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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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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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horse

Fast, opinionated, minimalist web framework for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 1,383
  • MIT

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RESTRequest4Delphi

API to consume REST services written in any programming language with support to Lazarus and Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 625
  • MIT

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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

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delphi-rest-client-api

A Delphi REST client API to consume REST services written in any programming language.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 385
  • Apache-2.0

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diocp-v5

delphi iocp, http, websocket, ntrip

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 254
  • BSD-2-Clause

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FB4D

Open Source Library for connecting Firebase by Delphi VCL/FMX

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

Database Networking

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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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

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DelphiGoogleAPI

Using the Google Cloud Platform from your Delphi service on the Google Compute Engine

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 74

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OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

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AdvancedHTTPServer

The go-like http/https server for Lazarus + FPC

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 37
  • BSD-3-Clause

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express

Simple REST Server Framework

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 29

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

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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

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DelphiStabilityAI

The Stability API wrapper for Delphi utilizes advanced models developed by Stability.ai to provide capabilities for seamless image, video, and 3D generation, as well as sophisticated editing and upscaling tools, tailored for creative and professional use.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • MIT

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delphi-mqtt

Modern MQTT client for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 15
  • Apache-2.0

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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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dmvc-prometheus-metrics

Delphi MVC Framework middleware for exposing metrics through Prometheus Client library for Delphi

  • Active
  • Library
  • 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

Networking

horse-prometheus-metrics

Horse middleware for exposing metrics through Prometheus Client library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • MIT

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

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MCPFramework4D

MCP Server/Client framework for Delphi and Lazarus

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

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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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CilTseg4Delphi

Delphi client library for the licenses manager CilTseg.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • AGPL-3.0

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horse-provider-ics

OverbyteICS transport provider for the Horse framework — a drop-in alternative to Indy with modern OpenSSL 3.x/4.x TLS (TLS 1.3, mTLS). Delphi/Windows; enabled by {$DEFINE HORSE_PROVIDER_ICS}.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Networking

horse-provider-nghttp2

HTTP/2-native transport provider for the Horse web framework, on libnghttp2. Drop-in replacement for the default Indy transport — one compiler define, existing routes and middleware unchanged. h2c, TLS, mTLS, gRPC, streaming and WebSocket.

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

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

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pascal-redis-faa

Cliente Redis (RESP2/RESP3) para Free Pascal/Lazarus e Delphi, numa unica codebase. Pool de conexoes, pipelining, transacoes, scripting, pub/sub, streams e TLS (SChannel no Windows; OpenSSL opt-in). MIT.

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

Networking

bluetoothlaz

The bluetoothlaz package provides bindings and functions to access bluetooth devices under various platforms.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 1

Networking Bindings

RESTRequest4Delphi

API to consume REST services written in any programming language with support to Lazarus and Delphi (mirror)

  • Active
  • Library
  • Lazarus and Delphi
  • Codeberg
  • ★ 1

Networking

delphimvcframework

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

  • Active
  • Library
  • Delphi
  • Codeberg

Networking

FB4D

Open Source Library for connecting Firebase by Delphi VCL/FMX (mirror)

  • Active
  • Library
  • Lazarus and Delphi
  • Codeberg

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