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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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mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

delphi-visual-studio-code-debugger

A debugger for delphi in visual studio code, and also a MCP server to give claude/copilot/etc authonomous delphi debugging capabilities

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 48
  • 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

SedaiBasic

SedaiBasic Interpreter with VM

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

Language Tools

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

PowerVM

Stealth Type-1 Hypervisor designed specifically to debug processes protected by modern Anti-Cheat systems like Tencent ACE and VMProtect

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 28
  • MIT

System Security

delphi-loop

DelphiLoop - agentic AI loop for Delphi. Multi-agent architecture, LLM integration, RAG - all in native Delphi.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 25

Applications

tyro

Lua and other programming in simple platform to make programming fun

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 21
  • MIT

Language Tools

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

MysticIRC

Mystic BBS 1.11IRC — GPLv3 community fork. RIPscrip v1.54 (42/42 commands, pixel-perfect). BINK, FidoNet AreaFix/FileFix/Tic. ICE colors. Built-in archivers + MP3/MP4 metadata (MARC/MediaTag). DOS i8086 with Watt-32. RIPView + Free Vision TUI. Builds with FPC 2.6.4irc.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 15
  • GPL-3.0

Networking

Golang-REVoid

Go_VM — Delphi Go Source Virtualizer & Obfuscator

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 11

Security

emul99

Simulator of the TI 99/4A home computer written in Pascal

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 10
  • GPL-2.0

System

not-quake

Online first-person shooter using Castle Game Engine and RNL

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 10
  • BSD-3-Clause

Games and Game Engines

MT4-PSQL

Export tick data from Metatrader4 into PostgreSQL using a producer-consumer thread based approach

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 8
  • LGPL-3.0

Database

MyraLang

Myra is a minimal systems programming language inspired by Oberon and Pascal that compiles into C++23 using the Zig toolchain. Its core philosophy emphasizes a clean, unambiguous syntax while providing seamless interop, allowing developers to intermix raw C++ code directly within Myra source files. Pascal. Refined.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 8

Language Tools

superterm

Native GNU/Linux, macOS, and Windows terminal workspace; shared sessions and SSH on POSIX hosts.

  • Active
  • Application
  • GitHub
  • ★ 6
  • GPL-3.0

Networking

cheat-engine-cli

AI-native, JSON-first CLI for the Cheat Engine ceserver protocol

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3

System

foot-coding

Delphi 7 text encoding/decoding utility. Converts between Hex, ASCII, Base64, Binary, Octal, Decimal, and Roman numerals. Educational project demonstrating encoding algorithms. Discontinued 2013.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3
  • GPL-3.0

Applications

lwpt

Lightweight Pascal toolkit

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

Language Tools

netmodem2irc

NetModem/32 revival — virtual COM port FOSSIL Telnet server for classic Windows + DOS i8086 bridge. 34 tests, fpcirc cross-compile.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • GPL-3.0

Networking

PaxLang

Pax is a Pascal/Oberon-inspired systems language that compiles to modern C++23 using Zig’s Clang toolchain, with a pass-through design that lets you mix raw C++ and Pax code freely in the same source file.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3

Language Tools

rookcc

rookcc, also known as 'rcc', is a simple standalone C compiler, with its own optimization toolchain, linker, without invocation of external tools.

  • Active
  • Application
  • GitHub
  • ★ 3
  • MIT

Language Tools

TRadioPlayer

Native Delphi/Pascal internet radio playback built directly on FFmpeg 8 headers and a Windows audio backend. The project now centers on a reusable `TRadioPlayer` engine plus a reusable console UI layer and a concrete console player application.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3
  • BSD-2-Clause

Multimedia

Wasuro

A WebAssembly virtual machine for the Asuro operating system, written in Standard Pascal & designed to run on bare metal.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 3

Language Tools

Delphi_pimono

A desktop AI coding assistant built with Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 2

Applications

intelligencer-door

Delphi 7 remote administration tool (RAT) with keylogger, screen capture, file explorer, and diagnostics. Educational security project exploring client-server architecture. Discontinued 2013.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 2
  • GPL-3.0

Security

LingoFuse-Tools

Code generation tools for the LingoFuse ecosystem. Convert Pascal / C declarations into cross-language ABI, HTTP/JSON, and MCP binding code. Every tool ships with GUI, CLI, and MCP entry points, plus a self-contained knowledge base for full AI takeover.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Language Tools

MiniPIG

Strict LL(1) Recursive Descent Parser Generator for Turbo Pascal / FreePascal

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • GPL-3.0

Language Tools

PasClaude

A terminal coding agent for Windows, written in Free Pascal. No dependencies beyond the FPC RTL.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Applications

AstraLogica

AstraLogica: Orbital Command is a tactical retro-tech sci-fi simulation where you act as the Chief Operations Officer (COO) of an isolated space station. Your mission is simple yet brutal: Survive 14 Sol cycles against cosmic anomalies, power blackouts, reactor meltdowns, and mysterious deep space transmissions.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Science

cbzmanager

A FreePascal .cbz manager app

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Other

CROComponents

Delphi VCL component library providing data-aware controls integrated with RemObjects Remoting SDK

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

DebugEngine4Delphi

DebugEngine is a Delphi library of debugging and diagnostics utilities: symbolized stack traces, Exception.StackTrace hooks, crash logs, Delphi debug info (map) handling, CPU register snapshots, try-block enumeration, disassembly with debug-info comments and PE utilities. Biblioteca Delphi de utilitários de depuração e diagnóstico: stack traces,etc

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

delphi-amqp-core

Cliente AMQP 0-9-1 nativo para Delphi e RabbitMQ, com publish/consume assíncrono, ack/nack/reject, observabilidade e testes.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

Delphi-JRPC

JSON-RPC 2.0 Library for Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

delphi-service-host

Long-lived services that each own a thread and only ever talk through an event bus. Delphi and Free Pascal.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

DiskBender

Amstrad CPC DSK disk image manager — CLI, TUI, and GUI

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1

Graphics

EXE-Password-Protector

An "exe password protector" is software designed to add password protection to executable (.exe) files, preventing unauthorized access to the program.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

MCP2Delphi

Delphi VCL bridge for exposing forms, controls, diagnostics, and tools through the Model Context Protocol.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

MyraLang

Myra is a statically-typed, compiled language in the Pascal/Oberon tradition. It transpiles to C++23 and uses Zig as a build backend, producing real x86-64 executables and libraries for Windows and Linux. The backend is invisible. You write Myra. You get binaries. Myra - Pascal. Refined.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

NitroPascal

NitroPascal is a full-featured Object Pascal compiler built entirely on top of Parse() - the compiler construction toolkit. It exists to prove a point: a complete, production-quality language can be built with Parse() without touching a parser generator, a lexer generator, or a custom pipeline.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

nonVCL

A collection of nonVCL programs written with different compiler versions.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

pascalrest-web-api-framework

PascalREST is a FreePascal LANGUAGE micro framework that helps you quickly write simple yet powerful and fast web applications and APIs.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • BSD-2-Clause

Networking

SweetConsole

1-shot Delphi CLI apps with this AI agent for Delphi.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

URL-RadioStreamPlayer

For listening to Internet Radio Streams with many functions. Streaming technology is used to distribute Internet radio, typically using a lossy audio codec.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Multimedia