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30,085 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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atom-table-monitor

⚛️ Monitoring tool for global atom table and RegisterWindowMessage identifiers

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 75
  • MIT

System

DelphiZXingQRCodeEx

Delphi/Lazarus port of QR Code functionality from ZXing, a barcode image processing library. The support for non-standard encodings has been added

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 75
  • Apache-2.0

Graphics

Gadgets-Additions

Rainmeter skins (System/Web/Markets/BOINC) inspired by the AddGadgets.com (and Orbmu2k) Windows Sidebar Gadgets

  • Active
  • Other
  • GitHub
  • ★ 75

Other

PascalRAL

Pascal Rapid API Library is the fastest, most feature-rich component suite for developing or consuming Network API applications or web applications.\r\n - Supports RESTFul, RPC, SOAP, MQTT, SSE, etc...

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 75
  • MIT

Networking In the Online Package Manager

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

AMDPlugin

Rainmeter AMD GPU Plugin

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 15
  • GPL-3.0

System

CADSys

Library for Delphi/Lazarus. Allows to use vector graphics, to create complex CAD-like interfaces, in OOP style.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 15
  • MIT License

Graphics In the Online Package Manager

fpc-wayland

Bindings to libwayland and pascal unit generator for the various {protocol}.xml files

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 15

Bindings

AACircuit

Draw circuits using ASCII

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 74
  • GPL-3.0

Graphics

AutoGetIt

automate the GetIt package manager for RAD Studio (Delphi) by calling the command-line tool

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 74
  • MIT

Language Tools

BlackHoleProtocol

The BlackHole Protocol. Secure & server-less file transfer that works over blockchain technology.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 74

Networking

DelphiACME

ACME (Let's Encrypt protocol) Component for Delphi Tokyo 10.2.3 and Rio

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 74

Networking

DelphiGoogleAPI

Using the Google Cloud Platform from your Delphi service on the Google Compute Engine

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 74

Networking

LCDSmartie

The New Official LCD Smartie Repository (LCD Smartie Lazarus port)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 74
  • GPL-2.0

System

PentireFMX

Firemonkey components for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 74
  • Apache-2.0

Other

TONNXRuntime

TOnnxRuntime is a Microsoft ONNXRuntime AI and Machine Learning Library for Freepascal / Delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 74
  • MIT

Bindings

Trolledge

Object Pascal (VCL/FMX) Code Editor for Windows and Mac OSX

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 74

Edit and Memos

ArrayHelper

Delphi class helper for TArray. Class functions Add, Delete, IndexOf, Map and more, including examples and test.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 73

Other

CANcool

Open Source CAN bus Analyser and Simulation Software

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 73
  • MIT

System

DCPCrypt

Cryptographic Component Library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 73

Cryptography

Delphi-EmbeddedWB

inofficial mirror of Delphi Embedded Web Browser (http://www.bsalsa.com/), additional XE2 branch

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 73

Networking

Delphi-WinTaskSched

Delphi interface to Windows Task Scheduler 2.0

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 73
  • MIT

System

hypobrychium

Duplicate not owned Token from Running Process

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 73

Security

KControls

Components for Delphi+Lazarus. Grid, Memo, HexEditor, PrintPreview, PrintSetupDialog, NumberEdit, FileNameEdit, LinkLabel, GradientLabel, ProgressBar etc.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 73
  • BSD-3-Clause-Clear

Grids In the Online Package Manager

OnGuard-VCL

TurboPack OnGuard VCL is a library to create demo versions of your Embarcadero Delphi and C++Builder VCL applications.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 73

Security

pacc

PACC (PAscal C Compiler) is an C compiler, which is implemented in Delphi-7-compatible Object Pascal

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 73

Language Tools

pLua-XE

Easily embed Lua into Delphi and Pascal projects

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 73

Bindings

TRscPix

Componente para desenvolvimento de aplicações com PIX usando o RestDataware

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 73
  • GPL-3.0

Networking

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

wchttpserver

HTTP/2+HTTP/1.1+WebSocket server written with Lazarus (Free Pascal)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 73
  • LGPL-2.1

Networking

DelphiSpec

Delphi library for running automated tests written in plain language

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 72
  • MIT

Other

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

McJSON

A Delphi / Lazarus / C++Builder simple and small class for fast JSON parsing.

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

Other

PDP11GUI

PDP11GUI is an integrated development environment (IDE) for PDP-11’s, running under MS Windows.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 72
  • MIT

System

txquery

TxQuery component is a TDataSet descendant component that can be used to query one or more TDataSet descendant components using SQL statements. It is implemented in Delphi 100% source code, no DLL required, because it implements its own SQL syntax parser and SQL engine.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 72

Database

apophysis-7x

A popular fork of Apohysis, a cosmic recursive fractal flame editor

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 71
  • GPL-3.0

Graphics

dokan-delphi

Dokan Delphi Wrapper

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 71
  • MIT

Bindings

DynamicDataObjects

This Delphi code library lets you model structured data and serialize to/from : CBOR, JSON, MessagePack msgpack.org[Delphi], ION, UBJSON, BSON, Smile, DataObj, etc.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

Other

DzSocket

Delphi Client/Server components to communicate using TCP Socket Asynchronous easily

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 71
  • MIT

Networking

GpSQLBuilder

Simple runtime SQL query builder for Delphi

  • Quiet
  • Package
  • Delphi
  • GitHub
  • ★ 71
  • BSD-3-Clause

Database

htmlparser

delphi html parser（代码是改自原wr960204的HtmlParser）

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 71
  • MIT

Language Tools

ideU

The ide. Universal.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 71
  • GPL-2.0

Edit and Memos

newac

New Audio Components (NewAC) are designed to help your Delphi programs perform different sound processing tasks.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

Multimedia

VSoft.AnsiConsole

A Delphi library for creating engaging console applications

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

System

Doom2D-Forever

Doom2D Forever - A remake of the 1996 game Doom2D by Prikol Software with online multiplayer.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 70
  • GPL-3.0

Games and Game Engines