Sign in Join

Live chat for Free Pascal, Lazarus, Delphi and every Pascal programmer.

Catalog

30,059 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.

Random project How the catalog works

PreviewHandler-VCL-

Simple Preview Handler Component for VCL applications on Win32

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6

Other

FileAss

File associations for Lazarus applications on Windows and Linux, with a nonvisual component and custom document icons.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 2

Files and Drives Bindings

5.0 from 1 member

CrossDragDrop

Native drag and drop for existing Lazarus controls: two nonvisual components, text and files, with visual feedback. GTK2, GTK3, Qt5, X11 and Wayland. 0BSD.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1

Bindings GUI containers

5.0 from 1 member

DzHTMLText

Delphi and Lazarus HTML Label component

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 229
  • MIT

Labels

4.0 from 1 member

The-Drag-and-Drop-Component-Suite-for-Delphi

. Delphi VCL component library that enables your Delphi and C++Builder applications to support COM based drag and drop and integrate with the Windows clipboard.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 183
  • MIT

System

protcom

ProtCOM - Protected mode serial port handler for DOS (FreePascal unit)

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 1
  • CC0-1.0

System

Delphi-Crash-Reporter

Cross-platform Delphi crash/exception reporter (Linux, macOS, Android, iOS) that emits EurekaLog .el-format reports (open in the EurekaLog Viewer): call stacks, CPU registers, modules, source line numbers. RTL-only core, no FMX dependency, no EurekaLog license required.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • BSD-2-Clause

System

2.0 from 1 member

handle-exception

Middleware for handle exception in HORSE

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 48
  • MIT

Networking

kxBSON

Binary-JSON stream handler

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • MIT

Other

lib.UtilitySignal

Small library designed to ease setup of real-time signal handler in Linux.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4
  • MPL-2.0

System

SecureSQLHandler

A secure SQL query handling library for Delphi applications that provides obfuscation and protection for SQL statements and parameters.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • MIT

Database

FileMenuHandler

Component to do usual file actions: New, Open, Save, Save As, with bindings to MainMenu.

  • Package
  • Lazarus
  • SourceForge

Menus In the Online Package Manager

FileMenuHandler

Component for handling Recent files list and Open, Save, Save As, Exit Commands. Uses a ini file for the recent list.

  • Library
  • Lazarus

Menus

horse

Fast, opinionated, minimalist web framework for Delphi

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

Networking

JPPack

A collection of VCL/LCL components for Delphi/Lazarus - buttons, panels, LinkLabel, ProgressBar, ColorComboBox, ColorListBox, Timer and other

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 159

Other

LazWebsockets

Websocket Server and Client Library written in Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 123
  • BSD-3-Clause

Networking

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

NetCom7

The fastest communications possible. Delphi rulez.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 218
  • MIT

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

DebugEngine

Delphi debug framework

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 193
  • MPL-2.0

System

QuickCore

Delphi Core Framework to fast build desktop/mobile/web apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 163
  • Apache-2.0

Networking

mod_pascal

Apache 2.4 module to allow Pascal program to be executed just like scripting language

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 31
  • LGPL-2.1

Networking Language Tools

Delphi-MCP-Server

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

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

Networking

nx-horizon

NX Horizon - Event Bus for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 132
  • MIT

Other

AIO

Coroutine-based multithreading library for Delphi

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

System

ComPort-Library

COM Port Library for Delphi (fork from SourceForge)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 99

System

DelphiGoogleMap

Delphi WebView2 Component to View Google Map with Routing and Markers Support

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 98
  • Apache-2.0

Other

FpTelegram

Telegram bots API library

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

Networking In the Online Package Manager

DelphiACME

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

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 74

Networking

newac

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

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

Multimedia

xxm

Combine Delphi and HTML code in the same source files to compile a website into a library that runs on IIS, Apache httpd, CGI, SCGI, on http.sys or raw no-frills HTTP...

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 69
  • MIT

Networking

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

VSoft.Messaging

Simple internal application messaging for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 64

Other

mqtt

MQTT Client/Server Componet Set for FPC/Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 62

Networking

RADWinUI

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

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

Other

zx-skiacomponents

An open-source set of Delphi components for the FireMonkey framework that utilize the Skia4Delphi library.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Graphics

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 48
  • MIT

Networking

WThread

Helper classes to support simple multi-threading.

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 48
  • Apache License

System In the Online Package Manager

GR32PNG

The GR32PNG library has been incorporated into the Graphics32 library and is no longer independently maintained.

  • Archived
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 47

Graphics

horse-logger

Middleware for access logging in HORSE

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Networking

Chart4D

Native Delphi charting library for VCL and FMX: clean newspaper-style defaults, PNG export, zero dependencies

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 43
  • MIT

Charts and Graphs

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

DelphiEventBus

Implementation of event bus pattern for Delphi XE

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 41
  • MIT

Other

KyoukaiFramework

Web framework like CodeIgniter in Pascal. (In experimental stage).

  • Archived
  • Package
  • Lazarus
  • GitHub
  • ★ 41
  • LGPL

Networking In the Online Package Manager

kyoukai_framework

The Kyoukai (境界), A Simplified Pascal Web Framework

  • Archived
  • Package
  • Lazarus
  • GitHub
  • ★ 41

Networking

nats.delphi

Delphi client for NATS, the cloud native messaging system.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 41
  • MIT

Networking

STAX

Singe Threaded Asynchronous Exexcution (STAX) framework for implementing asynchronous event scheduling similar to javascript or python co-routines

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 41
  • BSD-2-Clause

Other

Hooks

Keyboard and Mouse hooks as classes

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 40
  • MIT

System