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Catalog

30,058 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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DBuild

DBuild it's a easy way to compile packages/exe/dll in continuous integration environment

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • Apache-2.0

Language Tools

dpraddmad

Command line tool to add MadExcept uses to DPR file

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 2

Language Tools

coderage_jenkinsdemo

Continuous integration with SVN, Jenkins and DUnit (Delphi) with Craig Chapman - CodeRage XI (https://www.youtube.com/watch?v=dhKGmp6KsNs)

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 1

Learning and Examples

issrc

Inno Setup is an open-source installation builder for Windows applications by Jordan Russell and Martijn Laan. Since its introduction in 1997, Inno Setup has been trusted by developers and organizations of all sizes to reliably deploy software to millions of PCs worldwide.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5,744

System

pasvulkan

Vulkan header generator, OOP-style API wrapper, framework and prospective Vulkan-based game engine for Object Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 230
  • Zlib

Bindings Graphics

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

mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

sempare-delphi-template-engine

Sempare Template (scripting) Engine for Delphi allows for flexible dynamic text generation. It can be used for generating email, html, reports, source code, xml, configuration, etc.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 177
  • Apache-2.0

Language Tools

DX.Pdfium4D

Delphi Cross-Platform Wrapper for Google's PDFium - Object-oriented PDF document handling for Windows, macOS, Android, iOS

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • MIT

Bindings

Delphi_Remote_Desktop

Easy To Use Drag And Drop Desktop Duplication Components (Work In Progress!)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Networking

Chart4D

Native Delphi charting library for VCL and FMX: clean newspaper-style defaults, PNG export, zero dependencies

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 43
  • MIT

Charts and Graphs

SnapTRAINER

A modular Virtual-PLC Trainer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 41
  • GPL-3.0

System

delphi-anomalies-detectors

A comprehensive Delphi library for detecting anomalies in business data using statistical and machine learning approaches. Designed for real-world applications including fraud detection, system monitoring, data validation, and quality control.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 31
  • Apache-2.0

Science

Delphi_Delta_ScreenShot_And_RDP

Fast Delphi screen sharing by sending only the pixels that changed. Great for low-bandwidth or real-time desktop streaming. Included RDP Demo!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Graphics Networking

delphi-terminal

[PLUGIN] Dockable terminal panel for RAD Studio with CMD, pwsh, and PowerShell tabs, ANSI color rendering, and command history

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24

Lazarus IDE plugins

IAMClient4D

IAMClient4D is a Delphi client library for integrating applications with Keycloak, providing full OAuth2/OpenID Connect support (including PKCE), token and user management, and a lightweight asynchronous task framework (Async.Core) for thread-safe operations across VCL and FMX.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24
  • Apache-2.0

Security Networking

Delphi_Audio-Link_Components

Easy To Use Drag And Drop Audio Components For Delphi (Windows OS) Now With Audio Injection Support!

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21
  • MIT

Multimedia

superpascal

Per Brinch Hansen's SuperPascal compiler and interpreter, ported to Free Pascal for modern 64-bit Linux, with examples and automated tests.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 20
  • MIT

Language Tools

pasml

A collection of machine learning algorithms for object pascal

  • Quiet
  • Library
  • GitHub
  • ★ 17
  • MIT

Science

FhazEditor

Built natively with Lazarus/FPC — blazingly fast, minimal footprint, 100% bloatware-free.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 15
  • GPL-3.0

Edit and Memos

ft

A widget toolkit?

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 12
  • MPL-2.0

GUI containers

mathlib-fp

Scientific, statistical and engineering mathematics for Free Pascal, with no third-party runtime dependencies.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 12
  • MIT

Science

PascalFramework

Pascal Framework is a foundational library for Free Pascal, Lazarus and Delphi applications.

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

Bindings 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

castle-doom

Doom levels rendered and played with Castle Game Engine (Object Pascal), with a WebAssembly build

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 8

Games and Game Engines

IAP

A Library bundled for the ITDevCon 2014 presentation "Immersive Audio Programming", which contains the necessary code to build a platform independent audio environment with Delphi.

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

Multimedia

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

balance

Balance is a 2D physics engine implemented in PascalABC.NET

  • Active
  • Library
  • GitHub
  • ★ 6
  • MIT

Science

rezvivo

Open-source Zwift alternative in alpha: train on a smart trainer or freely explore OpenStreetMap in 3D. Indoor cycling, interval workouts, walking, free flight and Dream Worlds.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • GPL-3.0

Games and Game Engines

lazarus-i18n-template

Reusable Free Pascal / Lazarus template for multilingual desktop apps that run identically on Windows and Linux — lightweight .lang (INI) localization, OS-language auto-detection, live switching, no gettext.

  • Active
  • Other
  • Lazarus
  • GitHub
  • ★ 5
  • MIT

Learning and Examples

novamonitor

Modern, high-performance Delphi & Free Pascal system telemetry and process inspection dashboard (MVVM architecture, High-DPI, Dark/Light theme).

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

System

ONVIF_WDSL

ONVIF WDSL for delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • Unlicense

Networking

JoltPhysics4Delphi

A Delphi wrapper and object-oriented binding layer for the Jolt Physics high-performance rigid body physics engine.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Bindings

RaspberryPi-BME280-GUI

BME280 GUI – Complete I²C sensor access with GUI, fully self-contained in Free Pascal.

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

System

Yutani-Building-better-worlds

A high-performance, multi-threaded 3D Sandbox & Multimedia Framework for Delphi. Powered by Jolt Physics, Raylib, R3D, SDL3, MiniAudio, TinySoundFont, libmpv, RecastNavigation, VerySimpleLua, GameNetworkingSockets, and Skia4Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • Apache-2.0

Games and Game Engines

cartelnet

CartelNET: Dark Operator is a tactical cyber-warfare strategy game featuring a dynamic, LLM-powered AI adversary (Google Gemini / Llama.cpp)

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

Games and Game Engines

crenshaw-compiler

Jack Crenshaw's 'Let's Build a Compiler!' tutorial implemented in Free Pascal — v1 (Ch 1-10, 68k asm) and v2 (Ch 11-16, TINY 2.1 + stack VM)

  • Active
  • Other
  • Lazarus
  • GitHub
  • ★ 2

Language Tools

delphi-logging-facade

A flexible, SLF4J-inspired logging facade for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Other

ERD-Card-Toolkit

A Delphi component library for reading and writing smart cards, contactless tags, magnetic stripes and RFID input on Windows.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

System

microwave-pcb

PCB Design project to simulate a microwave.

  • Active
  • Other
  • GitHub
  • ★ 2
  • GPL-3.0

Other

MRX-Skia-Surface

An experimental widget and module rendering engine for Delphi (FMX), powered by Skia4Delphi and FFmpeg.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Graphics

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

riscv

A cross-platform RISC-V emulator written in Object Pascal

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2

System

syc

Streaming archiver + compressor with its own LZ codecs, written from scratch in Free Pascal (x86-64 asm hot paths). Tuned for modest hardware. Alpha.

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

Files and Drives

anvil

High-performance Git-compatible distributed version control and content-addressable storage engine in Object Pascal

  • Active
  • Library
  • GitHub
  • ★ 1
  • MIT

Other

DNR

DOS Navigator Revived

  • Active
  • Library
  • GitHub
  • ★ 1

Other

fpc-realmode

Unofficial enhanced Free Pascal cross-compiler for x86 real mode (host: x64 Windows / Linux)

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

Other

lazbounce

A simple retro ping-pong game built using Pascal programming language

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • Apache-2.0

Games and Game Engines

memory

An ancestral school project I forgot about

  • Archived
  • Library
  • GitHub
  • ★ 1

Other

Quick_Color_Picker

A fast and feature-rich Windows color picker with live magnifier, multi-format conversion, favourites, search, color combinations, import/export, and more.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

SphericalFluid

Fluid Dynamics on Sphere by Spherical Harmonics for Delphi

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

Other