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Catalog

30,099 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.

jxmarshal

json and xml Marshal/UnMarshal

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Other

KeyGenAPI

Delphi component to access the KeyGen.io API

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Security

Keystone

Sistema de login/cadastro full-stack - Vue 3 + API REST em Delphi (Horse) + SQL Server, com senhas em hash e auditoria de alterações

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 6

Database

KnockoutOP

KnockoutOP combines the observable type from the KnockOff library with the DelphiHTMLComponents library to provide an HTML-based MVVM framework for Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • Apache-2.0

Data controls

kvmtest

This sample demonstrates KVM API to manage VMs from FreePascal.

  • Quiet
  • Other
  • Lazarus
  • GitHub
  • ★ 6

System

lazarus_old

Lazarus IDE / None-official mirror. - - - Official svn repository svn.freepascal.org/svn/lazarus - - - To report issues use the bugtracker at https://bugs.freepascal.org/main_page.php - - - Pull Requests must be pre-agreed with me on the official Lazarus mailing-list or forum. This usually will be ok for SynEdit or the Debugger.

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 6

Language Tools

lazarus-mcp-assistant

Bring Anthropic's MCP to Lazarus IDE. Let AI assistants natively code, refactor, debug, and design forms in Object Pascal.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 6
  • BSD-3-Clause

Lazarus IDE plugins

LazComponents

Ported Delphi Components to Lazarus

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 6

Other

lazcomport

Lazarus ComPort Library

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 6

System

LAZE-3D

LAZE-3D is a cross-platform Pascal (Lazarus) rewrite project of MASMZE-3D (v1.1), a half-game, half-(tech)demo made on MASM32 and WinAPI.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • GPL-3.0

Games and Game Engines

LazLpSolveIDE

Lazarus port of LpSolveIDE

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • LGPL-2.1

Science

Leap

Little Edge Apps

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6
  • GPL-3.0

GUI containers

ledger

generic ledger implementation for basic accounting

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 6
  • MIT

Database

lib.InterlockedOps

Set of functions providing atomic operations (addition, subtraction, exchange, ...) on variables. Created as a replacement and extension of interlocked functions provided by WinAPI.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MPL-2.0

System

lib.SimpleNamedValues

Very simple library providing a list of name-value pairs. Intended to be used for argument passing.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MPL-2.0

Other

lib.SyncThread

Very simple library providing TThread descendant that is able to synchronize with (execute its method in context of...) any other cooperating thread.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MPL-2.0

System

lib.ZLibUtils

Provides several classes designed to ease data compression and decompression using ZLib library.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MPL-2.0

Files and Drives

libgit2-fp

Thin Free Pascal wrapper for libgit2

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 6
  • BSD-3-Clause

Bindings

libphonenumber-pascal

Pure Object Pascal port of Google's libphonenumber for Delphi and FreePascal: parse, validate, format and find phone numbers, with the upstream metadata compiled in.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • Apache-2.0

Other

libToffee

RTL for RemObjects Elements for Cocoa

  • Active
  • Library
  • GitHub
  • ★ 6
  • BSD-2-Clause

Bindings

Light_Dark_side

Détecter le mode sombre ou clair de l'OS pour le prendre en compte au niveau du style

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6

System

Localizator

Delphi VCL Localizator that can be easy adapted for FMX

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Other

LocalStorage4Pascal

Pequena biblioteca que simula o LocalStorage do Browser no Delphi para aplicações Desktop e Mobile

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

Database

locate

A locate-like (Unix) utility for MSX, to be used in MSX-DOS 2.

  • Active
  • Other
  • GitHub
  • ★ 6

Files and Drives

Logo-Maker

A simple lazarus program to make simple text logos

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • Apache-2.0

Graphics

loodsman

Библиотеки и примеры приложений для ЛОЦМАН:PLM

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MPL-2.0

Other

lookfits

Lister-plugin a Total Commander for view FITS files

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Science

LsfWin

A graphical UI library written in Turbo Pascal 5.5.

  • Archived
  • Library
  • GitHub
  • ★ 6
  • MIT

GUI containers

ltk_analisador_lotofacil

Este programa analisa os resultados da lotofacil e gera as estatística na tela, de pares, ímpares, entre outros. Este programa usa dados disponíveis em um banco de dados disponível em: https://github.com/fabiuz/ltk_loteria_caixa

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 6

Science

LUX.FMX

luxidea 製の FireMonkey 拡張ライブラリ。

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6

GUI containers

LUX.Geometry

luxidea 製の 幾何学 ライブラリ。

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6

Graphics

LUX.GPU.OpenCL

OpenCL Library for parallel computing on the GPU.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • Apache-2.0

Bindings

M2Migrator

Migrations to delphi

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6

Database

m3editor

Program to directly edit M3 models

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • GPL-3.0

Graphics

MacroPad

Arduino based Macro Keyboard software for Windows

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6
  • GPL-3.0

System

MAF

Modular Application Framework

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • Apache-2.0

Other

Management-Remote-PC

Monitoring and management of computers on a local network

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6
  • GPL-3.0

Networking

marsGameServices

A backend server for games built using MARS-Curiosity REST Library

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6
  • MPL-2.0

Networking

mathdrill

Math Drill app, helpful for grade school kids learning basic math facts.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6

Applications