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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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Seanpm2001_Pascal_Style-Guide

2️⃣️0️⃣️0️⃣️1️⃣️[🇵.🇦.🇸.🇨.🇦.🇱]📔️ The style guide on Pascal programming for @seanpm2001

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

Other

Unnamed-RPG

The Unnamed-RPG project's goal is to create a system of tools for developers to create games or software that takes advantage of the power and complexity of Rolemaster(TM) style of role-playing guidelines.

  • Quiet
  • Library
  • SourceForge
  • Public Domain, GNU Library or Lesser General Public License

Games and Game Engines

LazInk

Canvas-drawn HTML and Markdown text controls for Lazarus: labels, memos, list boxes, a rich editor and a help-page viewer. No browser engine, no widgetset-specific code.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 7
  • 0BSD

Edit and Memos

5.0 from 1 member

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

Alcinoe

Alcinoe empowers developers to build fast, modern apps without the usual complexity or performance bottlenecks. It keeps the focus on innovation—not tool constraints—delivering top performance, deep customization, and great cross-platform UX while staying independent of GAFA ecosystems.

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 1,134
  • Apache-2.0

Other

BGRAControls

Set of LCL visual components. Analog controls, button, checkbox, toolbar, panel, ribbon, progressbar etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 226
  • Modified LGPL

Graphics In the Online Package Manager

LibreCrypt

LibreCrypt: Transparent on-the-fly disk encryption for Windows. LUKS compatible.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 777

Cryptography

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

noe

A neural network framework (with autograd!) for object pascal 🧠

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 89
  • MIT

Science

loggerpro

An modern and pluggable logging framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 400
  • Apache-2.0

Other

MARS

REST framework for Delphi: JAX-RS style resources and routes, servers and clients, JWT, OpenAPI 3, FireDAC and Devart UniDAC/MyDAC/IBDAC, SSE, MCP servers for AI agents. Windows, Linux, Docker.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 400
  • MPL-2.0

Networking

TFrameStand

TFrameStand and TFormStand: Delphi FireMonkey (FMX) components to show frames and forms through reusable, animated stands: transitions, dialogs, lightboxes, navigation stack, responsive layouts.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 280
  • MPL-2.0

GUI containers

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

Chet

C Header Translator for Delphi

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

Language Tools

StyledComponents

Components similar to Delphi VCL Buttons, Panels, Toolbar, DbNavigator, BindNavigator, ButtonGroup and CategoryButtons with Custom Graphic Styles, and an advanced, full-customizable TaskDialog, also with animations!

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 218
  • Apache-2.0

Other

SVGShellExtensions

A collection of extensions tools for SVG files, integrated into Microsoft Windows Explorer (for Windows 10 and 11) and a useful SVG Text Editor

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 205
  • Apache-2.0

Graphics

mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

delphilint

Delphi IDE package providing on-the-fly code analysis and linting, powered by SonarDelphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 150
  • LGPL-3.0

Lazarus IDE plugins

Asuite

ASuite is a simple open source portable launcher for Microsoft Windows.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 139
  • GPL-3.0

System

quantoflx

A desktop customization tool based on Rainmeter

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

Applications

AIO

Coroutine-based multithreading library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 121
  • Apache-2.0

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

DelphiDeepseek

The Deepseek API wrapper for Delphi leverages Deepseek’s advanced models to deliver powerful capabilities for seamless and dynamic conversational interactions, including a model optimized for reasoning, and now also supports running local models through an LM Studio server.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 100
  • MIT

Networking

rnl

RNL - Realtime Network Library - The opensource reliable UDP network library

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 90
  • Zlib

Networking

Markdown4D

Native Delphi Markdown library: CommonMark/GFM parser with public AST, incremental/streaming parsing, HTML renderer, markdown writer, and custom-drawn VCL & FMX viewer/editor components

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 72
  • MIT

Edit and Memos

FluentHTML

A library on Pascal, for direct use of HTML tags. Based on HTML5 tags. It can only be used to generate HTML5 Tags, there is no Parse function.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 14

Networking

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

fpc_atomic

Playable open-source engine recreation of the legendary Atomic Bomberman including Network and Ai https://en.wikipedia.org/wiki/Atomic_Bomberman

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 62

Games and Game Engines

delphi-lookup

Fast Delphi/Pascal symbol search for AI coding agents - Now includes Delphi LSP

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 56

Language Tools

MarkdownProcessor

A Markdown Processor Library for Delphi, to process and convert markdown files to HTML.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 56
  • Apache-2.0

Other

DelphiWebDriver

A Modern and Lightweight W3C WebDriver Client for Delphi, written from scratch and fully cross-platform. This project provides a pure Delphi implementation of the official W3C WebDriver protocol, allowing you to automate browsers without Selenium, external dependencies, or .NET bindings.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 55
  • MIT

Networking

RADWinUI

A WinUI-3 framework for Delphi + IDE Plugin and Tool Palette components.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 55
  • 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

PythonFMXBuilder

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

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

Language Tools

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

StaticCodeAnalyser

Static code analysis for Delphi 12 & 13 and Lazarus / Free Pascal. RAD Studio IDE plugin (32/64-bit) + standalone GUI + CLI, one engine. 201 rules (Pascal AST + DFM/LFM forms): leaks, SQL injection, dead handlers, hardcoded secrets, Unicode & Trojan Source, Win64 pointer bugs. SARIF for CI/CD, SonarQube push.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 43

Language Tools

delphi-libraries

Pure-Delphi audio codec stack — WAV, FLAC, Vorbis, Opus, MP3. No DLLs, no C bindings. CC0 Public Domain.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 41

Multimedia

csscontrols

Implementation of basic css drawing for pascal (fpc, lazarus, delphi)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 38
  • Apache-2.0

GUI containers Graphics

Logify

Logify MetaLogger for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • MIT

System

CWStudio-Components-Library

Modern Windows 11 / WinUI 3 (Fluent UI v9) styled VCL components for Delphi / RAD Studio.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • MIT

Other

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • BSD-3-Clause-Clear

Other

PedPy

Analysis of pedestrian dynamics based on trajectory files.

  • Active
  • Library
  • GitHub
  • ★ 36
  • MIT

Science

Dialog4D

A Delphi FMX dialog mechanism with async flow, per-form FIFO queueing, custom themes, worker-thread await support, and telemetry.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 32
  • MIT

Dialogs

HTML-To-Delphi-FMX

AI agent skills for converting HTML/CSS UI designs into native Delphi FireMonkey (FMX) interfaces. Supports Codex, GitHub Copilot, and other AI coding agents.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 32
  • MIT

Other

DX.Logger

Minimalistic cross-platform logging library for Delphi with extensible provider architecture

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 30
  • MIT

Other

Metamorf

A unified compiler-construction meta-language designed to define and build programming languages within a single .mor file. By describing tokens, grammar rules, semantic analysis, and code generation in one place, developers can produce native Win64 or Linux64 binaries via a built-in Zig/Clang pipeline.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 29

Language Tools

toml-fp

Simplify parsing and writing TOML config files in Free Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 29
  • MIT

Language Tools

TWLazUI

"A modern, Tailwind CSS-inspired UI component library for Lazarus and Free Pascal, powered by BGRABitmap." (Pustaka komponen UI modern bergaya Tailwind CSS untuk Lazarus dan Free Pascal, ditenagai oleh BGRABitmap.)

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 29
  • MIT

GUI containers

GetItManager

A powerful, user-friendly replacement for RAD Studio's GetIt Package Manager CLI - bypasses D13 AccessViolation issues

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 26
  • MIT

Lazarus IDE plugins

KittoX

A Delphi framework for creating data-driven WEB SPA applications with HTMX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 26
  • Apache-2.0

Networking Database

delphi-loop

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

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 25

Applications

DX.TOML

Delphi TOML Library

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24
  • MIT

Other

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