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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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ksef-2_0-api_endpoints

Endpoints for KSeF 2.0 API. Cryptography and all needed to develop in Delphi 10+.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4

Networking

horse-ratelimit

Basic rate-limiting middleware for Horse. Use to limit repeated requests to public APIs and/or endpoints such as password reset.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 26

Networking

horse-slowdown

Basic rate-limiting middleware for Horse. Use to limit repeated requests to public APIs and/or endpoints such as password reset.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 18

Networking

Fediverse-GET-URL-Tester

WIP - A simple program to check what endpoints of Fediverse websites answers to GET requests.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • AGPL-3.0

Other

KAFSMongoAPI

Servidor DataSnap integrado com MongoDB Atlas para persistência de dados. Oferece endpoints RESTful para operações básicas de banco de dados.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

libusbK

libusbK is a complete driver/library solution for vendor class usb device interfaces. If you are a usb developer or usb device manufacturer seeking a driver solution for a new USB widget then libusbK could be for you. libusbK encompasses a 100% WinUSB compatible api/funtion set. All WinUSB power/pipe polices are fully supported by the libusbK driver. In Addition, libusbK has full support for isochronous endpoints and an extensive set of additional modules to simplify development. Source code repository using github: https://github.com/mcuee/libusbk

  • Quiet
  • Library
  • SourceForge
  • BSD License, GNU General Public License version 3.0 (GPLv3)

System

DelphiEasyRest

Easy to use library to build simple REST endpoints using Indy library.

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

Networking

awesome-pascal

A curated list of awesome Delphi/FreePascal/(any)Pascal frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Open source and freeware only!

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 2,096
  • CC0-1.0

Learning and Examples

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

MakerAi

The AI Operating System for Delphi. 100% native framework with RAG 2.0, autonomous agents, MCP protocol, and universal LLM connector. Supports OpenAI, Claude, Gemini, Ollama, and more. Delphi 10.4+ (limited), full support from Delphi 12 Athens.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 216
  • MIT

Other

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

Networking

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

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

Networking

MfPack

Delphi translations for Microsoft Media Foundation and related API's

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MPL-2.0

Bindings Multimedia

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

Networking

openapi-delphi-generator

Generate Delphi client SDKs for any REST API defined with the OpenAPI specification.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 92

Networking

DelphiGenAI

The GenAI API wrapper for Delphi seamlessly integrates OpenAI’s latest models (gpt-5 serie), delivering robust support for agent chats/responses, text generation, vision, audio analysis, JSON configuration, web search, and asynchronous operations. Image generation with gpt-image-2. Skills and agents

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 88
  • MIT

Networking

PasClaw

Ultra-lightweight native AI agent framework written entirely in Object Pascal for Delphi and Free Pascal, designed for performance, portability, and extensibility.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 67
  • MIT

Science

DelphiGemini

Delphi wrapper for the Google Gemini API: stateless generation and agent workflows with multimodal, streaming, persistent interactions, structured outputs, vector search, batch, image/video generation, and grounding (Search/Maps).

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Networking

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

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

Networking

MCPConnect

Building MCP servers with Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • 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

Badger

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

Networking

Azure-Cognitive-Services

Delphi Classes and Samples for connecting to, and using, Azure Cognitive Services

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 31
  • Apache-2.0

Networking

eTasks

Projeto de App mobile e desktop para gerenciamento de tarefas e metas com foco na produtividade e no bom humor. Será oferecido para as plataformas Windows (32 bits e 64 bits) e Android (32 bits). Há planos de se disponibilizar o aplicativo para download nas lojas de aplicativos. O maior objetivo é servir como aprendizado e treinamento das habilidades de programação em Delphi, sendo empregue uso de MVC, interfaces, Firebase e outros.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 31
  • MIT

Applications

ChatLLM

Simple chat application for querying local and cloud LLM models.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 29
  • MIT

Applications

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

KittoX

A Delphi framework for creating data-driven WEB SPA applications with HTMX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 26
  • Apache-2.0

Networking Database

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

MacroSilicon

MacroSilicon MS2109 research, code and information

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 22

System

darest

Darest - Auto-generated REST API from your database schema

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

Database Networking

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

Networking

tina4delphi

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

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

Networking

tokio4delphi

High-performance async/await library for Delphi, powered by Rust's Tokio runtime.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

System

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

Networking

horse-documentation

Documentação OpenAPI para suas APIs Horse em Delphi.

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

Networking

gn-api-sdk-delphi-pix

SDK em Delphi integrada a API Gerencianet. Esta SDK está preparada para integração à API Pix, que lhe permite realizar o gerenciamento de cobranças Pix com QR Code e Pix Copia e Cola e muito mais.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 17

Networking

tpx

TpX: drawing tool for TeX

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 15
  • GPL-2.0

Graphics

PushSharp-Anywhere

Deprecated: This project demonstrates the usage of the PushSharp .NET SDK for simple and efficient management of multiplatform (IOS, Android and Windows Phone) Push Notification services. This solution consists a couple of separate projects including shared processor libraries. A Web .NET MVC5 app and a Desktop Windows Forms app used for monitoring and handling push notifications.

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 14
  • Apache-2.0

Learning and Examples

HtmlBuilder

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 13

Networking

Nidus

Nidus Modular Framework

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

Other

Wordnik4Delphi

Cross-platform client app that accesses the Wordnik.com REST API; written in Delphi.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 12
  • MIT

Networking

gn-api-sdk-delphi

SDK em Delphi integrada a API Gerencianet. Esta SDK está preparada para integração à API Boletos da Gerencianet, que lhe permite realizar o gerenciamento de cobranças com boleto/Bolix, carnê, cartão de crédito e muito mais.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 11
  • MIT

Networking

Murphy-Delphi

Murphy Library for Delphi

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

Other

poseidon

High-performance async HTTP server for Delphi

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

Networking

Skia4DelphiCanvas

Skia-backed implementation of Vcl.Graphics.TCustomCanvas for Windows/Delphi and FPC on Windows or Linux.

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

Graphics