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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

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

horse

Fast, opinionated, minimalist web framework for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 1,383
  • MIT

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

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

kraft

Kraft Physics Engine is an open source Object Pascal physics engine library that can be used in 3D games.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 132

Games and Game Engines

mrmath

Delphi matrix library

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

Science

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

LightNet

Implemented in pure pascal LightNet is an artificial intelligence neural network library Inspired by Darknet and yolo library which can run most of the darknet including YOLO models nativly and self dependently in pascal, tests are provided for both Lazarus and Delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 66
  • MIT

Science

Logify

Logify MetaLogger for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • MIT

System

UniConv

Universal text conversion library (Delphi6-XE10)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 35
  • MIT

Other

Linux4D

Delphi library for system-oriented programming with Linux

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 28
  • Apache-2.0

System

epiktimer

Handy timer component for use with Free Pascal based projects

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 27

Date and Time

PCSCEMV

EMV kernel. Chain works from card's 'get ATS' to issuer's 'Virtual bank'. Language: Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 25
  • GPL-2.0

Security

Tiger

Tiger is a Delphi-hosted compiler infrastructure that lets you generate native x86-64 binaries for Windows and Linux — executables, shared libraries, static libraries, and object files — entirely from code. There is no source language to parse. Instead, you construct programs using a fluent Delphi API: define types, declare functions.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

Language Tools

NativeAsm

Native x86-64 code generation, JIT execution, SIMD, disassembly, and runtime instrumentation for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 16
  • MIT

Language Tools

SedaiAudio

Sedai Audio Foundation - Professional audio synthesis library in Free Pascal. 5 Synthesis Engines: Classic/Subtractive, FM (DX7-style), Wavetable, Additive, SID Evo.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • GPL-3.0

Multimedia

VSoft.Process

A Delphi library for running processes and capturing out, interacting with it.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 16
  • Apache-2.0

System

mathlib-fp

Scientific, statistical and engineering mathematics for Free Pascal, with no third-party runtime dependencies.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 12
  • MIT

Science

Lude

Lua 5.1, natively ported to Delphi and FreePascal, implementing the Lua 5.1 C ABI as a drop-in replacement for lua5.1.dll / .so / .dylib

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

Language Tools

DailyPascalModules

📦 Lightweight, zero-dependency Object Pascal micro-modules. Software CPU blitting for retro systems + unified OpenGL bindings for modern hardware. Pure FPC, plug-and-play.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • BSL-1.0

Graphics

horse-provider-crosssocket

High-performance, security-hardened CrossSocket 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
  • Delphi
  • GitHub
  • ★ 9

Networking

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

VclRotatedEdit

Single-line VCL edit control for Delphi that supports horizontal, vertical and arbitrary-angle text editing, with caret, selection, clipboard, validation, VCL styles and design-time resizing.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 7
  • MPL-2.0

Edit and Memos

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

LUX.GPU.OpenCL

OpenCL Library for parallel computing on the GPU.

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

Bindings

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

libjxl-delphi

Delphi (Object Pascal) binding for the libjxl JPEG XL C API, with VCL TGraphic integration

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • BSD-3-Clause

Bindings

prism

GPT Transformer developed in Delphi 13

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5

Science

DAI

DelphiAI - MCP for the Delphi IDE

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MPL-2.0

Lazarus IDE plugins

delphi-ipc

Send structured messages between Windows processes over WM_COPYDATA, with a portable, tested frame.

  • 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

LazGFX

Lazarus Graphics- A FULL Rewrite of the BGI in freePascal

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 2
  • Apache-2.0

Graphics

sovereign-kimi-pascal

CUDA kernels of sovereign-kimi, ported to Free Pascal — training compute on CPU with no GPU, no nvcc, no CUDA toolkit.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 2
  • AGPL-3.0

Science

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

VecMath

A Delphi library for high-performance vector math

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

Science

corvus-regex-ecma262-pas

ECMA-262 (JavaScript) regular expressions for Object Pascal: the grammar and the answers of RegExp, every flag, over UTF-8 and UTF-16.

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

Other

fpcdep

Small Free Pascal utility to generate Makefile-style dependency files from Pascal source.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Other

libGPIOD_litedyn

Free pascal bindings and wrapper around GPIOD library

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1

Other

native-pascal-1981

A native reimplementation of a Pascal compiler from 1981

  • Active
  • Library
  • GitHub
  • ★ 1
  • MIT

Other

nekkoos

NekkoOS - An Hobby Operating System written in C#, Pascal and Assembly. Developed by Nguyen Duy Thanh (Nekkochan)

  • Active
  • Library
  • GitHub
  • ★ 1

System

RaspberryPi-GPIOv2-FPC

A simple and fast Pascal unit to control GPIO pins using the Linux GPIO character device interface

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 1
  • MIT

System

ternary6502

Ternary model emitted as raw 6502 machine code, with Pascal opcode emitters

  • Active
  • Library
  • GitHub
  • ★ 1
  • AGPL-3.0

Other

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. (mirror)

  • Active
  • Library
  • Delphi
  • Codeberg

Other

mORMot2

OpenSource RESTful ORM/SOA/MVC ToolBox for Delphi and FreePascal (mirror)

  • Active
  • Package
  • Lazarus and Delphi
  • Codeberg

Database

praxo-core

MIT-licensed agent framework for the AxisVela ecosystem: governed agent loop, model/tool/memory/event primitives, plugins, sandboxing, and policy.

  • Package
  • Lazarus
  • GitHub

Other