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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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CryptoLib

Set of units for cryptography, ciphers, security, random numbers. Also contains BigInteger class.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 266
  • MIT License

Cryptography In the Online Package Manager

5.0 from 1 member

QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 714
  • Apache-2.0

Other

QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

  • Active
  • Package
  • Delphi
  • Codeberg

Other

DUnit FMX

DUnit is a framework of classes designed to support the Xtreme approach to software testing. This branch from the principal project, is for transform his visual interface to the new Firemonkey framework, know too as FMX. Current version is only for the old VCL framework. When project finish, it shall work for run unit test in Windows and Mac OS X. And of course for Android and IOS too. Did you need this approach? You can support us saying you like this project and leaving a message, please. You can get the current state of the project with the next URL repository: https://svn.code.sf.net/p/dunitfmx/code/trunk We are going to appreciate all the support!

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

Language Tools

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

Alcinoe

Alcinoe empowers developers to build fast, modern apps without the usual complexity or performance bottlenecks. It keeps the focus on innovation—not tool constraints—delivering top performance, deep customization, and great cross-platform UX while staying independent of GAFA ecosystems.

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 1,134
  • Apache-2.0

Other

Ray4Laz

Headers translation of the Raylib game development library. Inspired by Borland BGI graphics lib and by XNA framework.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 181
  • Copyright (C) 2020-2026 Gunko Vadim

Bindings In the Online Package Manager

Kastri

Cross-platform library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 603
  • MIT

System

dext

Dext - Modern Full Stack Framework for Delphi

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

Networking

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

TFrameStand

TFrameStand and TFormStand: Delphi FireMonkey (FMX) components to show frames and forms through reusable, animated stands: transitions, dialogs, lightboxes, navigation stack, responsive layouts.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 280
  • MPL-2.0

GUI containers

pasvulkan

Vulkan header generator, OOP-style API wrapper, framework and prospective Vulkan-based game engine for Object Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 230
  • Zlib

Bindings Graphics

FB4D

Open Source Library for connecting Firebase by Delphi VCL/FMX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 216
  • Apache-2.0

Database Networking

Delphi-LightSaber

Lots and lots of "goodie" functions and 70 visual controls. More than 15 years of development have been put in this library. The library also wants to be a lightweight replacement for the mammoth Delphi Jedi library.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 157

Other

TaurusTLS

TaurusTLS is an Indy add-on that provides OpenSSL 3.x and 4.x support to Indy. It depends on IndyLaz.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 144
  • TaurusTLS is dual licensed

Networking Security In the Online Package Manager

Delphi-MCP-Server

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

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

Networking

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

kraft

Kraft Physics Engine is an open source Object Pascal physics engine library that can be used in 3D games.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 132

Games and Game Engines

GrijjyCloudLogger

GrijjyCloudLogger, remote logging for Windows, iOS, Android, macOS and Linux

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 116

Networking

MfPack

Delphi translations for Microsoft Media Foundation and related API's

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MPL-2.0

Bindings Multimedia

DX.Pdfium4D

Delphi Cross-Platform Wrapper for Google's PDFium - Object-oriented PDF document handling for Windows, macOS, Android, iOS

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • MIT

Bindings

BeaEngineDelphi

BeaEngine Disassembler Library Binding for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 53
  • MPL-2.0

Bindings

delphi-leakcheck

Multi-platform leak checking library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • Apache-2.0

System

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

GBE3D

Suite de composants 3D pour Delphi Firemonkey

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

Graphics

MobileExperts

Project created to facilitate the day-to-day tasks of developing multi-device Android and iOS applications in Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 33
  • MIT

Lazarus IDE plugins

Dialog4D

A Delphi FMX dialog mechanism with async flow, per-form FIFO queueing, custom themes, worker-thread await support, and telemetry.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 32
  • MIT

Dialogs

TLSLib

TlsLib4Pascal is a fully managed, from-scratch TLS 1.2 + TLS 1.3 stack for modern Object Pascal (Delphi and FreePascal), released under the permissive MIT License.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 32
  • MIT License

Cryptography Networking In the Online Package Manager

DX.Logger

Minimalistic cross-platform logging library for Delphi with extensible provider architecture

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 30
  • MIT

Other

gmlib_v2

Google Maps Library v2 is an open source library that encapsulates the Google Maps API.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 30

Graphics

raylib-pas

A complete header translation (binding) of the raylib 2.6.0-dev to Pascal. Without any funky helper functions for memory alignment issues. Inspired and partially based on the drezgames/raylib-pascal binding, however a little cleaner and more recent, with FPC 3.0.4 support.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 28

Bindings Games and Game Engines

Bitmaps2Video

A Delphi-class to support encoding of a series of bitmaps and video clips to a video file. It requires the ffmpeg-library and is intended as an easy to use interface to this library.

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

Multimedia

IAMClient4D

IAMClient4D is a Delphi client library for integrating applications with Keycloak, providing full OAuth2/OpenID Connect support (including PKCE), token and user management, and a lightweight asynchronous task framework (Async.Core) for thread-safe operations across VCL and FMX.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24
  • Apache-2.0

Security Networking

LogcatD

An extension for RAD Studio that displays logs of android devices

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24
  • MIT

Lazarus IDE plugins

FloatOverlay

FloatOverlay - Library for Creating Floating UI Elements on Android with Delphi FireMonkey

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 19

System

libtml-pascal

TML Object Pascal Components

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 19
  • LGPL-2.1

Networking

MCH_Delphi_Software

Delphi In-memory databases and miscellaneous projects.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

Database

skia-flowmotion

Delphi RAD Studio Skia Flowmotion - Animated Image gallery/grid component

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Graphics

WDDelphiTools

Collection of Delphi units and tools from Waldemar Derr

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • MIT

Other

Colligo

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 15
  • MIT

Other

BlackShark

Black Shark Graphics Engine

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 13

Graphics

ImageMagick-API-Delphi

ImageMagick library API for Delphi (VCL and FMX) in Win32, Win64, Android and Linux apps

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

Bindings

Nidus

Nidus Modular Framework

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 12
  • MIT

Other

sdk-lite

RealThinClient SDK v8.04 - LITE

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 12

Networking

BindAPI

A library built with Delphi 12 CE to bind properties and fields among class instances with attributes and few lines of code.

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 11
  • MIT

Other