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30,062 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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bms-api-hook

API and Code hook library built for 32 bits Windows. Contains DLL and code injection, remote process code execution, inter process communication and mini code disassembler techniques.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • MIT

System

DirectDraw-API-Hooking

Hooking DirectDraw API to draw an overlay over DirectX applications using Windows GDI

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

Graphics

Win32-API-Hooking

This project deals with Loading a DLL into a memory space of another application using the trampoline method invented by Matt Pietrek of Microsoft.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • Apache-2.0

System

Delphi Detours Library

. Delphi FPC Library allowing you to hook Delphi functions and object methods and Windows API functions. It provides an easy way to insert and remove hook.

  • Library
  • Lazarus and Delphi
  • GitHub

System

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

QuickLogger

Powerful and flexible library for logging on files, console, memory, email, rest, eventlog, syslog, slack, telegram, redis, logstash, elasticsearch, influxdb, graylog, Sentry, Twilio, ide debug messages and throw events for Delphi/Firemonkey/freepascal/.NET (Windows/Linux/OSX/IOS/Android).

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 452
  • Apache-2.0

Other

horse

Fast, opinionated, minimalist web framework for Delphi

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

Networking

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

DDetours

Delphi Detours Library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 398
  • MPL-2.0

System

vcl-styles-utils

Extend and improve the Delphi VCL Styles

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 365

Other

delphi-neon

JSON Serialization library for Delphi

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

Other

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

DelphiHookUtils

Delphi Hooking Library by Lsuper

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 164
  • MPL-2.0

System

Trysil

A lightweight, attribute-driven ORM for Delphi

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

Database

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

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

System

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

Markdown4D

Native Delphi Markdown library: CommonMark/GFM parser with public AST, incremental/streaming parsing, HTML renderer, markdown writer, and custom-drawn VCL & FMX viewer/editor components

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 72
  • MIT

Edit and Memos

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

MarkdownProcessor

A Markdown Processor Library for Delphi, to process and convert markdown files to HTML.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 56
  • Apache-2.0

Other

SafeThread4D

Fluent, cooperative, UI-safe background task runner for Delphi FMX, with cancellation, timeout, progress, lifecycle callbacks, and optional mobile UI liveness diagnostics.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

System

Logify

Logify MetaLogger for Delphi

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

System

Badger

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

Networking

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

delphi-slackbot

Delphi library to send messages on Slack using slackbot

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 27
  • MIT

Networking

GocciaScript

A sandbox-first JavaScript engine for AI agents: host-set capabilities and limits, deterministic runs, TypeScript annotations, test262 on every pull request.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 20
  • MIT

Language Tools

NativePe

NativePe: a PE loader/parser library for Delphi 12 (port of libpeconv, Win32 + Win64, open source)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20

Security

tina4delphi

Tina4Delphi - A comprehesive set of tools to make REST and application integration better

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • MIT

Networking

DTerminal

Command terminal for integrating with the Delphi IDE, compatible with WSL, CMD, and PowerShell.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Lazarus IDE plugins

maxCron

maxCron: Flexible, lightweight CRON compliant scheduler written in Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 17
  • BSD-3-Clause

Date and Time

unicorn-engine-pascal

Freepascal bindings for the UnicornEngine Emulator Engine - Multi OS

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • GPL-2.0

Bindings

Dlluminator

The sleek new way to load Win64 DLLs straight from memory — no disk, no traces, no limits.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 13

System

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

Delphi-nghttp2

HTTP/2 and gRPC for Delphi and Free Pascal, built on libnghttp2. Framework-agnostic gRPC layer — protobuf codec, service registry, dispatcher, all four RPC shapes — plus a .proto code generator accepting 99.5% of real googleapis schemas. epoll/IOCP event loops, TLS/mTLS, graceful shutdown.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 9
  • MIT

Networking

DelphiKeyboard

IME에 의존하지 않는 두벌식 한글 조합 오토마타 내장 Delphi VCL 가상 키보드

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • MIT

System

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

LazarusVision

TUI Framework for Free Pascal using Lazarus LCL pattern for creating Forms/Buttons/Controls

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

GUI containers

StdApp

StdApp Components is shared foundation library that provides the core infrastructure and common services needed by Delphi Win64 projects, so each project can focus on its own domain without reinventing low-level plumbing.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 8

Other

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

delphi-accessibility-framework

AI-agent application control and screen-reader accessibility for Delphi 12 VCL applications.

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

System

MemoryDLL

In-Memory Win64 DLL Loading & Execution for Pascal.

  • Active
  • Library
  • GitHub
  • ★ 6
  • BSD-3-Clause

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

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

JoltPhysics4Delphi

A Delphi wrapper and object-oriented binding layer for the Jolt Physics high-performance rigid body physics engine.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Bindings

TRTMP

TRTMP is a native RTMP framework for Delphi and Free Pascal focused on low-latency ingest, packet-level analysis, bounded buffering, restreaming, and optional live preview.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4
  • BSD-2-Clause

Networking

Aimsun.MicroApi4D

Object Pascal binding for Aimsun MicroApi with samples

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

Bindings

GoogleAnalytics4Delphi

Library to abstract integration with Google Analytics for use in Delphi Applications.

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

Networking

hiiGrid

Delphi Grid+Tree Component (VCL/FMX pre-beta)

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 3

Grids

jlang-pascal

Object Pascal bindings for the J programming language

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

Bindings

PasSDL3-GUI

Native retained-mode GUI toolkit for SDL3, written in Object Pascal for Delphi and Free Pascal.

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

Graphics

spintax-win

Framework-agnostic Spintax engine for Object Pascal — enumerations, permutations, scoped variables, conditionals, plural agreement, includes, full post-processing. Zero dependencies, MIT, Free Pascal 3.2.2+. Parity-gated by the shared golden corpus that also gates @spintax/core.

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

Other