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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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2023-IT-PAT-

Application created for my school's IT PAT for the requirement of creating an application which is capable of contributing to saving the planet.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 1

Applications

CryptoLib

Set of units for cryptography, ciphers, security, random numbers. Also contains BigInteger class.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 266
  • MIT License

Cryptography In the Online Package Manager

5.0 from 1 member

HeidiSQL

A lightweight client for managing MariaDB, MySQL, SQL Server, PostgreSQL, SQLite, Interbase and Firebird, written in Delphi and Lazarus/FreePascal

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 6,318
  • GPL-2.0

Database

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

horse

Fast, opinionated, minimalist web framework for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 1,383
  • MIT

Networking

keyman

Keyman cross platform input methods system running on Android, iOS, Linux, macOS, Windows and mobile and desktop web

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 543

System

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

BatteryMode

Windows Battery Indicator replacement

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 424

System

noe

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

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

Science

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

torokernel

This repository contains the source code of toro unikernel

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 370
  • GPL-3.0

System

dext

Dext - Modern Full Stack Framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 330
  • Apache-2.0

Networking

FMXUI

FMX跨平台基础UI库

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 281
  • MIT

Other

FusionAI

A ChatGPT, Gemini, Claude, and Ollama(offline) plug-in for Embarcadero RAD Studio IDE XE5 to 12.1

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 279
  • MIT

Lazarus IDE plugins

Brook framework

Brook is microframework which helps to develop web Pascal applications.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 278
  • Copyright (c) 2012-2021 Silvio Clecio <silvioprog@gmail.com>

Networking In the Online Package Manager

EPANET2.2

Perform extended-period simulation of the hydraulic and water quality behavior within drinking water distribution systems

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 265

Science

Avro-Keyboard

Unicode compliant native Bangla/Bengali Input Method Editor (IME) for Windows

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 253
  • MPL-2.0

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

OpenRSAT

Manage your Active Directory (users, DNS, sites & services) from Linux, macOS or Windows. Open source RSAT alternative, Samba AD friendly.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 246
  • GPL-3.0

Networking System

TChromeTabs

Comprehensive Delphi implementation of Chrome's tab system

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 234

Tabbed Components

mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

windows-installer

A project to download and install the latest version of Exercism Client for Windows depending on the architecture.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 197
  • MIT

System

NumCPULib4Pascal

Get the number of CPUs in Pascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 37
  • MIT

System

DelphiHookUtils

Delphi Hooking Library by Lsuper

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 164
  • MPL-2.0

System

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

Delphi-MCP-Server

Native Delphi Server implementation of the Model Context Protocol (MCP)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 143
  • MIT

Networking

DPM

A Package Manager for Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 141
  • Apache-2.0

Language Tools

Asuite

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

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

System

codesnip

A code bank designed with Pascal in mind

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 132

Applications

Image-viewer

Cross-platform, simple and minimum, yet configurable photo viewer/slideshow/digital signage app.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 124
  • MIT

Graphics

steampipe-mod-aws-perimeter

Is your AWS perimeter secure? Use Powerpipe and Steampipe to check your AWS accounts for public resources, resources shared with untrusted accounts, insecure network configurations and more.

  • Active
  • Other
  • GitHub
  • ★ 114
  • Apache-2.0

Security

mrmath

Delphi matrix library

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 111
  • Apache-2.0

Science

fpos

Free Pascal Operating System (FPOS) is a operating system consists of a minimal kernel built on FreePascal. It contains a Scheme implementation of a hard drive (ATA) driver, keyboard (PS2), serial (8250 UART), FAT32 filesystem and a small real time clock manager. The project was built to experiment with developement of operating system using a high level functional language to study the developement process and the use of Scheme to build a fairly complex system.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 109
  • GPL-2.0

System

fastplaz

FastPlaz - Pascal Web Framework

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 105

Networking

steampipe-mod-aws-thrifty

Are you a Thrifty AWS dev? This mod checks your AWS accounts for unused and under-utilized resources using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 102
  • Apache-2.0

Other

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

FpTelegram

Telegram bots API library

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 95
  • MIT License, MIT

Networking In the Online Package Manager

rnl

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

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

Networking

TensorFlow.Delphi

TensorFlow.Delphi (TF.Delphi) provides a Delphi(Pascal) Standard binding for TensorFlow. It aims to implement the complete Tensorflow API in Delphi which allows Pascal developers to develop, train and deploy Machine Learning models with the Pascal Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 90
  • Apache-2.0

Bindings Science

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

TyControls

A skinnable / styleable Lazarus component library: every control is fully custom-drawn (BGRABitmap) and its appearance is driven uniformly by lightweight CSS-lite text themes (.tycss), rendering pixel-identical on Windows / Linux / macOS.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 81

Other In the Online Package Manager

OfficeXML4D

Delphi library for reading and writing Office Open XML documents

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 80
  • MIT

Reporting

InsideBlue-BLE-Tool

InsideBlue BLE Tool is a cross-platform Bluetooth LE utility. It can scan for BLE devices showing device information and advert payload as well as connect to devices and access GATT services/characteristics.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 76
  • MIT

Networking

smartsetup

New generation tool to build projects and install packages for Delphi, C++ Builder and Lazarus/FPC, brought by TMS Software.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 75
  • GPL-3.0

Language Tools

VindexLLM

VindexLLM is a pure Delphi, GPU-powered LLM inference engine that uses Vulkan compute shaders to run GGUF models entirely on the GPU. It performs full transformer inference without relying on Python, CUDA, or other external runtimes, requiring only vulkan-1.dll, which is typically included with modern GPU drivers.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 73

Science

QRCodeGenLib4Pascal

Generates QR Codes from text strings and byte arrays.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 70

Graphics

steampipe-mod-zoom-compliance

Run individual configuration, compliance and security controls or full compliance benchmarks for CIS for Zoom using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 66
  • Apache-2.0

Other

VstoAddinInstaller

Generic InnoSetup script to install VSTO add-ins.

  • Quiet
  • Other
  • GitHub
  • ★ 66
  • Apache-2.0

Other

miniedit

Mini text editor with highlighting code, made for PHP, Pascal, D, Lua, HTML and css or any text code.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 64
  • MIT

Edit and Memos

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

Javascript4D

A native JavaScript (ECMAScript 5.1) parser and interpreter written in Delphi/Object Pascal. Execute JavaScript code directly from your Delphi applications.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 61
  • MIT

Language Tools

FastCGI

The FastCGI protocol is designed for communication between a web server and a web application. It is commonly used for PHP or Python web applications. However, when I needed it, there was no usable implementation for Delphi available. This library fills that gap. It is MIT licensed.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 60
  • MIT

Networking