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Catalog

30,070 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.

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

LazLightFileStream

Implements a lightweight, high-performance, non-allocating advanced-record-based wrapper around the SysUtils file handling routines as an alternative to Classes.TFileStream.Compatible with Free Pascal 3.1.1+

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 32
  • MIT License

Files and Drives In the Online Package Manager

Delphi-Crash-Reporter

Cross-platform Delphi crash/exception reporter (Linux, macOS, Android, iOS) that emits EurekaLog .el-format reports (open in the EurekaLog Viewer): call stacks, CPU registers, modules, source line numbers. RTL-only core, no FMX dependency, no EurekaLog license required.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • BSD-2-Clause

System

2.0 from 1 member

iocp-delphi

Windows I/O Completion Port wrapper class for Delphi and Free Pascal

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 51
  • MIT

System

mosquitto-p

mosquitto library header Pascal conversion, with an optional Object Pascal wrapper class

  • Archived
  • Library
  • Lazarus
  • GitHub
  • ★ 23
  • ISC

Bindings Networking

DelphiLua

An API conversion and wrapper classes for integrating Lua 5.2 into Delphi projects

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 16

Language Tools

darkDynlib

Delphi platform-agnostic wrapper classes around OS dynamic library loading functions.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • MIT

System

DateTimeClass

FreePascal DateTime class wrapper for all related date and time functions

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

Date and Time

AntimonyDelphiBindings

This project includes Delphi bindings to libAntimony (SBML), as wrapper class and an example of how to use it.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

iocp-delphi

Windows I/O Completion Port wrapper class for Delphi and Free Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • Codeberg

System

mosquitto-p

mosquitto library header Pascal conversion, with an optional Object Pascal wrapper class

  • Active
  • Library
  • Lazarus
  • Codeberg

Bindings

LCLExtensions

Set of helper functions (CreateBitmapMask, OptimalPixelFormat, OSSupportsUTF16, Win32-like wrappers, etc), class TOLEStream.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 60
  • Modified LGPL

ListViews and TreeViews In the Online Package Manager

Embedded-SQLite3-for-Delphi

SQLite3 wrapper for Delphi. Supports both dynamic and static linking (with a creative solution). Higher level classes for convenience. Support for Unicode and BLOBs.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 13

Database

lib.CrossSyncObjs

Provides wrapper classes for synchronization primitives and wait functions from libraries WinSynObjs and LinSyncObjs.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4
  • MPL-2.0

System

ICU4PAS

. Delphi FPC Object Pascal, cross platform, Direct Class Wrapper over the mature and widely used set of C/C++ ICU libraries providing Unicode support, software internationalization i18n and globalization g11n, giving applications the same results on all platforms. You can use it on Windows with Delphi and FreePascal and on Linux with Kylix and FreePascal.

  • Library
  • Lazarus and Delphi

Bindings

TileEngine

. GitHub Delphi FPC OOP Pascal Wrapper and bindings for Tilengine 2D retro graphics engine. Tilengine is a cross-platform 2D graphics engine for creating classic/retro games with tilemaps, sprites and palettes. Its scanline-based rendering algorithm makes raster effects a core feature, a technique used by many games running on real 2D graphics chips.

  • Library
  • Lazarus and Delphi

Bindings

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

Alcinoe

Alcinoe empowers developers to build fast, modern apps without the usual complexity or performance bottlenecks. It keeps the focus on innovation—not tool constraints—delivering top performance, deep customization, and great cross-platform UX while staying independent of GAFA ecosystems.

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 1,134
  • Apache-2.0

Other

Ray4Laz

Headers translation of the Raylib game development library. Inspired by Borland BGI graphics lib and by XNA framework.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 181
  • Copyright (C) 2020-2026 Gunko Vadim

Bindings In the Online Package Manager

DelphiOpenAI

OpenAI (and DeepSeek, Azure OpenAI, YandexGPT, Ollama, GigaChat, Qwen) API wrapper for Delphi. Use ChatGPT, DALL-E, Whisper and other products.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 318
  • MIT

Networking

cassotis-ime

Cassotis IME - a native Delphi/TSF Chinese Pinyin IME for Windows 10/11. 言泉输入法 —— 基于 Delphi/TSF 的 Windows 10/11 原生开源中文拼音输入法,支持全拼、简拼、六种双拼,并通过语料训练的本地语言模型与神经重排提升输入质量。

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 302
  • GPL-3.0

System

pasvulkan

Vulkan header generator, OOP-style API wrapper, framework and prospective Vulkan-based game engine for Object Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 230
  • Zlib

Bindings Graphics

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

GpDelphiUnits

A collection of my open sourced Delphi units

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 190
  • BSD-3-Clause

Other

DelphiGrpc

DelphiGrpc is a Delphi implementation of the realtime and streaming gRPC protocol (http://grpc.io).

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 189
  • Apache-2.0

Networking

WebUI4Delphi

WebUI4Delphi is a WebUI wrapper, which allows you to use any web browser as a GUI, with Delphi or Lazarus/FPC in the backend and HTML5 in the frontend.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 163
  • MIT

Bindings

Trysil

A lightweight, attribute-driven ORM for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 160
  • BSD-3-Clause

Database

Delphi-LightSaber

Lots and lots of "goodie" functions and 70 visual controls. More than 15 years of development have been put in this library. The library also wants to be a lightweight replacement for the mammoth Delphi Jedi library.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 157

Other

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

Lape

Scripting engine for Lazarus/Delphi with a Pascal derived syntax.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 143
  • GNU Lesser GPL

Language Tools In the Online Package Manager

nx-horizon

NX Horizon - Event Bus for Delphi

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

Other

DelphiUIAutomation

Delphi classes the wrap the MS UIAutomation library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 118
  • Apache-2.0

System

GitForDelphi

Delphi bindings for libgit2

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 115
  • MIT

Bindings

mrmath

Delphi matrix library

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 111
  • Apache-2.0

Science

P4D-Data-Sciences

A collection of lightweight Python wrappers based on Python4Delphi simplifying Data Sciences development with Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 110
  • MIT

Bindings Science

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

FpTelegram

Telegram bots API library

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 95
  • MIT License, MIT

Networking In the Online Package Manager

libpascurl

libPasCURL is delphi and object pascal wrapper around cURL library. Library for transferring data with URL syntax, supporting HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, LDAP, LDAPS, FILE, IMAP, SMTP, POP3, RTSP and RTMP.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 90
  • GPL-3.0

Bindings Networking

rnl

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

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

Networking

JsonToDelphi

generate delphi classes from json (Json To Delphi Class Generator / JSON Data Binding Tool FMX, VCL and uniGUI)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 76

Language Tools

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

DX.Pdfium4D

Delphi Cross-Platform Wrapper for Google's PDFium - Object-oriented PDF document handling for Windows, macOS, Android, iOS

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • MIT

Bindings

DataPort

Thread-safe port for data exchange. Supports network (TCP/UDP/HTTP), serial port, etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 58
  • The MIT License (MIT)

Networking In the Online Package Manager

OpenAPIClientWizard

OpenAPIClientWizard – the ultimate plugin for RAD Studio that revolutionizes the way Delphi developers implement REST API clients.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 57
  • MIT

Lazarus IDE plugins

dn

DN revitalization

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 43

Files and Drives