and NVIDIA.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 465
  • LGPL-2.1

Science

FastMM5

FastMM is a fast replacement memory manager for Embarcadero Delphi applications that scales well across multiple threads and CPU cores, is not prone to memory fragmentation, and supports shared memory without the use of external .DLL files.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 345

System

WPP4Delphi

WhatsApp Web component for Delphi and Lazarus. TWPPConnect embeds Chromium through CEF4Delphi and exposes WA-JS messaging, sessions and events to Object Pascal applications.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 252
  • Apache-2.0

Networking

Chet

C Header Translator for Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 227
  • BSD-2-Clause

Language Tools

MakerAi

The AI Operating System for Delphi. 100% native framework with RAG 2.0, autonomous agents, MCP protocol, and universal LLM connector. Supports OpenAI, Claude, Gemini, Ollama, and more. Delphi 10.4+ (limited), full support from Delphi 12 Athens.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 216
  • MIT

Other

dmustache

A Delphi implementation of the Mustache templating language

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 163

Language Tools

PEP

Private exe protector

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 159
  • MIT

Security

Delphi-LightSaber

Lots and lots of "goodie" functions and 70 visual controls. More than 15 years of development have been put in this library. The library also wants to be a lightweight replacement for the mammoth Delphi Jedi library.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 157

Other

aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

Networking

quantoflx

A desktop customization tool based on Rainmeter

  • Archived
  • Application
  • GitHub
  • ★ 135
  • GPL-3.0

Applications

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

GraphicEx

GraphicEx - a Delphi image loader library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 120
  • MPL-2.0

Graphics

quanto

Quanto is a desktop customization tool based on Rainmeter.

  • Archived
  • Application
  • GitHub
  • ★ 120

Applications

aviutl_rampreview

AviUtl用プラグイン「拡張編集RAMプレビュー」

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 117
  • MIT

Multimedia

Clipper

Polygon and line clipping and offsetting library (C++, C#, Delphi) by Angus Johnson. Forked from https://sourceforge.net/projects/polyclipping. I prepared a "Release" branch (containing C# source only) for submodule usage.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 114
  • BSL-1.0

Graphics

Delphi_MemoryModule

Delphi adaptation of MemoryModule — load DLL from memory. Also includes hooking utilities.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 113

System

SwagDoc

Create a public documentation REST API using Swagger 2.0 or Open API 3.2.1 for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 108
  • Apache-2.0

Networking

InstantObjects

Pupular OOP-OPF Library for Delphi (from DXE6 to latest version)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 107
  • MPL-2.0

Database

tzdb

Delphi/FPC Time Zone Database

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 104
  • BSD-3-Clause

Date and Time

MfPack

Delphi translations for Microsoft Media Foundation and related API's

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MPL-2.0

Bindings Multimedia

MarkdownHelpViewer

MarkdownHelpViewer is an integrated help system based on files in Markdown format, for Delphi applications, plus a useful component to embed help inside the App.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 94
  • Apache-2.0

Applications

FPDF-Pascal

Tradução do Projeto FPDF de PHP para Pascal, compatível com D7-D12, Lazarus, Win, Linux, Android

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 90

Reporting

clipper

[mirror] An open source freeware polygon clipping library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 88
  • BSL-1.0

Graphics

DelphiGenAI

The GenAI API wrapper for Delphi seamlessly integrates OpenAI’s latest models (gpt-5 serie), delivering robust support for agent chats/responses, text generation, vision, audio analysis, JSON configuration, web search, and asynchronous operations. Image generation with gpt-image-2. Skills and agents

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 88
  • MIT

Networking

dglOpenGL

Delphi / Pascal OpenGL header translation (including WGL and GLX)

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 88
  • MPL-2.0

Bindings Graphics

Neslib.Clang

libclang for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 67
  • BSD-2-Clause

Bindings

PasClaw

Ultra-lightweight native AI agent framework written entirely in Object Pascal for Delphi and Free Pascal, designed for performance, portability, and extensibility.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 67
  • MIT

Science

Symposium2023

Demonstrates Voice Recognition, Text to Speech, Language Translation, OAuth2, Image Generation, Face Detection and Voice Chatbot.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 66
  • MIT

Learning and Examples

QuickDAO

Simple Data Access Object library with LinQ and multiengine support for (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux)

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 60
  • Apache-2.0

Database

DelphiCraft

Delphi Minecraft clone based on https://www.michaelfogleman.com/projects/craft/

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 59
  • GPL-3.0

Games and Game Engines

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

IDR

Interactive Delphi Reconstructor (Pascal version)

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 54

Language Tools

pascalscada

PascalSCADA for Lazarus

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

System