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30,061 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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ShellRemoteBot

Shell remote control from telegram (SSH/terminal emulator)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 54
  • MIT

Networking System

mad-torrent

Delphi bittorrent protocol implementation

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 35
  • GPL-3.0

Networking

MARS

REST framework for Delphi: JAX-RS style resources and routes, servers and clients, JWT, OpenAPI 3, FireDAC and Devart UniDAC/MyDAC/IBDAC, SSE, MCP servers for AI agents. Windows, Linux, Docker.

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

Networking

dext

Dext - Modern Full Stack Framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 330
  • Apache-2.0

Networking

Brook framework

Brook is microframework which helps to develop web Pascal applications.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 278
  • Copyright (c) 2012-2021 Silvio Clecio <silvioprog@gmail.com>

Networking In the Online Package Manager

FB4D

Open Source Library for connecting Firebase by Delphi VCL/FMX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 216
  • Apache-2.0

Database Networking

Delphi-MCP-Server

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

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

Networking

fastplaz

FastPlaz - Pascal Web Framework

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 105

Networking

FpTelegram

Telegram bots API library

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 95
  • MIT License, MIT

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DelphiAnthropic

The Anthropic API wrapper for Delphi leverages cutting-edge models, including Anthropic's advanced Claude series, to deliver powerful features for chat interactions, vision processing, caching, efficient batch processing, connector MCP, skills and managed agents.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 63
  • MIT

Networking

Carik

CarikBot - Carik Chatbot Engine

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 53

Networking

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

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

Networking

mockjsonapi

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

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

Networking

Microsoft365-4D

Delphi library for Microsoft 365 integration. OAuth2 with PKCE, Mail, Calendar, Contacts, and SharePoint via Microsoft Graph API. No external dependencies.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 40
  • MIT

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

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

BITNETServices

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

  • Active
  • Application
  • GitHub
  • ★ 26

Networking

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

mORMot-MCP-Server

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

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

Networking

darest

Darest - Auto-generated REST API from your database schema

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

Database Networking

DelphiMCP

MCP server for Delphi Application debugging and automation from AI side

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

Networking

flexpacket

FlexPacket is a cross platform PacketRadio Software

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 20
  • EUPL-1.2

Networking

tina4delphi

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

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

Networking

aprsmap

Crossplatform APRS Map

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 18
  • EUPL-1.2

Networking

AdminHelper

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

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

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

fp-idn

IDN and punycode converter (FreePascal)

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Networking

MysticIRC

Mystic BBS 1.11IRC — GPLv3 community fork. RIPscrip v1.54 (42/42 commands, pixel-perfect). BINK, FidoNet AreaFix/FileFix/Tic. ICE colors. Built-in archivers + MP3/MP4 metadata (MARC/MediaTag). DOS i8086 with Watt-32. RIPView + Free Vision TUI. Builds with FPC 2.6.4irc.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 15
  • GPL-3.0

Networking

IDC4Delphi

Industrial Direct Communications for Delphi (IDC4Delphi) is a components suite for MQTT, KNX, Siemens Step 7, and Fieldbus integration.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 13
  • MIT

Networking

LidlToGrocy

Easily synchronize Lidl receipts in Grocy

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 12

Networking

ntools

ntools is a toolchain to easy share files between computers that are part of at lest on same network (LAN)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 12

Networking

Delphi-nghttp2

HTTP/2 and gRPC for Delphi and Free Pascal, built on libnghttp2. Framework-agnostic gRPC layer — protobuf codec, service registry, dispatcher, all four RPC shapes — plus a .proto code generator accepting 99.5% of real googleapis schemas. epoll/IOCP event loops, TLS/mTLS, graceful shutdown.

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

Networking

fpc-lambda

An FPC based custom runtime for lambda - write lambda functions in pascal/delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 9

Networking

horse-provider-crosssocket

High-performance, security-hardened CrossSocket provider for the Horse web framework. Replaces the default Indy provider with IOCP/epoll async I/O, an object pool, enforced request limits, and OpenSSL 3.x native TLS.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9

Networking

horse-opentelemetry

Middleware de rastreamento e telemetria para o framework Horse (Delphi/FPC) integrado ao padrão global OpenTelemetry (Distributed Tracing, Métricas e APM).

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • Apache-2.0

Networking

Telegram4Delphi

Componente Delphi para comunicação com bot do Telegram

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • MIT

Networking

TLazEvolutionAPI

Componente de integração com Evolution whatsapp API

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 8
  • MIT

Networking

wingp

Nginx + PHP Stack for Windows. Running Nginx as Windows service with PHP FastCGI (multiple versions), supports virtual hosts management.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • BSD-2-Clause

Networking

horse-prometheus

Middleware de coleta e exposição de métricas de performance HTTP para o framework Horse (Delphi/FPC) integrado nativamente com o Prometheu

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 7
  • Apache-2.0

Networking

ppm-mcp-tools

Source code for PPM MCP tools — Pascal/Delphi MCP servers for Claude Code

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 7

Networking

brookframework

Microframework which helps to develop web Pascal applications.

  • Active
  • Package
  • Lazarus and Delphi
  • Codeberg

Networking

AWS4Delphi

Componente para o Delphi dos Serviços da AWS

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

Networking

blog

A front-end and back-end separated blog system built with Delphi mORMot 2 and Vue 3.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 6

Networking

MCPServer

MCP server for Windows Debug Strings

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 6

Networking

modshell

Command-driven scriptable Modbus utility

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • EUPL-1.2

Networking

mormot2-ai

mORMot2-based AI/LLM extension for Free Pascal and Delphi: MCP server, LLM clients, embeddings, vector stores, RAG

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

Networking

superterm

Native GNU/Linux, macOS, and Windows terminal workspace; shared sessions and SSH on POSIX hosts.

  • Active
  • Application
  • GitHub
  • ★ 6
  • GPL-3.0

Networking

barev-im

A GUI for the Barev protocol built with Lazarus/Free Pascal.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • Apache-2.0

Networking

tiespace

A human-driven ncurses TUI client for the Cyberspace (cyberspace.online) social-network API, written in Free Pascal.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • MIT

Networking

WebSocket4D

Biblioteca cliente + servidor WebSocket em Delphi (Indy 10, RFC 6455), sem dependência do DMVCFramework. MIT.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • MIT

Networking