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Catalog

30,058 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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dataset-serialize

JSON to DataSet and DataSet to JSON converter for Delphi and Lazarus (FPC)

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 746
  • MIT

Database

dataset-serialize

JSON to DataSet and DataSet to JSON converter for Delphi and Lazarus (FPC)

  • Active
  • Library
  • Lazarus and Delphi
  • Codeberg

Database

xEdit-json-export

Scripts for exporting data in json format from xEdit for Bethesda games

  • Quiet
  • Library
  • GitHub
  • ★ 7
  • GPL-3.0

Language Tools

JSONLIB-TP

Bibliothèque en Turbo Pascal permettant de créer des fichiers JSON, exporter,..

  • Quiet
  • Library
  • GitHub
  • ★ 1
  • MIT

Other

LazJsonViewer

A small tool to view, prettify and save json files

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 7
  • GPL-2.0

Edit and Memos

jsonchimera

Automatically exported from code.google.com/p/jsonchimera

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 5

Other

json-fpk

Automatically exported from code.google.com/p/json-fpk

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 1

Other

tiny-json

Automatically exported from code.google.com/p/tiny-json

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1

Other

VittixDBGridController

Advanced feature-rich VCL DBGrid replacement for Delphi with filtering, grouping, summaries, and multi-format export support

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • MIT

Data controls

TinyJSON

mirror at GH Delphi This is a small and clean library for associative arrays with Boolean / Integer / Float / WideString values. Allows import export from to JSON text. Extensive error-checking. Uses FunHash by Sokolov Yura, HatTrie by Daniel C. Jones, FastInt64 and FastMove by FastCode project.

  • Library
  • Delphi
  • SourceForge

Other

BibliotecaGD--FMX

A versatile collection of Delphi custom components for enhancing UI development and facilitating VCL to FMX migration, featuring advanced styling and database connectivity.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 8

GUI containers

JSOrm

Framework for manipulating relational objects with import and export in JSON format and Data Base connection.

  • Active
  • Library
  • GitHub
  • ★ 8
  • MIT

Database

OriginalCircuit.Altium.TestDataGenerator

Altium Designer DelphiScript project for generating comprehensive test files for the [OriginalCircuit.Altium](https://github.com/issus/AltiumSharp) library. Produces PcbLib and SchLib files with known primitive values, plus JSON exports for ground truth comparison in unit tests.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Networking

CSV-TOOLS

Ensemble d'outils pour le format CSV écrit en Pascal (Turbo Pascal ou Free Pascal).

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Database

awesome-pascal

A curated list of awesome Delphi/FreePascal/(any)Pascal frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Open source and freeware only!

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 2,096
  • CC0-1.0

Learning and Examples

QuickLogger

Powerful and flexible library for logging on files, console, memory, email, rest, eventlog, syslog, slack, telegram, redis, logstash, elasticsearch, influxdb, graylog, Sentry, Twilio, ide debug messages and throw events for Delphi/Firemonkey/freepascal/.NET (Windows/Linux/OSX/IOS/Android).

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 452
  • Apache-2.0

Other

Robber

Robber is open source tool for finding executables prone to DLL hijacking

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 799
  • GPL-3.0

Security

skia4delphi

Skia4Delphi is a cross-platform 2D graphics API for Delphi platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 793
  • MIT

Graphics

LGenerics

Generic algorithms and data structures for Lazarus/Free Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 139
  • Apache-2.0

Other

delphi-jose-jwt

Delphi implementation of JOSE (JSON Object Signing and Encryption) and JWT (JSON Web Token)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 521
  • MIT

Security Cryptography

loggerpro

An modern and pluggable logging framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 400
  • Apache-2.0

Other

G-Code-Flow-Temperature-Controller

A post processing script for OrcaSlicer that demonstrates how automatically adjusting Nozzle Temperature and Flow rate (Print Speed) can significantly improve both print time and quality, while also simplifying slicer settings.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 318
  • MIT

Other

Cmulator

Cmulator is ( x86 - x64 ) Scriptable Reverse Engineering Sandbox Emulator for shellcode and PE binaries . Based on Unicorn & Zydis Engine & javascript

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 304
  • AGPL-3.0

Security

cassotis-ime

Cassotis IME - a native Delphi/TSF Chinese Pinyin IME for Windows 10/11. 言泉输入法 —— 基于 Delphi/TSF 的 Windows 10/11 原生开源中文拼音输入法，支持全拼、简拼、六种双拼，并通过语料训练的本地语言模型与神经重排提升输入质量。

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 302
  • GPL-3.0

System

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

mcx

Monte Carlo eXtreme (MCX) - Physically accurate and validated GPU ray-tracer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

DelphiHookUtils

Delphi Hooking Library by Lsuper

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 164
  • MPL-2.0

System

FluentQuery

Fluent, declarative query API for Collections/Containers and Enumerations in Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 120
  • MPL-2.0

Other

MarkdownShellExtensions

A Markdown Text Editor to manually edit a markdown file, with instant preview of the output in a HTML Viewer. A Preview handler which allows you to see the content of the markdown file without open it, in the "Preview Panel", integrated into Windows Explorer.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 120
  • Apache-2.0

Edit and Memos

Free-Color-Picker

An advanced color picker, screen magnifier and color palette manager. Windows 32 & 64-bit

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 114

Graphics

SwagDoc

Create a public documentation REST API using Swagger 2.0 or Open API 3.2.1 for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 108
  • Apache-2.0

Networking

InstantObjects

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

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

Database

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

MfPack

Delphi translations for Microsoft Media Foundation and related API's

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

Bindings Multimedia

DelphiComponents

This repo includes some free Delphi components compatible with various Delphi IDEs

  • Quiet
  • Package
  • Delphi
  • GitHub
  • ★ 96
  • Apache-2.0

Other

sing-box-drover

Lightweight GUI launcher and tray controller for sing-box on Windows. Quickly toggle system proxy and TUN mode, switch outbound selectors.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 92

Networking

SKIAShellExtensions

Shell extensions for animations files (lottie, telegram, webp...) with Preview Panel, Thumbnail Icon, Lottie Editor. Powered by Skia4Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 87
  • Apache-2.0

Graphics

Trolledge

Object Pascal (VCL/FMX) Code Editor for Windows and Mac OSX

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 74

Edit and Memos

VSoft.AnsiConsole

A Delphi library for creating engaging console applications

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

System

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

MTN2

Dual-pane keyboard-driven file manager in the spirit of DOS Navigator and Far Manager: built-in console, terminals, viewer and editor, archives, SFTP/FTP/WebDAV/S3, plugins. Delphi, Windows and Linux.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 55
  • MPL-2.0

Files and Drives

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

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

Networking

Tracetool

Tracetool viewer, client Api for Dotnet, Java, Javasvript, C++ , Python, Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 45

Language Tools

StaticCodeAnalyser

Static code analysis for Delphi 12 & 13 and Lazarus / Free Pascal. RAD Studio IDE plugin (32/64-bit) + standalone GUI + CLI, one engine. 201 rules (Pascal AST + DFM/LFM forms): leaks, SQL injection, dead handlers, hardcoded secrets, Unicode & Trojan Source, Win64 pointer bugs. SARIF for CI/CD, SonarQube push.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 43

Language Tools

dss_capi

A multi-platform, customized C-API library and alternative implementation of OpenDSS (EPRI Distribution System Simulator) aiming for full COM compatibility. Unofficial/unsupported by EPRI, but extensively tested.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 41
  • BSD-3-Clause

Science

BuilderUI

Forms Builder UI for Windows

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

Applications

qdac

JSON/XML/AMF/MessagePack/MultiThread and more functions library

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 33
  • MIT

Database

CachedTexts

The fastest parsing and generation of text data (Delphi6-XE10)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 31
  • MIT

Language Tools

TurboBird

Fork of TurboBird (original by motaz) – updated and extended for modern Firebird versions

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 30

Database

DataGrabber

A query tool

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 29
  • Apache-2.0

Database

PineEngine

A Pine Script interpreter written in Delphi and Free Pascal, designed to execute scripts and return results as JSON.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 28

Language Tools