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30,067 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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DocTo

Simple command line utility for converting .doc & .xls files to any supported format such as Text, RTF, CSV or PDF

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 510
  • MIT

Files and Drives

FastMM4

A memory manager for Delphi and C++ Builder with powerful debugging facilities

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 499

System

delphi-event-bus

Delphi Event Bus (for short DEB) is an Event Bus framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 496
  • Apache-2.0

Other

ChatGPT

ChatGPT Native Application (Windows, Mac, Android, iOS, and Linux)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 480
  • MIT

Networking

GIUDA

Ask a TGS on behalf of another user without password

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 479

Security

TeroSubtitler

Tero Subtitler is an open source, cross-platform, and free subtitle editing software.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 469
  • MPL-2.0

Multimedia

pl_Graphics32

Some of Graphics32 features for 32-bit images. Fast pixel access, ~100x faster than with TBitmap. Bitmap alpha blending. Antialiasing functions with sub-pixel accuracy.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 465
  • GNU Library or Lesser General Public License (LGPL)

Graphics In the Online Package Manager

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

JsonDataObjects

JSON parser for Delphi 2009 and newer

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 460
  • MIT

Other

sas.planet.src

SAS.Planet is a free, open-source Geographic Information System (GIS) software designed for viewing, downloading, and managing high-resolution satellite imagery and conventional maps from various online sources.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 453
  • GPL-3.0

Science

HtmlViewer

Set of components to display HTML content: THtmlViewer, etc. Supports HTML 4.01, part of HTML 5, many CSS props.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 445
  • Read License.txt

Other In the Online Package Manager

quickhash

Graphical cross platform data hashing tool for Linux, Windows and Mac

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 436
  • GPL-2.0

Cryptography

BatteryMode

Windows Battery Indicator replacement

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 424

System

DUnitX

Delphi Unit Test Framework

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 424
  • Apache-2.0

Language Tools

IRPMon

The goal of the tool is to monitor requests received by selected device objects or kernel drivers. The tool is quite similar to IrpTracker but has several enhancements. It supports 64-bit versions of Windows (no inline hooks are used, only moodifications to driver object structures are performed) and monitors IRP, FastIo, AddDevice, DriverUnload and StartIo requests.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 419
  • MIT

System

WebView4Delphi

WebView4Delphi is an open source project created by Salvador Díaz Fau to embed Chromium-based browsers in applications made with Delphi or Lazarus/FPC. WebView4Delphi only supports Windows. If you need to embed a web browser in Linux, Windows or MacOS consider using CEF4Delphi instead.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 417
  • MIT

Networking In the Online Package Manager

cnvcl

CnPack VCL Components

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 406

Other

noe

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

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

Science

Dev-CPP

A greatly improved Dev-Cpp

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 401
  • GPL-3.0

Edit and Memos

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

SVGIconImageList

Four engines to render SVG (Delphi Image32, SVGMagic, Skia4Delphi, Direct2D wrapper) and four components to simplify use of SVG images (resize, fixedcolor, grayscale...) for VCL and FMX platforms.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 399
  • Apache-2.0

Graphics

DDetours

Delphi Detours Library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 398
  • MPL-2.0

System

CloudMailRu

Total Commander plugin for cloud.mail.ru service

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 392

Networking

delphi-rest-client-api

A Delphi REST client API to consume REST services written in any programming language.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 385
  • Apache-2.0

Networking

FMXComponents

Firemonkey Opensource Components

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 382
  • MIT

Other

kam_remake

"KaM Remake" is an RTS game remake written in Delphi from scratch.

  • Archived
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 378
  • AGPL-3.0

Games and Game Engines

hUGETracker

The music composition suite for the Nintendo Game Boy

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 375

Multimedia

torokernel

This repository contains the source code of toro unikernel

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

System

xtool

Just some tool repackers like to use...

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 369
  • MIT

Files and Drives

vcl-styles-utils

Extend and improve the Delphi VCL Styles

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 365

Other

delphi-neon

JSON Serialization library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 364
  • MIT

Other

keynote-nf

Tabbed notebook with RichText editor, multi-level notes and strong encryption.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 361
  • MPL-2.0

Edit and Memos

FastMM5

FastMM is a fast replacement memory manager for Embarcadero Delphi applications that scales well across multiple threads and CPU cores, is not prone to memory fragmentation, and supports shared memory without the use of external .DLL files.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 345

System

zcad

Simple CAD program

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 338

Graphics

superobject

. Delphi FPC Parser/writer for JSON data format. This toolkit is designed to work with Delphi and FreePascal win32, win64, linux32, linux64, macOS Intel. Supports reading/writing XML as well.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 337

Other

dext

Dext - Modern Full Stack Framework for Delphi

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

Networking

x-superobject

Delphi Cross Platform Rapid JSON

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 330

Other

wattsi

Preprocessor for the HTML Standard

  • Active
  • Application
  • GitHub
  • ★ 72

Language Tools

DelphiOpenAI

OpenAI (and DeepSeek, Azure OpenAI, YandexGPT, Ollama, GigaChat, Qwen) API wrapper for Delphi. Use ChatGPT, DALL-E, Whisper and other products.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 318
  • MIT

Networking

G-Code-Flow-Temperature-Controller

A post processing script for OrcaSlicer that demonstrates how automatically adjusting Nozzle Temperature and Flow rate (Print Speed) can significantly improve both print time and quality, while also simplifying slicer settings.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 318
  • MIT

Other

blaise

A modern, self-hosting Object Pascal compiler built for the 2020s. Zero legacy, full ARC, and unified UTF-8.

  • Active
  • Application
  • GitHub
  • ★ 309
  • Apache-2.0

Language Tools

SimpleBaseLib4Pascal

Object Pascal library for encoding/decoding Base16, Base32, Base58, Base64, Base85.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 67
  • MIT

Other

rootkit.com

Mirror of users section of rootkit.com

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 307

Security

Cmulator

Cmulator is ( x86 - x64 ) Scriptable Reverse Engineering Sandbox Emulator for shellcode and PE binaries . Based on Unicorn & Zydis Engine & javascript

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 304
  • AGPL-3.0

Security

cassotis-ime

Cassotis IME - a native Delphi/TSF Chinese Pinyin IME for Windows 10/11. 言泉输入法 —— 基于 Delphi/TSF 的 Windows 10/11 原生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
  • Delphi
  • GitHub
  • ★ 302
  • GPL-3.0

System

USB-Disk-Ejector

A program that allows you to quickly remove drives in Windows. It can eject USB disks, Firewire disks and memory cards. It is a quick, flexible, portable alternative to using Windows' "Safely Remove Hardware" dialog.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 302
  • GPL-2.0

Files and Drives

DelphiAST

Abstract syntax tree builder for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 299
  • MPL-2.0

Language Tools

dcef3

. Delphi Embedding Chromium in Delphi, tested on Delphi 2010, XE, XE2, Delphi 7.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 299

Networking

CPUView

Advanced CPU-View mode for Lazarus

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 65
  • MIT

System