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Catalog

30,061 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.

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

FMXInput

Standalone Delphi desktop input library (not only FMX)

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

System

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

superterm

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

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

Networking

EdgeAudio

Voice Activity Detection (VAD)/talkover for Delphi (VCL TEdgeBrowser/WebView2), real-time audio capture and playback via JS bridge, high-pass filter, hysteresis, and an event engine for integrations.

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

Multimedia

WalletConnect.pas

Connects 500+ crypto wallet providers to your Delphi-made web app in seconds.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • GPL-3.0

Networking

WeatherInfo

A Delphi FireMonkey weather widget — GPS/IP geolocation, OpenWeatherMap integration, and a clean App.Controller separation of concerns demo.

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

Other

WebSocket4D

Biblioteca cliente + servidor WebSocket em Delphi (Indy 10, RFC 6455), sem dependência do DMVCFramework. MIT.

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

Networking

Delphi-Event-Dispatcher

Delphi Event Dispatcher (for short DED) is a publish/subscribe and Multicast Event framework for Cross platforms.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • Apache-2.0

Other

DelphiAPIStarterKit

DelphiAPIStarterKit is a clean and reusable starter template for building RESTful APIs and web services with Delphi WebBroker. It provides a structured project foundation, routing, request handling, response helpers, and practical examples to speed up backend development.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • Apache-2.0

Networking

NativeGrep

Fast parallel file-search library and CLI for Delphi (Win64), built on NativePattern - literal, fuzzy, masked-hex, and regex search with Unicode-aware matching.

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

Files and Drives

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

IPC2026

Participant material for the keynote and course 'Designing Databases with Delphi' — IPC 2026, Salamanca.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 3

Learning and Examples

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

delphi-concurrent-log

A thread-safe logging library for Delphi, with a portable core tested under Free Pascal in CI.

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

Other

delphi-fiber-runtime

Portable Pascal service runtime: fixed-rate scheduling, native timers, and measured 1 kHz execution. Fiber runtime under development.

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

System

delphi-ipc

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

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

System

dialog4D

Moved to https://github.com/eduardoparaujo/Dialog4D.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Dialogs

fpc-directui-demo

LCL 없이 순수 Free Pascal/Win32 로 만든 최소 DirectUI 스켈레톤 (windowless 컨트롤, GDI 더블버퍼, per-monitor DPI v2, 한글 유니코드)

  • Active
  • Other
  • Lazarus
  • GitHub
  • ★ 2

Learning and Examples

horse-provider-ics

OverbyteICS transport provider for the Horse framework — a drop-in alternative to Indy with modern OpenSSL 3.x/4.x TLS (TLS 1.3, mTLS). Delphi/Windows; enabled by {$DEFINE HORSE_PROVIDER_ICS}.

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

Networking

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

NitroVM

A High-Performance Virtual Machine for Delphi

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

Language Tools

oasis_framework

A Delphi plugin framework inspired by [Cordis](https://github.com/cordiverse/cordis).

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

Other

PasClaude

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

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

Applications

TSteamAPI

Pascal Bindings for Steamworks

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Bindings

-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

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

fpc-realmode

Unofficial enhanced Free Pascal cross-compiler for x86 real mode (host: x64 Windows / Linux)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1

Other

hakopascal

Lazarus/Free Pascal wrapper for HakoDB with a Firestore-style API plus design-time components

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Database Bindings

LUX.Render

3D Rendering Library for Delphi.

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

Graphics

MCP2Delphi

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

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

Other