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Catalog

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.

Gravity-Accelerator

This project implements a gravity accelerator using Verilog and Vivado. It simulates the physics of gravitational acceleration, calculating velocity and position over time within a digital circuit environment. The project includes testbenches and waveform analysis to ensure accurate simulation and performance.

  • Quiet
  • Other
  • GitHub
  • ★ 3

Other

Audio Monster Player

Audio Monster Player is a music player with very low resource usage built in Delphi simple skin and an easily listened music , It is capable of playing MP3, OGG, AAC, FLAC, WAV, WMA, TTA. It can play internet radio streaming and now supports local network. Enjoy all of your music on any computer in your home or office! Features: · Playlist functions, can search entire hard drive or specific folder and automatically generates playlist. · 3D Surround sound effects. · Direct X dynamic surround sound and settings. · 21 Band equalizer. · Audio Effect Processing Control and Environment Audio Effect (DSP Environment). · pitch control (or variable-speed) is a control on an audio device. · 3D Audio Simulation. · 11 Visual Plugin and You can use Fullscreen Plugin. Fixes : - fullscreen transparancy plugin - fixed bug audio effect (afx) - and more created by ibliz83 contact : https://www.facebook.com/Ibliz83

  • Application
  • Delphi
  • SourceForge
  • GNU General Public License version 3.0 (GPLv3)

Multimedia

ESCAPE

Environment for the Simulation of Computer Architectures for the Purpose of Education

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • GPL-3.0

Science

BioSynth

A terminal-based bio-hacking simulation. Master Regular Expressions (RegEx) to isolate, stabilize, and cure pathogens in a real-time 3D environment before the system breaches.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Games and Game Engines

cy.prus

cy.prus is a cross platform simulation environment for medical cybernetics and systems biology. Its purpose is to provide both a facility for simulating life and a GUI for easily constructing biological information processing structures based on XML.

  • Application
  • SourceForge
  • BSD License

Science

Simulated Evolution

MS-DOS VGA program demonstrates the concepts of evolution via reproduction, mutation and natural selection, all in an interactive graphical environment you can control in real time. This is not your grandfather's DOS program. Must see to believe!

  • Application
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

Science

virtual-vivarium

Virtual playground for artificial agents that grow, reproduce and evolve in order to test complex behavior emergence principles

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Science

Flucto_model

Adaptive Dynamics of Competitors in Fluctuating Environments DOI: 10.13140/RG.2.1.4872.3689

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 2

Science

Cheat-Engine

HELL STORM — Open-source analysis tool for studying competitive game mechanics in isolated test environments. Provides real-time memory reading, advanced data visualization, and interactive simulation to understand system responses. Designed for researchers and developers exploring security boundaries and improving defensive mechanisms.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 1

Games and Game Engines Science

VisualGameBuilder - The Cosmic Project

CO2 is a real-world simulator development package that integrates currently available technologies in order to provide an ever wanted environment for those who want to build simulators/games. The package includes an IDE called VisualGameBuilder.

  • Application
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

Games and Game Engines

Tiny.Sim

A cross platform real time 2D/3D graphics and 2D physics simulation library for Free Pascal

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 132
  • Zlib

Graphics Games and Game Engines

EPANET2.2

Perform extended-period simulation of the hydraulic and water quality behavior within drinking water distribution systems

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 265

Science

pasvulkan

Vulkan header generator, OOP-style API wrapper, framework and prospective Vulkan-based game engine for Object Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 230
  • Zlib

Bindings Graphics

mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

synapse

Synapse TCP/IP library for Delphi and Freepascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 157

Networking

VA-Models

Verilog-A simulation models

  • Active
  • Other
  • GitHub
  • ★ 122

Science

SIMsalabim

A 1D drift-diffusion simulator for semiconductor devices (LEDs, solar cells, diodes, organics, perovskites)

  • Active
  • Application
  • GitHub
  • ★ 92
  • GPL-3.0

Science

thundax-delphi-physics-engine

🛴 "Thundax Delphi Physics Engine" is a Delphi-based 2D physics engine for simulations and visualizations. It employs Pascal and is ideal for learning and experimenting with 2D physics concepts.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 81
  • MIT

Science

opsim

OpSim is an open source Chemical Engineering Process Simulator with a user friendly drag-and-drop graphical user interface and an underlying high performance simulation engine.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 43
  • GPL-2.0

Science

SnapTRAINER

A modular Virtual-PLC Trainer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 41
  • GPL-3.0

System

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

Delphi_TypeFX

Transform your Delphi coding experience with stunning keystroke animations and Audio Effects!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 13
  • MIT

Other

emul99

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

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

System

SWMM-GUI

Source Code for the Stormwater Management Model Graphical User Interface

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 9

Science

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

Formula4D

A typed formula and business-rule engine for Delphi, with validation, traceable execution, and portable JSON rule packages.

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

Other

IridiumSimulator

Interactive desktop simulator for systems biology

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Science

rezvivo

Open-source Zwift alternative in alpha: train on a smart trainer or freely explore OpenStreetMap in 3D. Indoor cycling, interval workouts, walking, free flight and Dream Worlds.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • GPL-3.0

Games and Game Engines

Callisto

Lua scripting for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • BSD-3-Clause

Language Tools

AstroSim

Astronomical Simulation is an open source n-body gravitational simulation of a set of asteroids.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Science

Designer

A visual form designer for .dfm files. Opens a form outside the IDE and loads the installed design-time packages, so every component is a real instance, no placeholders, and the inspector's rows come from the property editors those packages register. The form editor of Vallenta Studio for VS Code

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

Applications

Free-Simula

A compiler for Standard Simula, and our Free Simula dialect. Free Simula is a modernized Simula dialect, serves as a hobbyist project, and educational environments.

  • Active
  • Application
  • GitHub
  • ★ 4
  • MIT

Language Tools

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

P_SpaceChargeLight

P_SpaceChargeLight is designed especially for the solution of problems involving a metalic probe tip in proximity to a semiconductor surface.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 4
  • GPL-3.0

Science

SimulaBeta

A simulation program for insulin-glucose homeostasis.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4

Science

Aimsun.MicroApi4D

Object Pascal binding for Aimsun MicroApi with samples

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

Bindings

EPANET2-Lazarus

EPANET2 port to Lazarus opensource Delphi like compiler

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • Unlicense

Science

PLUA

Lua for Pascal

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

Language Tools

SPERT

Stochastic Project Evaluation & Review Technique project planning program

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 3
  • MIT

Science

Yutani-Building-better-worlds

A high-performance, multi-threaded 3D Sandbox & Multimedia Framework for Delphi. Powered by Jolt Physics, Raylib, R3D, SDL3, MiniAudio, TinySoundFont, libmpv, RecastNavigation, VerySimpleLua, GameNetworkingSockets, and Skia4Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • Apache-2.0

Games and Game Engines

ASTRO

Advanced Simulation Testbed for Robotics on Orbit

  • Active
  • Application
  • GitHub
  • ★ 2

Science

AutoForge

a WFC demonstrator project that revolves around a factory that rebuilds itself while maintaining production. The player rebuilds a crawler carrying a salvage factory across the salt flats. Each settlement needs a different combination of products. The factory travels with its inventory, upgrades and scars; the player decides how it evolves.

  • Active
  • Application
  • GitHub
  • ★ 2
  • MIT

Games and Game Engines

coRvid

Tools for Reproducibly running the mrc-ide covid sim

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Science

PascalBoids

Boids Flocking Simulation in Pascal

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Science

PasClaude

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

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

Applications

ray

X-Plane 12 Auto Missile Guidance Plugin

  • Active
  • Application
  • GitHub
  • ★ 2
  • MIT

Applications

SatLink

A space signal simulation game built with Free Pascal and Lazarus. Track orbital satellites, tune frequencies using BASS audio DSP, decode real-time telemetry, and archive anomaly messages to an SQLite database with zero-flickering BGRABitmap graphics.

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

Games and Game Engines

SyncDirPas

The Directory Synchronization program synchronizes the file contents of directories on a personal computer running Microsoft Windows or Ubuntu Linux.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Files and Drives

tbg_Console

Modern console utility class for Delphi with ANSI styling, teletype effects, input handling, cursor control, and more – no dependencies.

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

System

adc-model

adc-model provides a configurable ADC behavioral model, SPICE testbenches, and analysis scripts for static INL/DNL and dynamic FFT characterization.

  • Active
  • Library
  • GitHub
  • ★ 1

Other