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Catalog

30,057 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.

LazLightFileStream

Implements a lightweight, high-performance, non-allocating advanced-record-based wrapper around the SysUtils file handling routines as an alternative to Classes.TFileStream.Compatible with Free Pascal 3.1.1+

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 32
  • MIT License

Files and Drives In the Online Package Manager

CompareTextUnicode

Delphi's System.SysUtils.CompareText function doesn't consider all unicode lowerCase-to-upperCase pairs. This code implements a CompareTextUnicode function that is based on a small set of constant lookup tables from the official data files produced by unicode.org

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 7
  • MIT

Other

Exceptions

Simple exception handling for Delphi that doesn't require the bloat of the RTL (SysUtils)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • GPL-3.0

Other

LiteUnits

Lightweight Delphi units to replace heavy system units like SysUtils. I did not write these, I only maintain them for personal projects.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 11

System

SysTools

Lazarus port for TurboPower SysUtils. Bar codes, sorting, money routines, high-precision math, math expression analyzer, astronomical functions etc.

  • Package
  • Lazarus
  • SourceForge
  • MPL 1.1, MPL-1.1

Other In the Online Package Manager

noe

A neural network framework (with autograd!) for object pascal 🧠

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 89
  • MIT

Science

delphi-neon

JSON Serialization library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 364
  • MIT

Other

SimpleBaseLib4Pascal

Object Pascal library for encoding/decoding Base16, Base32, Base58, Base64, Base85.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 67
  • MIT

Other

xdpw

XD Pascal: A small embeddable self-hosting Pascal compiler for Windows. Supports Go-style methods and interfaces

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 296
  • BSD-2-Clause

Language Tools

Delphi-Mocks

A Open Source Mocking framework for Delphi XE2 or later

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 252
  • Apache-2.0

Language Tools

tsmbios

Library to access the SMBIOS using Object Pascal (Delphi, FPC).

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 219
  • MPL-2.0

System

DelphiGrpc

DelphiGrpc is a Delphi implementation of the realtime and streaming gRPC protocol (http://grpc.io).

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 189
  • Apache-2.0

Networking

MyHomeLib

MyHomeLib – комп'ютерна програма для керування домашньою бібліотекою електронних книг. MyHomeLib може використовуватися не тільки для каталогізації колекції файлів з електронними книгами, але і як клієнт для роботи з бібліотекою Лібрусек та іншими бібліотеками на движку Лібрусек (Флібуста та іншими подібними).

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 169
  • MIT

Database

WebUI4Delphi

WebUI4Delphi is a WebUI wrapper, which allows you to use any web browser as a GUI, with Delphi or Lazarus/FPC in the backend and HTML5 in the frontend.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 163
  • MIT

Bindings

EasyDBMigrator

EasyDbMigrator is a database migration library designed for Delphi(Microsoft SQL SERVER, Oracle, MySQL, MariaDB, PostgreSQL, and Firebird. https://getitnow.embarcadero.com/EasyDBMigrator

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 155
  • MIT

Database

Delphi-GCharts

Delphi-GCharts is a Delphi library of components to generate charts in uniGUI Framework using the Google Charts API

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 146
  • Apache-2.0

Charts and Graphs

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

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

System

Delphi-MCP-Server

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

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

Networking

Lape

Scripting engine for Lazarus/Delphi with a Pascal derived syntax.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 143
  • GNU Lesser GPL

Language Tools In the Online Package Manager

jhonson

Middleware for parse JSON in HORSE

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 132
  • MIT

Networking

Router4Delphi

Framework para Criação de Rotas de Telas para FMX e VCL

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 120
  • MIT

Other

bhyvemgr

Bhyve management GUI written in Freepascal/Lazarus

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 105
  • BSD-3-Clause

System

MfPack

Delphi translations for Microsoft Media Foundation and related API's

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

Bindings Multimedia

QRCodeGenLib4Pascal

Generates QR Codes from text strings and byte arrays.

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

Graphics

CrystalLUA

Lua binging for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 63
  • MIT

Bindings

horse-basic-auth

Middleware for Basic Authentication in HORSE

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

Security

IntXLib4Pascal

Arbitrary Big Integer Library for Pascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 56
  • MIT

Other

MultiLog4D

Biblioteca para criação de logs de aplicativos Android

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 55
  • Apache-2.0

Other

GBWinService

Run yours VCL's applications as StandAlone and WinService

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 54

System

BeaEngineDelphi

BeaEngine Disassembler Library Binding for Delphi

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

Bindings

BaseNcodingPascal

Library for encoding of binary data into strings using base32, base85, base128 and other algorithms for FPC and Delphi.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 52
  • MIT

Other

greyhound

Greyhound is a tiny ORM-ish for Free Pascal.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 50

Database

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

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

Networking

handle-exception

Middleware for handle exception in HORSE

  • Active
  • Library
  • Lazarus and 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

MCPConnect

Building MCP servers with Delphi

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

Networking

ReduxDelphi

ReduxDelphi is a predictable state container for Delphi apps utilizing a unidirectional data flow. Inspired by https://github.com/reactjs/redux .

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

Other

REST4Delphi

REST4Delphi is a powerful framework based on DMVCFramework for REST web solution in Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • Apache-2.0

Networking

SafeThread4D

Fluent, cooperative, UI-safe background task runner for Delphi FMX, with cancellation, timeout, progress, lifecycle callbacks, and optional mobile UI liveness diagnostics.

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

System

LLCL

LLCL - FPC/Lazarus Light LCL

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 45
  • MPL-2.0

Other

ormbr

ORMBr Framework for Delphi (Isaque Pinheiro)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 44
  • LGPL-3.0

Database

DelphiRTL

Part of the RTL2 project, a Delphi-compatible RTL and non-visual VCL library implementation.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 43

Other

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

BuilderUI

Forms Builder UI for Windows

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 40

Applications

CapstoneDelphi

Capstone Disassembler Library Binding for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 40
  • MPL-2.0

Bindings

EmailValidationPascal

Simple Class for Validating Email Address Syntax in Pascal/Delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 39
  • MIT

Networking

SimpleRestClient

A Simple Fluent Rest Client based on Indy's IdHttp for Delphi XE* and up.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

TGBotMini

Telegram Bot Mini API

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • MIT

Networking