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Catalog

30,057 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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PYTHONLIB-TP

Bibliothèque de compatibilité pour intégré les fonctions du langage de programmation Python dans le langage de programmation Turbo Pascal.

  • Quiet
  • Library
  • GitHub
  • ★ 1
  • MIT

Other

LazHIDControl

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

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 3

System

5.0 from 1 member

Turtle-Graphics-Library

A FireMonkey (FMX) turtle graphics library for Delphi inspired by Python’s turtle. Includes a Turtle screen, drawing commands (forward/turn/circle/fill), animation control (tracer/update), shape registry (polygon/image), and input events for interactive demos.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • MIT

Graphics

olsb_cores

The core of OLSB project.

  • Quiet
  • Library
  • GitHub
  • ★ 14

Other

LBToolkit

A thread-safe, Swiss-army toolkit featuring a reactive logging engine (LBLogger), an embedded HTTP server (LBmicroWebServer), seamless integration with the Python and Node.js ecosystems (LBWebPrism), and a fully customizable virtual keyboard (LBVirtualKeyboard). Distributed as a lightweight shared library (.dll/.so) with a clean, C-style API.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 5
  • MPL-2.0

Other

Project EVE AI

EVEAI is a Deep Learning Library based on python Keras and Tensorflow. EVEAI dll allows embedding inference images from keras models into user-written applications. Under Windows, the EVEAI training Tool provides services to train user specific image datasets and EVEAI dll provides services to existing Windows applications which support inference images. Please visit https://github.com/Hommoner/EVEAI for more information.

  • Library
  • SourceForge
  • MIT License

Science

FastCGI

The FastCGI protocol is designed for communication between a web server and a web application. It is commonly used for PHP or Python web applications. However, when I needed it, there was no usable implementation for Delphi available. This library fills that gap. It is MIT licensed.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 60
  • MIT

Networking

Z3Pas

A Pascal-friendly, Python-inspired API for the Z3 SMT solver

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

Other

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

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

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

mcx

Monte Carlo eXtreme (MCX) - Physically accurate and validated GPU ray-tracer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

YTuner

YTuner is a simple project designed to replace vTuner internet radio service and dedicated to all users of AVRs made by Yamaha, Denon, Onkyo, Marantz, Pioneer, HK and others with built-in vTuner support.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 156
  • MIT

Networking Multimedia

dns-black-cat

Multi platform toolkit for an interactive DNS shell commands exfiltration, by using DNS-Cat you will be able to execute system commands in shell mode over DNS protocol

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 112

Security Networking

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

honeyplc

High-interaction Honeypot for PLCs and Industrial Control Systems

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 102
  • GPL-3.0

Security Networking

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

incarcero

Incarcero is a tool that creates Virtual Machines (VMs) preconfigured with malware analysis tools and security settings tailored for malware analysis without any user interaction.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 94
  • GPL-3.0

Security

AACircuit

Draw circuits using ASCII

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 74
  • GPL-3.0

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

VSoft.AnsiConsole

A Delphi library for creating engaging console applications

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

System

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

Symposium2023

Demonstrates Voice Recognition, Text to Speech, Language Translation, OAuth2, Image Generation, Face Detection and Voice Chatbot.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 66
  • MIT

Learning and Examples

DelphiAnthropic

The Anthropic API wrapper for Delphi leverages cutting-edge models, including Anthropic's advanced Claude series, to deliver powerful features for chat interactions, vision processing, caching, efficient batch processing, connector MCP, skills and managed agents.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 63
  • MIT

Networking

ekeyfinder

Archive of my sourceforge project Enchanted Keyfinder. Software key retrieval on Windows.

  • Quiet
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 60
  • GPL-3.0

System

TSWebDriver4Delphi

TSWebDriver4Delphi is a library for Web Testing and Automation

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 60
  • MIT

Networking

Keras4Delphi

Keras4Delphi is a high-level neural networks API, written in Pascal with Python Binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 57
  • MIT

Science

LKSL

LaKraven Studios Standard Library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 52

Other

DotEnv4Delphi

A library to use .env files in Delphi and Lazarus (FreePascal). Also to be able to use Environment variables in a simpler way

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

System

Casbin4D

An authorization library that supports access control models like ACL, RBAC, ABAC in Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • Apache-2.0

Security

PythonFMXBuilder

An application builder for Python using DelphiFMX for Python for targeting Android.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Language Tools

MoonCompiler

Delphi 12-compatible Pascal compiler for Win64 and Linux x86-64. Your Delphi code builds on Linux unchanged — and often runs faster. FPC/Unleashed fork with Unicode RTL and bundled memory manager.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 45

Language Tools

MultiInstaller

Delphi one-step multipe package installer

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 45
  • LGPL-2.1

Language Tools

Tracetool

Tracetool viewer, client Api for Dotnet, Java, Javasvript, C++ , Python, Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 45

Language Tools

dn

DN revitalization

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 43

Files and Drives

StaticCodeAnalyser

Static code analysis for Delphi 12 & 13 and Lazarus / Free Pascal. RAD Studio IDE plugin (32/64-bit) + standalone GUI + CLI, one engine. 201 rules (Pascal AST + DFM/LFM forms): leaks, SQL injection, dead handlers, hardcoded secrets, Unicode & Trojan Source, Win64 pointer bugs. SARIF for CI/CD, SonarQube push.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 43

Language Tools

dss_capi

A multi-platform, customized C-API library and alternative implementation of OpenDSS (EPRI Distribution System Simulator) aiming for full COM compatibility. Unofficial/unsupported by EPRI, but extensively tested.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 41
  • BSD-3-Clause

Science

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

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

Other

PedPy

Analysis of pedestrian dynamics based on trajectory files.

  • Active
  • Library
  • GitHub
  • ★ 36
  • MIT

Science

smp2mp3

Program to Encrypt/Decrypt audio files from audiocubes.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 36
  • GPL-3.0

Cryptography Multimedia

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

pascalutils

PascalUtils is an object library for delphi and FreePascal of data structures that implements syntactic sugar similar to that of other modern languages as far as syntax allows.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 35
  • MIT

Other

toml-delphi

Toml parser and writer for Pascal and Delphi

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

Language Tools

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

SedaiBasic

SedaiBasic Interpreter with VM

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 31
  • GPL-3.0

Language Tools

ChatLLM

Simple chat application for querying local and cloud LLM models.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 29
  • MIT

Applications

Metamorf

A unified compiler-construction meta-language designed to define and build programming languages within a single .mor file. By describing tokens, grammar rules, semantic analysis, and code generation in one place, developers can produce native Win64 or Linux64 binaries via a built-in Zig/Clang pipeline.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 29

Language Tools

PineEngine

A Pine Script interpreter written in Delphi and Free Pascal, designed to execute scripts and return results as JSON.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 28

Language Tools

dolphin

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

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 27

Science

GS.GRID

Multi-Server - MQTT broker, KissB enabled, and more !

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 26
  • MPL-2.0

Networking

maXbox4

code compiler script studio

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 26
  • GPL-3.0

Language Tools

PythonUniverse

Embarcadero's Python Universe Installer

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

Applications