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30,057 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

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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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openai-delphi

OpenAI API client for Delphi and Lazarus/FPC. Use ChatGPT, DALL-E and other products from Pascal language.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 142
  • MIT

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aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

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GrijjyCloudLogger

GrijjyCloudLogger, remote logging for Windows, iOS, Android, macOS and Linux

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 116

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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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DelphiDeepseek

The Deepseek API wrapper for Delphi leverages Deepseek’s advanced models to deliver powerful capabilities for seamless and dynamic conversational interactions, including a model optimized for reasoning, and now also supports running local models through an LM Studio server.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 100
  • MIT

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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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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

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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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Badger

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 36
  • MIT

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fano

Pascal web application framework

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 33
  • MIT

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express

Simple REST Server Framework

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 29

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DelphiMistralAI

DelphiMistralAI wrapper brings Mistral’s text-vision-audio models and agentic Conversations to Delphi, with chat, embeddings, Codestral codegen, fine-tuning, batching, moderation, async/await helpers and live request monitoring.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 28
  • MIT

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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DX.HttpDiag

HTTPS URL diagnostic command-line tool for Windows - Certificate analysis, DNS resolution, proxy detection

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

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besasoap

Delphi SOAP Client Component

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • Apache-2.0

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DelphiGroqCloud

The GroqCloud API wrapper for Delphi provides access to models from Meta, OpenAI, MistralAI and Google on Groq’s LPUs, offering chat, text generation, image analysis, audio transcription, JSON output, tool integration, and content moderation capabilities.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • 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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WebSocket4D

A Windows WebSocket client and server library for Delphi and FreePascal.

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

Networking

delphi-mqtt

Modern MQTT client for Delphi

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

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DFTRBank

Delphi sanal POS bileşeni (TDFTRBank) — 10.3–13, Nestpay ve Türk banka/ödeme kuruluşları

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 14
  • MIT

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DNetLog

TCP/UDP logs for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 14

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FluentHTML

A library on Pascal, for direct use of HTML tags. Based on HTML5 tags. It can only be used to generate HTML5 Tags, there is no Parse function.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 14

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HtmlBuilder

Static website generator with a local web server, FTP updater, and AI/LLM support.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 13

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ip2location-pascal

This is a IP2Location Pascal Library that enables the user to find the country, region, district, city, latitude, longitude, zip code, time zone, ISP, domain name, connection type, area code, weather, mobile network, elevation, usage type, address type, IAB category and ASN by IP address or hostname originates from.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 12
  • 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

Networking

dmvc-prometheus-metrics

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

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

Networking

Edge-OpenAI-Realtime

Delphi VCL component + WebView2 embedding OpenAI Realtime (WebRTC, voice & text). UI-free core, reusable sources, with ephemeral secret auth.

  • Active
  • Library
  • 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

horse-prometheus-metrics

Horse middleware for exposing metrics through Prometheus Client library for Delphi

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

Networking

PascWallet

PascalCoin FMX Wallet

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • MIT

Networking

CryptoFMX

Sample Delphi project :- REST/PPL/FMX using www.coingecko.com api

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6
  • 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

Networking

MCPFramework4D

MCP Server/Client framework for Delphi and Lazarus

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

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

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opentelemetry-delphi

OpenTelemetry SDK for Delphi: traces and logs over OTLP/HTTP in one unit

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

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ThXmlRpc

Basic Server for Web Service on the XML-RPC protocol.

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 5
  • GPL-2.0

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