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Catalog

30,080 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.

LazSerial

Component to work with serial port.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 62

System In the Online Package Manager

wasm

A fast Pascal (Delphi) WebAssembly interpreter

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • Apache-2.0

Language Tools

CGACompatibilityTester

The CGA Compatibility Tester: Tests ISA videocards for register-level compatibility with CGA

  • Active
  • Application
  • GitHub
  • ★ 61

System

Codrut-Fluent-Design-System

Codrut Fluent Design System is a suite of VCL components for Delphi made to mimic the design language of Windows 11. These are all standard components made to work best with each other.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 61

Other

delphi

  • Quiet
  • Other
  • Lazarus
  • GitHub
  • ★ 61

Other

huntpad

An open-source notepad with features that are particularly useful to penetration testers

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 61
  • BSD-3-Clause

Security

IAMP

InstallAware (Multi Platform) 2026

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 61

Files and Drives

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

LVCL

Light VCL replacement for Delphi 7

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 61

Other

memorymodule

With BTMemoryModule for Lazarus and Delphi a dynamic link library (DLL) can be loaded from memory without storing it on the hard-disk first. BTMemoryModule is a Pascal port of Joachim Bauch's C / C++ Memory Module. The port includes the complete memorymodule pascal sourcecode and examples to demonstrate the use.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 61

System

OpenSSL-Delphi

Automatically exported from code.google.com/p/openssl-delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 61

Bindings

OrangeUI

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 61

Other

TntUnicode

TNT Unicode controls for Delphi. Last free version before source code was sold.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 61

Other

base

Base classes and routines for Delphi and Free Pascal

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 12

Other

dasmjit

x86/x64 JIT Assembler for Pascal

  • Quiet
  • Library
  • GitHub
  • ★ 12
  • Zlib

Language Tools

glidetrace

Glide2x capture and replay tools

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 12

Graphics

pdfium4laz

Object Pascal bindings and visual components for the PDFium library, for Free Pascal and Lazarus. It lets you view, search, extract content from and edit PDF files without any external tools - only the PDFium shared library is required.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 12
  • MIT

Bindings In the Online Package Manager

TSizeCtrl

Non-visual Delphi component to enable runtime moving and resizing of controls.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 12
  • MIT

Sizers and Scrollers

cbsenum

Windows package listing and uninstallation

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 60

System

datalogger

DataLogger foi projetado para ser uma biblioteca simples de log com suporte a vários providers.

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

Other

DX.Comply

Generate CycloneDX SBOMs for Delphi projects — EU Cyber Resilience Act compliance in one click

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 60
  • MIT

Security

ekeyfinder

Archive of my sourceforge project Enchanted Keyfinder. Software key retrieval on Windows.

  • Quiet
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 60
  • GPL-3.0

System

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

FWHexView

Hex Viewer Project

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 60
  • MIT

System

HxD_DasmDataInspectorPlugin

A generic Disassembly Plugin for Maël Hörz's HxD Freeware Hex Editor and Disk Editor.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 60
  • Apache-2.0

System

james

James is a collection of object-oriented Pascal primitives for Lazarus and Delphi

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 60
  • MIT

Other

LCLExtensions

Set of helper functions (CreateBitmapMask, OptimalPixelFormat, OSSupportsUTF16, Win32-like wrappers, etc), class TOLEStream.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 60
  • Modified LGPL

ListViews and TreeViews In the Online Package Manager

LuiPack

Set of components: UniqueInstance, SQLite, Cairo, ChronoLog, DataHub, LibreReport, LuiApp, JSONUtils, LuiPresentations, LuiDialogs, RESTSqlDb etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 60
  • GPL, Modified LGPL

Other In the Online Package Manager Orphaned in the Online Package Manager

multithread

Исходники к моей "книге" по многопоточному программированию в Delphi для начинающих

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 60

Learning and Examples

ndyacclex

Parser generator toolset for Delphi (Yacc & Lex)

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 60
  • GPL-2.0

Language Tools

nsm

Non Stick Mouse. A simple app which allows the mouse to hop over the corners of multiple monitors in Windows 10.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 60

System

PasBuild

Build automation tool for Free Pascal projects.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 60
  • BSD-3-Clause

Language Tools

QuickDAO

Simple Data Access Object library with LinQ and multiengine support for (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux)

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 60
  • Apache-2.0

Database

Reiniero-fpcup

fpcup (and fpclazup) are installers for FPC (and Lazarus).

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 60

Language Tools

telegram-bot-delphi

A simple example of integration with a telegram bot API.

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 60
  • Apache-2.0

Networking

TSWebDriver4Delphi

TSWebDriver4Delphi is a library for Web Testing and Automation

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 60
  • MIT

Networking

WingetPosh

Winget helper written in Powershel

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 60
  • MIT

System

WSBBuilder

Easy GUI to generate Windows sandbox configuration files.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 60

System

yzfuture

鱼住未来相关开发资料

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 60

System

ccdciel

A CCD capture software intended for the amateur astronomer.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 59

Science

Delphi-WebMocks

Library for stubbing and setting expectations on HTTP requests in Delphi with DUnitX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 59
  • Apache-2.0

Networking

DelphiCraft

Delphi Minecraft clone based on https://www.michaelfogleman.com/projects/craft/

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 59
  • GPL-3.0

Games and Game Engines

diocp3

delphi iocp model, iocp-engine, iocp-socket, iocp-task

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 59
  • BSD-2-Clause

Networking

DzTalkApp

Delphi non-visual component to communicate between applications

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 59
  • MIT

Networking

FontIconEditor

An ImageList component editor to handle font icons

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 59
  • Apache-2.0

Graphics

FreeReport

FreeReport 2.3 consists of a report engine, a designer and a previewer.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 59

Reporting

horse-basic-auth

Middleware for Basic Authentication in HORSE

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 59
  • MIT

Security

makestudio

Setup your Delphi Environment very easily - build your projects with more comfort

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 59

Language Tools

templatepro

TemplatePro is a powerful and extendable template language for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 59
  • Apache-2.0

Other

TransactionMaster

A tool for Windows that can make any program work within file-system transactions.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 59
  • GPL-3.0

System

d7zip

A Delphi Wrapper around 7z.dll

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 58

Files and Drives

DataPort

Thread-safe port for data exchange. Supports network (TCP/UDP/HTTP), serial port, etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 58
  • The MIT License (MIT)

Networking In the Online Package Manager