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30,061 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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Auto-Free-Object-Memory

Automatic local free object/memory without memory consumption penalty

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • MIT

Other

delphiguard

Automatic memory management for Delphi using RAII (Resource Acquisition Is Initialization) pattern

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 48
  • Apache-2.0

Other

simplejson-fp

A user-friendly JSON library for Free Pascal with automatic memory management.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 8
  • MIT

Language Tools

OLTypes

OLTypes Delphi library enhances basic Delphi types with a whole lot of useful methods and the ability to store Null values.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • MIT

Other

MemBoost RAM Optimizer

MemBoost RAM Optimizer is a very light Memory Management utility which allows you to take total control over your System's RAM. You can manually FREE a certain amount of RAM or set MemBoost to do this automatically.

  • Quiet
  • Application
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

System

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

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

Networking

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

QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 714
  • Apache-2.0

Other

FastMM5

FastMM is a fast replacement memory manager for Embarcadero Delphi applications that scales well across multiple threads and CPU cores, is not prone to memory fragmentation, and supports shared memory without the use of external .DLL files.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 345

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

SVGShellExtensions

A collection of extensions tools for SVG files, integrated into Microsoft Windows Explorer (for Windows 10 and 11) and a useful SVG Text Editor

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 205
  • Apache-2.0

Graphics

hxd-plugin-framework

Plugin framework for HxD's data inspector

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 187
  • MPL-2.0

Other

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

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

nx-horizon

NX Horizon - Event Bus for Delphi

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

Other

MarkdownShellExtensions

A Markdown Text Editor to manually edit a markdown file, with instant preview of the output in a HTML Viewer. A Preview handler which allows you to see the content of the markdown file without open it, in the "Preview Panel", integrated into Windows Explorer.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 120
  • Apache-2.0

Edit and Memos

InstantObjects

Pupular OOP-OPF Library for Delphi (from DXE6 to latest version)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 107
  • MPL-2.0

Database

SKIAShellExtensions

Shell extensions for animations files (lottie, telegram, webp...) with Preview Panel, Thumbnail Icon, Lottie Editor. Powered by Skia4Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 87
  • Apache-2.0

Graphics

VindexLLM

VindexLLM is a pure Delphi, GPU-powered LLM inference engine that uses Vulkan compute shaders to run GGUF models entirely on the GPU. It performs full transformer inference without relying on Python, CUDA, or other external runtimes, requiring only vulkan-1.dll, which is typically included with modern GPU drivers.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 73

Science

Neslib.Clang

libclang for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 67
  • BSD-2-Clause

Bindings

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

MinimalistMediaPlayerX

A powerful, feature-rich MPV-based minimal-interface media player for 64-bit Windows. Lots of keyboard-controlled functionality but with minimal screen clutter. Automatically adjusts the window to match the video dimensions, without a window caption/title bar, to give an immersive viewing experience whether in window mode or fullscreen mode.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 57
  • GPL-3.0

Multimedia

Delphi_Remote_Desktop

Easy To Use Drag And Drop Desktop Duplication Components (Work In Progress!)

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

Networking

DelphiBlend2D

Blend2D for Delphi: language bindings and framework for Blend2D

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 50
  • Zlib

Bindings Graphics

GHttpsIOCPSvr

Delphi HTTPS server IOCP and Schannel

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

Networking

nats.delphi

Delphi client for NATS, the cloud native messaging system.

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

Networking

datamodeler

A visual database design and modeling tool written Delphi with support for SQL Server, Firebird, Oracle, PostgreSQL, MySQL, SQLite, and more.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 40

Database

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • BSD-3-Clause-Clear

Other

class-helpers

Directory of Delphi VCL/RTL class helpers

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 35
  • MIT

Other

duckdb-fp

A clean and intuitive wrapper for DuckDB in FreePascal, providing easy database operations and DataFrame-like result handling.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 35
  • MIT

Bindings Database

GDIPlus

Delphi GDI+ Library for use with Lazarus/Delphi 2009 or later. Copyright (C) 2009 by Erik van Bilsen. Email: erik@bilsen.com Website: www.bilsen.com/gdiplus

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 31
  • http://www.bilsen.com/gdiplus/index.shtm

Graphics In the Online Package Manager

DX.Logger

Minimalistic cross-platform logging library for Delphi with extensible provider architecture

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 30
  • MIT

Other

RefCountTracer

Utility to help track down memoryleaks caused by Reference Counting

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 29
  • MPL-2.0

System

toml-fp

Simplify parsing and writing TOML config files in Free Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 29
  • MIT

Language Tools

Delphi_Delta_ScreenShot_And_RDP

Fast Delphi screen sharing by sending only the pixels that changed. Great for low-bandwidth or real-time desktop streaming. Included RDP Demo!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Graphics Networking

dolphin

A Delphi/Object Pascal ML framework: GPT-style Transformers + GPU training + tabular DataFrames

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 27

Science

PKCS7Extractor

PKCS#7 Extractor library for Delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 27
  • LGPL-3.0

Cryptography

GetItManager

A powerful, user-friendly replacement for RAD Studio's GetIt Package Manager CLI - bypasses D13 AccessViolation issues

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 26
  • MIT

Lazarus IDE plugins

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

Delphi_Audio-Link_Components

Easy To Use Drag And Drop Audio Components For Delphi (Windows OS) Now With Audio Injection Support!

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21
  • MIT

Multimedia

florialib

Helper library for creating Floria Toolkit

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 3
  • MPL-2.0

Other

Delphi-RAG-Lint

Delphi-native, MIT-licensed RAG + linter for Delphi/Pascal source code. Symbol-exact + fuzzy + tree-sitter lint. Pure Delphi at runtime.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Language Tools

sempare-delphi-streams

Sempare Streams is a Delphi (object-pascal) library providing for stream type operations over various enumerable types similar to Java streams or Linq.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • GPL-3.0

Other