Sign in Join

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

Catalog

30,057 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.

Golang-REVoid

Go_VM — Delphi Go Source Virtualizer & Obfuscator

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 11

Security

texrex

texrex web page cleaning & ClaraX random walk crawler

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 11
  • BSD-2-Clause

Applications

cassotis-ime-mac

Cassotis IME for macOS - a native InputMethodKit/AppKit Chinese Pinyin IME with a Free Pascal engine. 言泉输入法 macOS 版 —— 采用 Free Pascal 引擎与 InputMethodKit/AppKit 原生界面的开源中文拼音输入法,支持全拼、简拼、六种双拼,并通过语料训练的本地语言模型与神经重排提升输入质量。

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 10
  • GPL-3.0

System

cassotis-ime-linux

Cassotis IME for Linux - a native IBus/Fcitx 5 Chinese Pinyin IME derived from Cassotis IME. 言泉输入法 Linux 版 —— 衍生自 Cassotis IME、采用 Free Pascal 引擎并原生支持 IBus/Fcitx 5 的开源中文拼音输入法,支持全拼、简拼、六种双拼及语料训练的本地模型重排。

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • GPL-3.0

System

Delphi-nghttp2

HTTP/2 and gRPC for Delphi and Free Pascal, built on libnghttp2. Framework-agnostic gRPC layer — protobuf codec, service registry, dispatcher, all four RPC shapes — plus a .proto code generator accepting 99.5% of real googleapis schemas. epoll/IOCP event loops, TLS/mTLS, graceful shutdown.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 9
  • MIT

Networking

DelphiLibOpenSSL

Static OpenSSL bindings for Delphi - provides a complete Pascal translation of OpenSSL APIs and pre-compiled object files for Win32/Win64 static linking.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • Apache-2.0

Bindings

pascal-amqp-faa

AMQP 0-9-1 client and broker for Free Pascal/Lazarus and Delphi in a single codebase. The embeddable broker (TAMQPServer) runs inside your application with no RabbitMQ install: exchanges, publisher confirms, mandatory/return, TTL, dead-letter, priorities and optional durability via WAL. MIT.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 9
  • MIT

Networking

Skia4DelphiCanvas

Skia-backed implementation of Vcl.Graphics.TCustomCanvas for Windows/Delphi and FPC on Windows or Linux.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 9
  • MIT

Graphics

tidykit-fp

A comprehensive toolkit for Free Pascal that provides an easy-to-use, unified interface for common operations. Inspired by C++'s Boost.

  • Archived
  • Package
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Files and Drives

muterm

MuTerm is a terminal software to communicate for devices like as Modbus or etc. It use your Comm ports and Tcp Socket client. It can be portable Windows or Linux. ( I tried on debian based Mint 32 Bit) All rights reserved on me please don't use in commercial softwares. Let's do it your self ! 11.11.2015 Mehmet Ulukaya

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 8

System

simplejson-fp

A user-friendly JSON library for Free Pascal with automatic memory management.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 8
  • MIT

Language Tools

velox-ui

VeloxUI — High-velocity, zero-dependency Object Pascal (Delphi VCL & Lazarus/Free Pascal LCL) desktop MVVM & Windows 11 Fluent UI micro-framework: DWM Mica, undocumented uxtheme dark scrollbars, GDI+ vector cards, High-DPI control fixers, flicker-free generic OwnerData virtual grids, and NT Kernel helpers.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 8
  • MIT

GUI containers

ashley

Ashley is an all-in-one, single-click local AI assistant. It bundles an llama.cpp LLM inference engine, a Symfony/PHP web chatbot interface, a CEF-based web client (PHP Desktop), and a service manager (written in Free Pascal) into one package - no Internet connection or cloud API key required at runtime.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 7
  • Apache-2.0

Applications

Avidai

High-performance offline AI video audit tool built with Lazarus (Free Pascal) and YOLOv8 for real-time object detection and timeline-synced verification.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 7
  • MIT

Graphics

BlaiseVue

The Universal Reactive Framework for Object Pascal. Build modern Web (SPA/SSG), Native Mobile (Android/iOS), and Ultra-light Desktop apps from a single Pascal codebase.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 7

Other

NativeMirror

Native Delphi implementation of PE-sieve functionality with a reusable library, CLI, and PE-sieve-compatible DLL for HollowsHunter integration.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 7
  • BSD-2-Clause

Security

PB2PAS

PB2PAS is a protocol buffer compiler, that compiles protobufs to Pascal.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 7

Language Tools

IridiumSimulator

Interactive desktop simulator for systems biology

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Science

locate

A locate-like (Unix) utility for MSX, to be used in MSX-DOS 2.

  • Active
  • Other
  • GitHub
  • ★ 6

Files and Drives

mormot2-ai

mORMot2-based AI/LLM extension for Free Pascal and Delphi: MCP server, LLM clients, embeddings, vector stores, RAG

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

Networking

superterm

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

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

Networking

Supervisor

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • GPL-2.0

System

DistanceFields

Rapid thickness estimates for images

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • BSD-2-Clause

Science

DLaya

Fast local AI decisions in Delphi and Free Pascal. A binding for LibLayaX that runs the Laya typed-decision model in-process: no server, no Python. One unit, Laya.pas, with a TLayaAgent class. Windows, Linux and macOS, CPU or GPU, 64-bit. An open-source alternative to Jev

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 5
  • MIT

Bindings

ForceDisplayer

ForceDisplayer is a simple simple GUI program that generates a python script that forces display resolution using xrandr!

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • BSD-2-Clause

System

Freepnt

Free Paint, a mouse-driven DOS paint program in Turbo Pascal, from 1995. Still compiles, and even runs in your browser or as an installed app.

  • Active
  • Application
  • GitHub
  • ★ 5
  • MIT

Graphics

NppESPHome-Plugin

A Notepad++ plugin to directly interact with ESPHome and manage related projects in Windows environment.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5
  • MPL-2.0

Edit and Memos

onnxpascal

Native ONNX Runtime inference for Object Pascal (Free Pascal / Delphi) without a C toolchain

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 5
  • MIT

Science

SkillsORM

# SkillsORM — Skills Pack para desenvolvimento Delphi/FPC com IA

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 5

Other

TFFMPEG

Delphi/Pascal FFmpeg bindings and reusable media wrappers

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • BSD-2-Clause

Bindings

c_dwscript

ObjectPascal scripting engine for C (DWScript wrapper DLL)

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4

Language Tools

dominions

Dominions BBS Game with utility for running it without WWIV

  • Active
  • Application
  • GitHub
  • ★ 4
  • Apache-2.0

Games and Game Engines

GEO-COMMANDER

GEO Commander - Ensemble de commande ecrit en Pascal (Turbo Pascal ou Free Pascal) d'aide à la géographie.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Applications

Movsea

Movsea – Project for Recognizing Movies by Video.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Multimedia

Ouress

An Opinionated Underlabouring Research Environment for the Social Sciences

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • BSD-3-Clause

Science

Toggtime

A DOS Turbo Pascal experiment in direct video memory writes, from 1995. Still compiles, and even runs in your browser or as an installed app.

  • Active
  • Other
  • GitHub
  • ★ 4
  • MIT

Learning and Examples

tv3

Classes-based Turbo Vision

  • Active
  • Library
  • GitHub
  • ★ 4

Other

Aimsun.MicroApi4D

Object Pascal binding for Aimsun MicroApi with samples

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

Bindings

BonziClaude

Desktop companion powered by Claude Code's buddy_react API. BonziBuddy meets Claude.

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

Applications

CloneDRAW

Suite de programme de dessin en Pascal (Turbo Pascal/Free Pascal)

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

Graphics

panda

Pascal N-Dimensional Arrays

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

Science

PaxLang

Pax is a Pascal/Oberon-inspired systems language that compiles to modern C++23 using Zig’s Clang toolchain, with a pass-through design that lets you mix raw C++ and Pax code freely in the same source file.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3

Language Tools

PKTeach

PKTeach Software for Pro-Arm 2200 Robot (yes, the original software!)

  • Quiet
  • Application
  • GitHub
  • ★ 3
  • MIT

System

PWIG

The Pascal Wrapper and Interface Generator

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • BSD-3-Clause-Clear

Language Tools

sharedMemoryClient

Dynamic link library with functions for creation, manipulation, reading, and writing in Shared Memories (Inter-process Communication - IPC). The entire creation process and errors found and resolved are documented.

  • Quiet
  • Library
  • GitHub
  • ★ 3
  • Apache-2.0

System

spintax-win

Framework-agnostic Spintax engine for Object Pascal — enumerations, permutations, scoped variables, conditionals, plural agreement, includes, full post-processing. Zero dependencies, MIT, Free Pascal 3.2.2+. Parity-gated by the shared golden corpus that also gates @spintax/core.

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

Other

SynEdit

SynEdit: syntax highlighting edit control for Delphi (VCL). Maintained by Ethea, continuation of pyscripter/SynEdit (TurboPack SynEdit).

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3

Edit and Memos

uct-model

Activated Sludge System Simulation Programs from 1991, created in turbo pascal

  • Quiet
  • Application
  • GitHub
  • ★ 3

Science

UnleashedPascal-BigInts

Arbitrary-precision integers, decimals and rationals for Unleashed Pascal: signed BigInt, unsigned UBigInt, BigDecimal and BigRational in one dependency-free unit, typically within 1-4x of GMP.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 3
  • MPL-2.0

Science

castle-doom3

Doom 3 (id Tech 4) levels, materials, md5 models and sounds rendered and played with Castle Game Engine (Object Pascal)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2

Games and Game Engines