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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.

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MARS-3D-Setup

Setup program for the game MARS 3D, a rather unknown asian clone of the first-person shooter classic DOOM.

  • Quiet
  • Application
  • GitHub
  • ★ 7
  • MIT

Games and Game Engines

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

ProcessMemoryMap

Deep memory analysis for Windows processes — the tool that saves you hours of debugging

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 178
  • MPL-2.0

System

mseide-msegui

MSEide is a Rapid Application Development IDE for platform independent rich GUI applications in the Pascal language. It comes with its own GUI toolkit called MSEgui. Binaries: https://github.com/mse-org/mseide-msegui/releases

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 167
  • GPL-2.0

Language Tools

QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 714
  • Apache-2.0

Other

CloudMailRu

Total Commander plugin for cloud.mail.ru service

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 392

Networking

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

aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

Networking

bhyvemgr

Bhyve management GUI written in Freepascal/Lazarus

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 105
  • BSD-3-Clause

System

MfPack

Delphi translations for Microsoft Media Foundation and related API's

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

Bindings Multimedia

ScannerMApp

A QR code and barcode scanner app built with Delphi and FireMonkey, using ZXing.Delphi and TFrameStand. On Google Play.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 87
  • Apache-2.0

Applications

EasyNotes

Note apps for Windows, Android and iOS with P2P sync / Приложения заметок для Windows, Android и iOS, с P2P синхронизацией

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 81

Edit and Memos

notetask

A simple application for creating and organizing task lists, offering essential features for efficient task management, similar to Notepad in its simplicity and functionality.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 79
  • GPL-3.0

Applications

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

adbmanager

ADB manager for Android devices

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 65
  • GPL-3.0

System

IntXLib4Pascal

Arbitrary Big Integer Library for Pascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 56
  • MIT

Other

delphi-visual-studio-code-debugger

A debugger for delphi in visual studio code, and also a MCP server to give claude/copilot/etc authonomous delphi debugging capabilities

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 48
  • MIT

Language Tools

Longhorn

  • Active
  • Other
  • GitHub
  • ★ 38
  • CC0-1.0

Other

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

dolphin

A Delphi/Object Pascal ML framework: GPT-style Transformers + GPU training + tabular DataFrames

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 27

Science

horse-ratelimit

Basic rate-limiting middleware for Horse. Use to limit repeated requests to public APIs and/or endpoints such as password reset.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 26

Networking

delphi-loop

DelphiLoop - agentic AI loop for Delphi. Multi-agent architecture, LLM integration, RAG - all in native Delphi.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 25

Applications

RetroMul

A cross-platform, extendable, multi-emulator written by Delphi FMX

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 25
  • MIT

Games and Game Engines

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-ide-remote-mcp

An MCP server that turns a Windows RAD Studio machine into a remote backend for coding agents: safe editing, real MSBuild builds, git, scaffolding, deploy & remote run via PAServer, Android (adb), Linux and Windows desktop control, DelphiLSP navigation, vault. Per-workspace security. Built for our own use, shared under MIT; no commercial plans.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 23
  • MIT

Lazarus IDE plugins

file2knowledge

Delphi Lab showcasing OpenAI's v1/responses endpoint with vector search, integrations, and session-based chat. Practical integration of generative AI. Also manages Deep Research.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 22

Learning and Examples

Delphi-RAG-Lint

Delphi-native, MIT-licensed RAG + linter for Delphi/Pascal source code. Symbol-exact + fuzzy + tree-sitter lint. Pure Delphi at runtime.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Language Tools

horse-slowdown

Basic rate-limiting middleware for Horse. Use to limit repeated requests to public APIs and/or endpoints such as password reset.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 18

Networking

Delphi-SupportUnits

Various units for resolving issues or expanding/correcting Delphi functionality

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 17
  • Unlicense

Other

maxCron

maxCron: Flexible, lightweight CRON compliant scheduler written in Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 17
  • BSD-3-Clause

Date and Time

XIDE

This Lazarus project provides a RAD IDE for Free Pascal in the browser (Chrome) or desktop.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 17

Language Tools

Cynthia

Reliably play midi music files .mid .rmi .midi from a folder or ".m3u" playlist.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Multimedia

tina4pascal

HTML-driven native apps in Free Pascal — one codebase, six targets, no browser, no widget toolkit

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Networking

tpx

TpX: drawing tool for TeX

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 15
  • GPL-2.0

Graphics

trndi

Trndi - CGM monitoring app

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

Science

tc-logviewer

Logviewer for Total Commander - standalone and lister

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 12

Files and Drives

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

TreeStructInfo

API to handle the TreeStructInfo configuration files.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 10

Other

CapaCalc

Calculates the electrical capacitance of a variety of conductor arrangements:

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Science

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

UnitConv

Converts units of measurement data

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Science

InterbaseMCP

A demo of an MCP server which interacts with InterBase

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 8

Database

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

6502-CRT

A 6502 assembly language cartridge template for the AC6502

  • Active
  • Other
  • GitHub
  • ★ 7
  • MIT

Other

pasweave

A modern documentation generator for Free Pascal projects.

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

Language Tools

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

modshell

Command-driven scriptable Modbus utility

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • EUPL-1.2

Networking