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Catalog

30,060 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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delphi-entities-validators2

Delphi Entities Validators 2 is a small framework that provides an easy and ready-to-use interface for entities validation with binding to controls on the form.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • Apache-2.0

Other

DelphiHTMLEntities

Unit for decoding HTML entities, since the RTL implementation is severely lacking in entity support

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • Unlicense

Other

CpME

Codepage Mapping Editor for converting DOS ASCII characters to UTF-8 and HTML Entities

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • BSD-3-Clause

Edit and Memos

JPPack

A collection of VCL/LCL components for Delphi/Lazarus - buttons, panels, LinkLabel, ProgressBar, ColorComboBox, ColorListBox, Timer and other

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 159

Other

delphi-neon

JSON Serialization library for Delphi

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

Other

zcad

Simple CAD program

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 338

Graphics

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

QuickCore

Delphi Core Framework to fast build desktop/mobile/web apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 163
  • Apache-2.0

Networking

Trysil

A lightweight, attribute-driven ORM for Delphi

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

Database

AIO

Coroutine-based multithreading library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 121
  • Apache-2.0

System

pixie

A lightweight HTML/CSS rendering engine for Free Pascal (Lazarus) and Delphi (VCL & FMX).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 25
  • MIT

Graphics

ezdml

Lightweight data modeling and design tool (超轻量级的数据建模表结构设计工具)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 103
  • LGPL-2.1

Database

delphi-websocket

An easy-to-use lightweight Delphi WebSocket Server based on Indy

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 86
  • MIT

Networking

graphql

GraphQL for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 70
  • Apache-2.0

Networking

PasClaw

Ultra-lightweight native AI agent framework written entirely in Object Pascal for Delphi and Free Pascal, designed for performance, portability, and extensibility.

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

Science

bbutils

A bunch of important low-level functions missing in FreePascal, e.g. string or array manipulation functions.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 46

Other

mockjsonapi

A mock server for a generic JSON API built with Delphi and delphimvcframework

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 41
  • Apache-2.0

Networking

nats.delphi

Delphi client for NATS, the cloud native messaging system.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 41
  • MIT

Networking

csscontrols

Implementation of basic css drawing for pascal (fpc, lazarus, delphi)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 38
  • Apache-2.0

GUI containers Graphics

SimpleAI

Simple NLP with Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 32

Science

jcore

Some FPC classes and frameworks I have implemented so far

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 29

Database

SnowFlakeID-Delphi

Snowflake's unique identifier generation system for objects within a distributed system or database.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 25
  • MIT

Other

FluentXML

Object of generating XML document using Fluent Design Pattern.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21

Other

BookPart_3

This project will accompany Part 3 of Writing an Interpreter in Object Pascal.

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 18
  • Apache-2.0

Learning and Examples

Boss4Delphi

Gerenciador de dependências nativo, moderno e leve para projetos Delphi, desenvolvido sob arquitetura hexagonal e com suporte a downloads concorrentes.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 17
  • Apache-2.0

Language Tools

BlackShark

Black Shark Graphics Engine

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 13

Graphics

effectus

Effectus by Boštjan Gorisek

  • Quiet
  • Application
  • GitHub
  • ★ 13

Other

MVC_AR_EntityGenerator

Datasets properties to generate MVCActiveRecord Descendants classes and more.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 13
  • Apache-2.0

Database

texrex

texrex web page cleaning & ClaraX random walk crawler

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 11
  • BSD-2-Clause

Applications

PapajLang

:uk:🌐 Reverse Polish Notation (RPN) Calculator and interpreter of PapajScript language

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 10

Language Tools

ManagerORM

ORM Object Relational Mapping Manager is an unit that map FDQuery to object<T>

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • GPL-3.0

Database

XkcdDelphiCli

Full CLI interface to XKCD powered by Delphi demonstrating graphics in the terminal.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • GPL-3.0

Graphics

dOPF

Sleek, intuitive, and fast object persistence (opf/orm) for faster and easier database development

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 7

Database In the Online Package Manager

Delphi-Countries

The Delphi port of the countries rubygem : All sorts of useful information about every country packaged as convenient little country objects.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6

Other

moon2d

A 2D platformer written in Delphi in 2008, rebuilt from scratch on modern Delphi + SDL2 eighteen years later. Same game, same arithmetic.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5
  • MIT

Games and Game Engines

DFDataSync

Data Synchronization and Replication Framework for Modern Delphi Applications

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Database

Janus

Janus is a dual-faced data bridge between object models and relational databases

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Database