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Catalog

30,060 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.

RekenTest

RekenTest is freeware educational software to practice arithmetic skills. It supports basic arithmetic operations like addition and subtraction, the muliplication tables and so on, as well as more advanced arithmetic operations like decimals, money problems, percentages and fractions. The software has lots of options and lets you organize your classroom with tasks and groups.

  • Quiet
  • Application
  • Lazarus
  • SourceForge
  • Mozilla Public License 2.0 (MPL 2.0)

Learning and Examples

OpenSIMPLY

Free discrete-event simulation software with high simulation performance for Delphi, Free Pascal, Lazarus. Suitable for Simula users.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 9
  • GPL-3.0

Science

albireo

Educational Astronomy Software

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

Science

Mecano

Educational software for learning about mechanics

  • Quiet
  • Application
  • GitHub
  • ★ 2

Science

Physics

Educational software for learning physics as well as knowledge assessment

  • Quiet
  • Application
  • GitHub
  • ★ 1

Science

School network @ ChG Traunstein

A portal project providing useful information for those who have the hard job administering a school network. Hints, tips, configurations and special software for servers that can be used in educational environments can be found here.

  • Quiet
  • Other
  • SourceForge
  • GNU Library or Lesser General Public License version 2.0 (LG

Networking

hus Struktogrammer

Dies ist ein Editor zum Erstellen von Nassi-Shneiderman Diagrammen / {This is an editor for creating Nassi-Shneiderman diagrams} Die ursprüngliche Delphi-Version wurde inzwischen durch eine neu in Java entwickelten Version abgelöst / {The original Delphi version has now replaced by a new version developed in Java} Für die Ausbildung und private Zwecke kann das Programm gratis benutzt werden / {For educational and private purposes, the program can be used free of charge}

  • Quiet
  • Application
  • Delphi
  • SourceForge

Applications

OptixGate

Open-source multi-purpose remote access tool for Microsoft Windows

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 211
  • GPL-3.0

Networking

VA-Models

Verilog-A simulation models

  • Active
  • Other
  • GitHub
  • ★ 122

Science

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

DX.Pdfium4D

Delphi Cross-Platform Wrapper for Google's PDFium - Object-oriented PDF document handling for Windows, macOS, Android, iOS

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • MIT

Bindings

Delphi_Remote_Desktop

Easy To Use Drag And Drop Desktop Duplication Components (Work In Progress!)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Networking

LKSL

LaKraven Studios Standard Library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 52

Other

xdp

XD Pascal: A small Pascal compiler for MS-DOS

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 52

Language Tools

Nanomits

Powerful anti dumping & Anti reverse engineering protection

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 44
  • GPL-3.0

Security

Delphi_Delta_ScreenShot_And_RDP

Fast Delphi screen sharing by sending only the pixels that changed. Great for low-bandwidth or real-time desktop streaming. Included RDP Demo!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Graphics Networking

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_Audio-Link_Components

Easy To Use Drag And Drop Audio Components For Delphi (Windows OS) Now With Audio Injection Support!

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21
  • MIT

Multimedia

superpascal

Per Brinch Hansen's SuperPascal compiler and interpreter, ported to Free Pascal for modern 64-bit Linux, with examples and automated tests.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 20
  • MIT

Language Tools

genav

DOS anti virus software

  • Active
  • Application
  • GitHub
  • ★ 12

Security

exemples

Delphi sample projects from the blog developpeur-pascal.fr

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 11
  • AGPL-3.0

Learning and Examples

aif

Audio Interface Program

  • Active
  • Application
  • GitHub
  • ★ 9
  • GPL-3.0

Multimedia

CapaCalc

Calculates the electrical capacitance of a variety of conductor arrangements:

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Science

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

jpmMath

Math routines by Jean-Pierre Moreau

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9

Science

PascWallet

PascalCoin FMX Wallet

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 8
  • MIT

Networking

flixaccounting

Build a non-trivial software project with Delphi

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6

Database

NNLightSwitcher

Small device based on Xilinx Zynq intended to use with NN

  • Quiet
  • Other
  • GitHub
  • ★ 5

Other

TetrisLike

Un "Tetris" en guise de démonstration de développement de jeu vidéo avec Delphi et FireMonkey.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 5
  • AGPL-3.0

Games and Game Engines

encryptor3

Delphi program to provide quick encryption/decryption of strings using LockBox 3.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Cryptography

BiLLY

Pascal Chatbot from the 2000s

  • Archived
  • Application
  • GitHub
  • ★ 3
  • GPL-2.0

Applications

cia

System information gathering utility. Coletor de Informações Automático (Automatic Information Collector). Delphi 7 educational tool discontinued 2014.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3
  • MIT

System

Dental-App

Roces Dental Patient Management is a Windows desktop application for dental clinics, providing an easy way to manage patient records and appointments. Built with Delphi and SQLite, it features a clean dashboard, user login, and reliable data storage in the user’s AppData folder.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 3

Database

sym4delphi

Less or more outdated simulations designed for DELPHI compiler, mosttly ported from ALGO. From 1993-2010

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 3

Science

ASTRO

Advanced Simulation Testbed for Robotics on Orbit

  • Active
  • Application
  • GitHub
  • ★ 2

Science

ExeShield

Another legacy code for learning purpose. ExeShield is intended to protect a binary (more for commercial apps) by applying a loader/cyper/packer before launching the protected app.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Security

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

neural-network-from-scratch

Neural network implementation from scratch for handwriting recognition based on the MNIST dataset.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 2
  • MIT

Science

adimRT

Units of Measurement Debugging for FreePascal

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

Other

EMUFAMI

Another NES Emulator for educational purpose. Written fully in Pascal, compatible with BP, FPC and TMT Pascal

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

Other

financial-dashboard-delphi

Sophisticated Financial Dashboard with Retirement Strategy Analysis - Built with Delphi/Object Pascal

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Other

FPGenda

FPGenda is a simple, lightweight and fully portable agenda and task management application written in Free Pascal using the fpGUI toolkit.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 1

Other

IonoProbe

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

Other

MacClassicBitMIner

A bitcoin miner specifically made for a Mac Classic or similar vintage computer with custom assembly code optimized for 68000 cpu.

  • Active
  • Library
  • GitHub
  • ★ 1
  • CC0-1.0

Cryptography

Pascal-FMX-Wallet

Cryptocurrency wallet for the Pascal blockchain (PascalCoin)

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Security

pascalcoin

This is the Delphi compiled source code of PascalCoinWallet.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 1

Applications