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30,062 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

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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

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NetCom7

The fastest communications possible. Delphi rulez.

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

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QuickCore

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

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

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Delphi-MCP-Server

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

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

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aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

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DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

rnl

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

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

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mqtt

MQTT Client/Server Componet Set for FPC/Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 62

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GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

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

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nats.delphi

Delphi client for NATS, the cloud native messaging system.

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

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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

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

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

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

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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

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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

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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

WebSocket4D

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

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

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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

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

pascal-kafka-faa

Native Apache Kafka client for Delphi and Lazarus/FPC, no librdkafka. Codecs generated from Kafka's message definitions; TLS via SChannel or OpenSSL.

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

Networking

NamedPipesInteropDemo

Calling native methods from .NET application via standard Windows Named Pipes

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 1

Networking

pascal-api-infra-faa

Infrastructure for REST APIs on Horse, for Delphi and Lazarus/FPC (dual-compiler): paging, ordering, config, file logging, rate limiting, DTO bases, messaging.

  • Package
  • Lazarus and Delphi
  • GitHub

Networking