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Catalog

30,066 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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kitto_frozen

A framework for creating data-driven web applications with Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 32

Database Networking

mcp-server-delphi

MCP (Model Context Protocol) server library for Delphi. Built on DMVCFramework, it lets you expose tools, resources and prompts via attributes and RTTI. Supports both HTTP Streamable and stdio transports. MCP 2025-03-26 compliant.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 32
  • Apache-2.0

Networking

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

WebSocket.pas

Object Pascal WebSocket Client & Server Library

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

Networking

NetChatLink

A small application that links chat messages across multiple DC hubs and IRC channels

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 5

Networking

express

Simple REST Server Framework

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 29

Networking

Delphi_Delta_ScreenShot_And_RDP

Fast Delphi screen sharing by sending only the pixels that changed. Great for low-bandwidth or real-time desktop streaming. Included RDP Demo!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Graphics Networking

Http-Server

The fully functional multithreaded multi connection HTTP server component for Delphi that works asynchronously in a thread pool, accepts the GET, POST, PUT and any other HTTP requests, and sends the corresponding user-defined responses.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 27

Networking

BITNETServices

All the important tools for BITNET/HNET programs like relay chat, xyzzy, YWAKEUP, IUCVTRAP, CLRSCRN

  • Active
  • Application
  • GitHub
  • ★ 26

Networking

CeosMW

Components for communication using JSON, supports JSONRPC. Implements client/server layers to an n-tier solution.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 26

Networking In the Online Package Manager

GS.GRID

Multi-Server - MQTT broker, KissB enabled, and more !

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 26
  • MPL-2.0

Networking

horse-ratelimit

Basic rate-limiting middleware for Horse. Use to limit repeated requests to public APIs and/or endpoints such as password reset.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 26

Networking

KittoX

A Delphi framework for creating data-driven WEB SPA applications with HTMX

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

Networking Database

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

lazmqttc

A basic MQTT client written in Free Pascal/Lazarus using the Eclipse mosquitto library

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 23
  • 0BSD

Networking

Socket-Messaging-Library

A client / server messaging library to use with TCP sockets in Delphi or C++Builder (one day in the future)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 23
  • AGPL-3.0

Networking

DelphiHuggingFace

The Hugging Face API wrapper for Delphi leverages cutting-edge models to deliver powerful features, including object detection, music generation, text classification, sentiment analysis, image segmentation, speech-to-text transcription, and text generation.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 22
  • MIT

Networking

mORMot-MCP-Server

Full MCP 2025-06-18 specification implementation for Delphi with mORMot2

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 22
  • MIT

Networking

XRayGUI

A small and nimble GUI for XRay-core

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 22
  • GPL-3.0

Networking

darest

Darest - Auto-generated REST API from your database schema

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 21
  • MIT

Database Networking

FlickrPhotoStats

📷 Flickr Photo stats provides the ability to request information of your photos using REST

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 21
  • GPL-3.0

Networking

besenws

a web(socket) server built with BESEN

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 20
  • LGPL-3.0

Networking

DelphiMCP

MCP server for Delphi Application debugging and automation from AI side

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • MPL-2.0

Networking

tina4delphi

Tina4Delphi - A comprehesive set of tools to make REST and application integration better

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • MIT

Networking

Cayan

Delphi Library for Payment Integration using Cayan Genius Solutions

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • Apache-2.0

Networking

BuscaCEP

⚡ BuscaCEP é uma biblioteca para consulta de endereços online, permitindo buscas por CEP (Código de Endereçamento Postal) ou por logradouro (UF, Localidade e Logradouro).

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • Apache-2.0

Networking

horse-slowdown

Basic rate-limiting middleware for Horse. Use to limit repeated requests to public APIs and/or endpoints such as password reset.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 18

Networking

qBit4Delphi

A Free Delphi VCL/FMX implementation of qBittorrent's WebAPI + qNOXify a qBittorent/NOX Thin Client...

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • LGPL-2.1

Networking

WebSocketUpgrade

easily upgrade any TCP Socket class to a WebSocket implementation including streaming deflate

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18

Networking

AdminHelper

Telegram bot moderator to ban spammers (web service written in Lazarus)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 17
  • MIT

Networking

Delphi_SSH_Reverse_Tunnel_SocksV5_Proxy

A comprehensive Delphi implementation of reverse SSH tunneling with integrated SOCKS5 proxy capabilities, enabling secure remote access through NAT environments

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 17

Networking

request-fp

Zero‑memory‑leak, high‑level HTTP client for Free Pascal. Built on top of FPC's HTTP stack with a clean API and zero boilerplate.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 17
  • MIT

Networking

zAPI

A pure C ABI cross-language RPC framework with zero-IDL, supporting 10+ languages (Pascal, C, C++, Python, Go, Rust, Java, C#, PHP, Node.js)

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 17

Networking

delphiXERO

XERO accounting API for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 16

Networking

Raven-Pascal

The Sentry Client for Pascal

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 16
  • BSD-2-Clause

Networking

rdp-port-knocking

This program implements port knocking for access to Windows via RDP / TS

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 16
  • MPL-2.0

Networking

SynHTTP

The synapse HTTP(s) Server, compitible wtih Delphi and FPC, Windows, and Linux. Production ready

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 16
  • MIT

Networking

tina4pascal

HTML-driven native apps in Free Pascal — one codebase, six targets, no browser, no widget toolkit

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Networking

Clever-Mail-Server

A complete e-mail server in Delphi with POP3, SMTP, IMAP4, and SMTP Relay support.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 15
  • LGPL-3.0

Networking

mormot2-extensions

mORMot2 libraries, samples and tools for Pascal projects (FPC/Delphi).

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 15

Networking

PushNotifications

Push Notification using Embarcadero Rad Studio Tokyo 10.2.3 on Android and Apple Devices written in C++ and Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 15

Networking

DNetLog

TCP/UDP logs for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 14

Networking

horse-upload

Middleware for upload files to server storege in HORSE

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 14
  • MIT

Networking

Prack

Simple and Scalable Web Server 🚀

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 14
  • MIT

Networking

SShuttle-GUI

GUI for SShuttle - Transparent proxy server that works as a poor man's VPN. Forwards over ssh.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 14
  • GPL-3.0

Networking