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30,061 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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legacy-delphi-modules

Production-grade Delphi modules for managing logical record locks in legacy enterprise software

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1

Other

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

DailyPascalModules

📦 Lightweight, zero-dependency Object Pascal micro-modules. Software CPU blitting for retro systems + unified OpenGL bindings for modern hardware. Pure FPC, plug-and-play.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • BSL-1.0

Graphics

Lightweight-Python-Wrappers

Lightweight Wrappers based on Python4Delphi to make it easy to import Python modules into Delphi components.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 42
  • MIT

Bindings

dmfbr

DMFBr - Modular Development Framework for Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 16
  • GPL-3.0

Other

ZFM SDK

Library for Delphi/Lazarus to support ZhianTec Fingerprint Modules (ZFM), for Windows and Linux.

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • Copyright (C) 2011 Philipp Meisberger <team@pm-codeworks.de>

System In the Online Package Manager

LAMW

Lazarus Android Module Wizard. IDE wizard to create Android modules (.so) and packages (.apk).

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 294
  • LGPL

Lazarus IDE plugins In the Online Package Manager

AppFeaturesPkg

MIRROR REPO! --- A FreePascal package for Lazarus IDE that provides several modules for customizing GUI applications and implementing standard application functionality: AppTuner, AppSettings, AppLocalizer

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Lazarus IDE plugins

components

auxiliary modules

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1

Other

AppFeaturesPkg

A FreePascal package for Lazarus IDE that provides several modules for customizing GUI applications and implementing standard application functionality: **AppTuner**, **AppSettings**, **AppLocalizer**

  • Active
  • Package
  • Lazarus
  • GitLab

Other

AReason

Artificial Reason Kernel and modules

  • Quiet
  • Library
  • SourceForge
  • BSD License

Science

libusbK

libusbK is a complete driver/library solution for vendor class usb device interfaces. If you are a usb developer or usb device manufacturer seeking a driver solution for a new USB widget then libusbK could be for you. libusbK encompasses a 100% WinUSB compatible api/funtion set. All WinUSB power/pipe polices are fully supported by the libusbK driver. In Addition, libusbK has full support for isochronous endpoints and an extensive set of additional modules to simplify development. Source code repository using github: https://github.com/mcuee/libusbk

  • Quiet
  • Library
  • SourceForge
  • BSD License, GNU General Public License version 3.0 (GPLv3)

System

Python for Delphi (P4D)

. Delphi FPC Set of free components that wrap up the Python dll into Delphi and Lazarus FPC. They let you easily execute Python scripts, create new Python modules and new Python types. You can create Python extensions as dlls and much more

  • Library
  • Lazarus and Delphi
  • GitHub

Language Tools

SBW (Systems Biology Workbench)

The Systems Biology Workbench(SBW) is a framework for application intercommunications. It uses a broker-based, distributed, message-passing architecture, supports many languages including Java, C++, Perl & Python, and runs under Linux,OSX & Win32. It comes with a large number of modules, encompassing the whole modeling cycle: creating computational models, simulating and analyzing them, visualizing the information, in order to improve the models. All using community standards, such as SED-ML, SBML and MIRIAM.

  • Quiet
  • Library
  • SourceForge
  • BSD License

Science Networking

Spring4D

. Delphi Open-source code library for Embarcadero Delphi 2010 and higher. It consists of a number of different modules that contain a base class library common types, interface based collection types, reflection extensions and a dependency injection framework. Includes Encryption Library.

  • Library
  • Delphi
  • Bitbucket

Other

b2

General purpose modules for Delphi 2006 and higher (no unicode support)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3

Other

POCGL

Pascal Open[C,G]L (modules)

  • Active
  • Library
  • GitHub
  • ★ 3
  • Unlicense

Bindings

CGI

CGI applications with data modules.

  • Package
  • Lazarus
  • LGPL

Networking In the Online Package Manager

DelphiWebScript

DelphiWebScript is a scripting language for use in Borland Delphi(tm) projects. The programming language is similar to Delphi. It's HTML features are optimal for web applications and report modules.

  • Quiet
  • Library
  • Delphi
  • SourceForge
  • Mozilla Public License 1.0 (MPL)

Language Tools

madKernel

. Delphi The package is about Kernel Objects for the biggest part. The most important object types are wrapped up in interfaces, utilizing all the specific kernel32 APIs. Has interface wrappers for: Events, Mutexes, Threads, Processes, Windows, Modules, Tray Icons, shared memory buffers.

  • Library
  • Delphi

System

Vaco

Vaco is a library contains set of scripts that provide an extendable API (using additional modules) to build web applications. It has some features like database management, authentication or localization.

  • Quiet
  • Library
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

Networking

additional_modules

Additional Moduls - Дополнительные модули

  • Quiet
  • Library
  • GitHub
  • ★ 2

Other

OurPascalModules

Модули для паскаля такие как математика и т.п.

  • Quiet
  • Library
  • GitHub
  • ★ 2

Other

IISModules4Delphi

Um pacote para integrar com o ISS 7.x ou superior com a nova estrutura de módulos existente.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Networking

delphimvcframework

DMVCFramework (for short) is a popular and powerful framework for Web API and Web Applications in Delphi. Supports RESTful and JSON-RPC WEB APIs development.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1,420
  • Apache-2.0

Networking

python4delphi

Free components that wrap up Python into Delphi and Lazarus (FPC)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1,063
  • MIT

Bindings

ZXing.Delphi

ZXing Barcode Scanning object Pascal Library for Delphi VCL and Delphi Firemonkey

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 526
  • Apache-2.0

Graphics

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

dext

Dext - Modern Full Stack Framework for Delphi

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

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

RealThinClient-SDK

RealThinClient SDK - Delphi components for building HTTP(S) applications

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 190

Networking

Core

Ultibo Core

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 187

System

Trysil

A lightweight, attribute-driven ORM for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 160
  • BSD-3-Clause

Database

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 146
  • MIT

System

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

MetaDarkStyle

Metadarkstyledsgn.lpk is a package that adds dark theme to Lazarus trunk IDE. System requirements: Windows10 1809 or later FPC 3.2.2 or trunk Lazarus 2.2.6 or trunk

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 133

Lazarus IDE plugins In the Online Package Manager

mrmath

Delphi matrix library

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

Science

InstantObjects

Pupular OOP-OPF Library for Delphi (from DXE6 to latest version)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 107
  • MPL-2.0

Database

libpascurl

libPasCURL is delphi and object pascal wrapper around cURL library. Library for transferring data with URL syntax, supporting HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, LDAP, LDAPS, FILE, IMAP, SMTP, POP3, RTSP and RTMP.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 90
  • GPL-3.0

Bindings Networking

QRCodeGenLib4Pascal

Generates QR Codes from text strings and byte arrays.

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

Graphics

protobuf-delphi

Fast and simple implementation of Protocol Buffers for Delphi. Now we support code generation for the classes. Next, we plan to add reflection and records using memory regions.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 57
  • GPL-3.0

Other

dduce

DDuce library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 53
  • Apache-2.0

Other

FormatConverter

Pacote de conversão entre formatos (JSON, XML, CSV, etc) para Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Other

Delphi-SAML

A SAML implementation for Delphi developers

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 40
  • Apache-2.0

Security

CWStudio-Components-Library

Modern Windows 11 / WinUI 3 (Fluent UI v9) styled VCL components for Delphi / RAD Studio.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • MIT

Other

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • BSD-3-Clause-Clear

Other

class-helpers

Directory of Delphi VCL/RTL class helpers

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 35
  • MIT

Other

horse-WS

Middleware for WS in HORSE

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6

Networking

DeepL4Delphi

Delphi library and sample projects for using the translation API provided by DeepL.com

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 31
  • AGPL-3.0

Networking

dolphin

A Delphi/Object Pascal ML framework: GPT-style Transformers + GPU training + tabular DataFrames

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 27

Science

InfraFramework4Delphi

API that provides a base infrastructure for the Delphi application development using a layered architecture.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 26
  • Apache-2.0

Other

KittoX

A Delphi framework for creating data-driven WEB SPA applications with HTMX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 26
  • Apache-2.0

Networking Database