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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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askrcode

Full-stack application framework in Pascal. One binary: HTTP, ORM for Postgres/MySQL/SQLite, migrations, queue, scheduler, auth, and a Svelte 5 component library.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Networking

ChilliSauce

Chilli Sauce is a torrent queue-ing program which allows the user to add links to a Spreadsheet on Google Docs. This is useful when you want to add a torrent to your home/work computer from another device.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 3

Networking

nsqfpc

nsq queue freepascal library

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 2

Networking

evil-mail

Delphi 7 bulk email sender with SMTP support. Manages recipient lists, attachments, HTML message preview, SSL/TLS encryption, and multi-send queue. Educational security tool. Discontinued 2013.

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

Networking

libbeanstalk-pas

A Pascal Client Library (built on synapse) to utilize the Beanstalkd job queue service. (eventually a reimplementation of a Beanstalkd server is planned)

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 4

Networking

delphimvcframework

DMVCFramework (for short) is a popular and powerful framework for Web API and Web Applications in Delphi. Supports RESTful and JSON-RPC WEB APIs development.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1,420
  • Apache-2.0

Networking

LazWebsockets

Websocket Server and Client Library written in Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 123
  • BSD-3-Clause

Networking

NetCom7

The fastest communications possible. Delphi rulez.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 218
  • MIT

Networking

QuickCore

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

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

Networking

Delphi-MCP-Server

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

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

Networking

aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

Networking

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

AWGG

Advanced Wget GUI

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 119
  • GPL-2.0

Networking

rnl

RNL - Realtime Network Library - The opensource reliable UDP network library

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 90
  • Zlib

Networking

ZNet

ZNet is supported by future P2P VM, big data, cloud servers, and SAAS systems

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 64
  • BSD-3-Clause

Networking

mqtt

MQTT Client/Server Componet Set for FPC/Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 62

Networking

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

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

Networking

nats.delphi

Delphi client for NATS, the cloud native messaging system.

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

Networking

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

horse-WS

Middleware for WS in HORSE

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

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

delphi-iot

14 IoT and industrial communication libraries for Delphi 12: MQTT, AMQP 1.0, CoAP, Modbus, STOMP, WebSocket, mDNS/DNS-SD, NMEA, InfluxDB, Prometheus, CBOR, MessagePack, JSON, Serial — 694 tests, no external dependencies beyond Indy

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20

Networking

tina4delphi

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

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

Networking

KafkaGate

kafka pascal, freepascal bindings using librdkafka and zeromq

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 19

Bindings Networking

Prack

Simple and Scalable Web Server 🚀

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

Networking

artica

Get a web based email/messaging, HTTP proxy, files server,VPN administration interface

  • Archived
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 13

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

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

pascal-amqp-faa

AMQP 0-9-1 client and broker for Free Pascal/Lazarus and Delphi in a single codebase. The embeddable broker (TAMQPServer) runs inside your application with no RabbitMQ install: exchanges, publisher confirms, mandatory/return, TTL, dead-letter, priorities and optional durability via WAL. MIT.

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

Networking

pktndis

NDIS 2.0 MAC driver bridging Packet Driver to NDIS for DOS

  • Active
  • Library
  • GitHub
  • ★ 8
  • MIT

Networking

GMS

GRID Messaging System

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 7
  • AGPL-3.0

Networking

ppm-mcp-tools

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

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 7

Networking

horse-provider-mormot

High-performance, security-hardened Mormot 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
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MIT

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

excalibar

Real-time packet sniffer / analyzer for Dark Age of Camelot (DAoC). Git copy of SourceForge CVS

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 5

Networking

Scrapix

Scrapix, un « Aspirateur » (Web Crawler)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

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

easydownload

EasyDownload is a free, ad-free, and open-source desktop application that allows you to download YouTube videos in the highest quality as MP4 or MP3 in seconds.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

Networking

IP-Packet-dumper

IP packet dump is a record of the raw data of network packets as they are transmitted and received by a device.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3

Networking

DFRabbitMQUtils

DFRabbitMQUtils is a minimalistic utility unit for interacting with RabbitMQ in Delphi applications.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Networking

LazBle

Cross-platform Bluetooth Low Energy library for Free Pascal and Lazarus.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Networking

MakerAi.ChatTools

MakerAI ChatTools — 29 bridge implementations for IAiWebSearchTool, IAiSpeechTool, IAiVisionTool, IAiImageTool, IAiVideoTool, IAiPdfTool

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

Networking