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Catalog

30,059 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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LazHIDControl

Cross platform keyboard and mouse input control and window automation in Pascal.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 3

System

5.0 from 1 member

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

MORMot2

Synopse mORMot is an Open Source Client-Server ORM SOA MVC framework for Delphi 6 up to Delphi 10.3 Rio and FPC, targeting Win/Linux for the server, and any platform for clients (including mobile or AJAX).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 733
  • MPL, GPL or LGPL

Database In the Online Package Manager

neural-api

CAI NEURAL API - Pascal based deep learning neural network API optimized for AVX, AVX2 and AVX512 instruction sets plus OpenCL capable devices including AMD, Intel and NVIDIA.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 465
  • LGPL-2.1

Science

SVGIconImageList

Four engines to render SVG (Delphi Image32, SVGMagic, Skia4Delphi, Direct2D wrapper) and four components to simplify use of SVG images (resize, fixedcolor, grayscale...) for VCL and FMX platforms.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 399
  • Apache-2.0

Graphics

delphi-neon

JSON Serialization library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 364
  • MIT

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

Brook framework

Brook is microframework which helps to develop web Pascal applications.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 278
  • Copyright (c) 2012-2021 Silvio Clecio <silvioprog@gmail.com>

Networking In the Online Package Manager

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

Core

Ultibo Core

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 187

System

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

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

System

AIO

Coroutine-based multithreading library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 121
  • Apache-2.0

System

GrijjyCloudLogger

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

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 116

Networking

Clipper

Polygon and line clipping and offsetting library (C++, C#, Delphi) by Angus Johnson. Forked from https://sourceforge.net/projects/polyclipping. I prepared a "Release" branch (containing C# source only) for submodule usage.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 114
  • BSL-1.0

Graphics

clipper

[mirror] An open source freeware polygon clipping library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 88
  • BSL-1.0

Graphics

pLua-XE

Easily embed Lua into Delphi and Pascal projects

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 73

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

RADWinUI

A WinUI-3 framework for Delphi + IDE Plugin and Tool Palette components.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 55
  • MIT

Other

delphi-ppl

Extend Delphi Parallel Programming Library to ease async coding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • GPL-3.0

System

Badger

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

Networking

evil-script

Simple C-like scripting engine written in Free Pascal

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 35
  • MIT

Language Tools

PasOpenCL

Pascal Open CL headers

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 25

Bindings

delphi-terminal

[PLUGIN] Dockable terminal panel for RAD Studio with CMD, pwsh, and PowerShell tabs, ANSI color rendering, and command history

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24

Lazarus IDE plugins

RTL2

Next Generation RTL for Elements — replaces Sugar.

  • Active
  • Library
  • GitHub
  • ★ 24
  • BSD-2-Clause

Other

ExcelExport4D

Fluent Delphi library for exporting TDataSet data to Excel — COM automation or direct OpenXML .xlsx generation under the same API.

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

Database

tina4pascal

HTML-driven native apps in Free Pascal — one codebase, six targets, no browser, no widget toolkit

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Networking

simplelog-fp

A simple, lightweight, and easy-to-use logging library for Free Pascal applications.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 14
  • MIT

Other

TRAWPrinter

Delphi component for RAW printer or direct printing.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 13

Reporting

Resilience4D

A cross-platform resilience library for Delphi and FreePascal, featuring retries, circuit breakers, timeouts, rate limiting, and fallbacks.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 11
  • MIT

Other

ComPort4

Delphi ComPort Library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 10

System

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

Vissim.IPC.Proxy

Zero-overhead In-process COM (IPC) Proxy boosing performance of Vissim COM applications

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 7

Other

brookframework

Microframework which helps to develop web Pascal applications.

  • Active
  • Package
  • Lazarus and Delphi
  • Codeberg

Networking

Bee22

Particle Swarm Optimization framework (Delphi)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6

Science

Delphi-HelpChatAI

An in-app AI help assistant for Delphi applications, VCL and FireMonkey: a chat bubble the end user opens to ask how to use the application (“how do I export this grid?“, “what is this screen for?“). Answers come from the application's own documentation, optionally through an AI model, rendered as HTML inside an embedded browser.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • Apache-2.0

GUI containers

FMXInput

Standalone Delphi desktop input library (not only FMX)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

System

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

lazcomport

Lazarus ComPort Library

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 6

System

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

delphi-parser

Delphi source code tokenizer and parser into a syntax tree; where tokens are first-class citizens along with nodes

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • Unlicense

Language Tools

ShardMM

A scalable memory manager for Delphi on Win64

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

System

TFileStream

Extension to Delphi's built-in TFileStream that allows fmAppend and fmAppendExisting open modes.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3

Files and Drives

fastmm

FastMM is a lightning fast replacement memory manager for Embarcadero Delphi Win32 and Win64 applications that is not prone to memory fragmentation, and supports shared memory without the use of external .DLL files.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2

System

FMXBridge

Delphi FireMonkey DLL with an Inno Setup Pascal Script wrapper for creating FMX forms, controls, visual effects, and Windows-integrated UI. Supports Win32 and Win64.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

Other

horse-provider-nghttp2

HTTP/2-native transport provider for the Horse web framework, on libnghttp2. Drop-in replacement for the default Indy transport — one compiler define, existing routes and middleware unchanged. h2c, TLS, mTLS, gRPC, streaming and WebSocket.

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

Networking

LnkISAPI-Filter-Loader

ISAPI Filter Loader (Load DLL ISAPI on fly). Autor: Daniel "sakura" Wischnewski

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

Networking

TLibEv

Object-oriented, line-by-line port of libev 4.33 to Delphi and Free Pascal/Lazarus. High-performance event loop with epoll (Linux) and select (Windows) backends: timer, periodic, I/O, signal, child, stat (inotify), idle, prepare/check, fork, cleanup and async watchers.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 2

Networking

-TyCad

A cross-platform schematic program for FreePascal/Lazarus, ported from TinyCAD. Reads and writes TinyCAD designs and libraries, with extended functionality for schematics.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • LGPL-2.1

Other