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Catalog

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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steampipe-mod-azure-perimeter

Is your Azure perimeter secure? Use Powerpipe and Steampipe to check your Azure subscriptions for public resources, insecure network configurations and more.

  • Active
  • Library
  • GitHub
  • ★ 1
  • Apache-2.0

Database Networking

Bold for Delphi

. Delphi Model-Driven Architecture MDA framework and ORM. Design your domain model in UML and generate Delphi classes and database schemas. Features OCL Object Constraint Language for queries and derived attributes, automatic UI synchronization, built-in undo/redo, optimistic locking, and object subscriptions. Persistence via FireDAC, UniDAC or XML, supporting most modern databases. This fork adds Unicode and modern Delphi support. Official Embarcadero repo is for Delphi 7.

  • Library
  • Delphi
  • GitHub

Database

Microsoft-Windows-Vista-Buffer-Lab03_n

Combined Vista SDK and DDK Subscription only using Windiff or SDKDiff. Looking for the Enterprise Source Licening Program with my Desktop Opimization Packs with Software Software Assurance from my Subscriptions

  • Other
  • Lazarus
  • GitHub

Other

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

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

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 146
  • MIT

System

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

nx-horizon

NX Horizon - Event Bus for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 132
  • MIT

Other

neurochat

Native gui to serveral AI services plus llama.cpp local AIs.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 117
  • BSD-2-Clause

Applications

ntfy-for-delphi

Friendly library to push and receive instant notifications using ntfy.sh servers in Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 81
  • 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

nats.delphi

Delphi client for NATS, the cloud native messaging system.

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

Networking

CWStudio-Components-Library

Modern Windows 11 / WinUI 3 (Fluent UI v9) styled VCL components for Delphi / RAD Studio.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • MIT

Other

LiteCatalog

Catalog of open-source, free, and useful applications for Windows / Каталог открытых, бесплатных и полезных приложений для Windows

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 36

Applications

pascal-pipes-faa

Cross-platform inter-process communication for Delphi 12+ (Win64) and FPC/Lazarus (Linux x86_64/ARM64): the same API at three scopes — local IPC (Named Pipe/UDS), TCP and TLS with optional mTLS. Synchronous Request-Reply, topic pub/sub with wildcards and retain, AutoReconnect and thread-safe dispatch (pool/serialized/main thread).

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

System

Aefos

Aefos - Agent Execution Flow Orchestration System

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 33
  • GPL-3.0

Lazarus IDE plugins

mcp-server-delphi

MCP (Model Context Protocol) server library for Delphi. Built on DMVCFramework, it lets you expose tools, resources and prompts via attributes and RTTI. Supports both HTTP Streamable and stdio transports. MCP 2025-03-26 compliant.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 32
  • Apache-2.0

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

DDNRuntime-examples

DDNRuntime(Delphi .NET Framework/.NET Core Runtime) example. DDNRuntime is a library for Delphi to call .net dll. Support the assembly written by c#, vb.net. Support importing .net dll to delphi, can create .net wrapper automatically.

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 28

Learning and Examples

GS.Bus

Easy to use Bus, ressources friendly and super-easy inter-thread communication capabilities

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 24
  • MPL-2.0

System

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

Networking

mORMot-MCP-Server

Full MCP 2025-06-18 specification implementation for Delphi with mORMot2

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 22
  • MIT

Networking

Delphi-App-Watcher

Stops the applications on the network to allow the executable to be replaced, then restarts them.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 18
  • MIT

System

delphi-mqtt

Modern MQTT client for Delphi

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

Networking

FMX-GRID

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 13

Grids

SolLib4Pascal

Solana for Modern Object Pascal

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

Networking

AndroidSpeechToText

Apologies for that! Let's trim it down: "AndroidSpeechToText: Demonstrates Google's speech recognition in Android apps using Delphi FireMonkey." This should fit within the character limit. If you need further adjustments or have any other questions, feel free to ask!

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 10

Learning and Examples

steampipe-mod-terraform-azure-compliance

Run compliance and security controls to detect Terraform Azure resources deviating from security best practices prior to deployment using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 10
  • Apache-2.0

Other

SCM_SwimClubMeet-R

SwimClubMeet (SCM) core application A meet manager for swimming clubs.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • GPL-3.0

Database

velox-ui

VeloxUI — High-velocity, zero-dependency Object Pascal (Delphi VCL & Lazarus/Free Pascal LCL) desktop MVVM & Windows 11 Fluent UI micro-framework: DWM Mica, undocumented uxtheme dark scrollbars, GDI+ vector cards, High-DPI control fixers, flicker-free generic OwnerData virtual grids, and NT Kernel helpers.

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

GUI containers

ppm-mcp-tools

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

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 7

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

Networking

steampipe-mod-azure-tags

Is your Azure tagging strategy following best practice? This mod checks if your Azure resource tags are set correctly to help you manage them effectively using Powerpipe and Steampipe.

  • Active
  • Other
  • GitHub
  • ★ 6
  • Apache-2.0

Other

yt.succubus

youtube.Succubus is an open source YouTube botnet written in Delphi + LAMP. You can earn thousands of subscribers, views, likes, dislikes, and comments in a few hours.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6

Networking

DLaya

Fast local AI decisions in Delphi and Free Pascal. A binding for LibLayaX that runs the Laya typed-decision model in-process: no server, no Python. One unit, Laya.pas, with a TLayaAgent class. Windows, Linux and macOS, CPU or GPU, 64-bit. An open-source alternative to Jev

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

Bindings

Designer

A visual form designer for .dfm files. Opens a form outside the IDE and loads the installed design-time packages, so every component is a real instance, no placeholders, and the inspector's rows come from the property editors those packages register. The form editor of Vallenta Studio for VS Code

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Applications

fmx-datacontrol

Grid component for Delphi FMX applications

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4

Grids

pray

V2ray GUI Client

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 3

Networking

ReOmnimo

A Windows Phone 7 inspired interactive desktop information center for Rainmeter — taking over development of Omnimo.

  • Active
  • Other
  • GitHub
  • ★ 3
  • GPL-2.0

Other

delphi-fiber-runtime

Portable Pascal service runtime: fixed-rate scheduling, native timers, and measured 1 kHz execution. Fiber runtime under development.

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

System

ERD-Card-Toolkit

A Delphi component library for reading and writing smart cards, contactless tags, magnetic stripes and RFID input on Windows.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

System

LazBle

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

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

Networking

pascal-mcp-sdk

FreePascal-native MCP (Model Context Protocol) server library — expose tools, resources, and prompts from Pascal programs to AI agents. Zero third-party dependencies, stdio + Streamable HTTP.

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

Networking