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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.

PPface

PPface is vector processor emulator / simulator (SIMD array processor with 1-bit processing elements). VEPRAN language used to design parallel algorithms and operate data slices. The system allows to visualize algorithm work by viewing vector memory and registers, it supports debugging and animated program execution. To run this app on 64-bit system please install Windows Virtual PC and Windows XP Mode.

  • Quiet
  • Application
  • SourceForge
  • BSD License

Science

NppCalc

NppCalc - plugin for evaluates the expressions in the Notepad++ NppCalc used to work with math, trigonometry, statistics, combinatorics, arrays, sets, bits, strings, dates, color, image, measurement, file and folder, RS-232, TCP/IP, encoding, encryption, hashing, compression, etc, Over 400 functions. Q: How does this work? A: Just type function name and press Enter!

  • Quiet
  • Application
  • SourceForge
  • BSD License

Science

pasta80

Turbo Pascal 3.0-compatible compiler that generates machine code for classic and modern Z80 machines (currently CP/M, Sinclair ZX Spectrum 48K/128K/Next, and Agon Light/Console8).

  • Active
  • Application
  • GitHub
  • ★ 207

Language Tools

xdpw

XD Pascal: A small embeddable self-hosting Pascal compiler for Windows. Supports Go-style methods and interfaces

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 296
  • BSD-2-Clause

Language Tools

mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

Mad-Pascal

Mad Pascal Compiler for 6502 (Atari XE/XL, C64, C4Plus, Neo6502)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 167

Language Tools

P65Pas

CPU 6502 Pascal Compiler/IDE/Debugger

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 132
  • GPL-3.0

Language Tools

raster-master

Raster Master Sprite/Icon/Map/Animation/Sound editor for Windows 7/8/10/11 Multiple Import/Export formats. Use sprite sheets to import graphics. Create your own sprite sheets. Create modern web games or retro games

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 111
  • MIT

Graphics

PicPas

Compilador en Pascal para microcontroladores PIC / Pascal compiler for PIC microcontrollers

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 94
  • GPL-2.0

Language Tools

SKIAShellExtensions

Shell extensions for animations files (lottie, telegram, webp...) with Preview Panel, Thumbnail Icon, Lottie Editor. Powered by Skia4Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 87
  • Apache-2.0

Graphics

pascual

A self-hosted Pascal compiler

  • Quiet
  • Application
  • GitHub
  • ★ 17
  • Apache-2.0

Language Tools

atom-table-monitor

⚛️ Monitoring tool for global atom table and RegisterWindowMessage identifiers

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 75
  • MIT

System

xdp

XD Pascal: A small Pascal compiler for MS-DOS

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 52

Language Tools

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

crosspascal

CrossPascal aims to be a Delphi 7 compatible cross-platform source-to-source compiler which generates intermediate C code.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 47

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

Tracetool

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

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 45

Language Tools

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

WaterBallSortPuzzleOptimalSolver

The program optimally solves a general class of puzzles which as a special case also contains well known puzzles like "Water Sort Puzzle", "Ball Sort Puzzle", "Sort Hoop", "Sort It 3D" etc.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 41

Games and Game Engines

SedaiBasic

SedaiBasic Interpreter with VM

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

Language Tools

TurboBird

Fork of TurboBird (original by motaz) – updated and extended for modern Firebird versions

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 30

Database

Bitgrid

Bitgrid - a new model of computation

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 23
  • GPL-3.0

Science

Hexy

Convert images or any binary files into C source files with hexadecimal arrays for use in embedded applications.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 20
  • ISC

Files and Drives

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

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

pasriscv

PasRISCV is a RV64GCV/RVA23 RISC-V emulator, which is implemented in Object Pascal

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 17
  • Zlib

System

Myrissa

Myrissa is a modern systems programming language by Jarrod Davis, combining Pascal readability with robust C ABI interoperability. Written entirely in Delphi, its self-contained compiler generates native x86_64 code for Windows and Linux, with built-in linking, managed strings, unit testing, exception handling, and low-level control.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 15

Language Tools

LitePascal

Self host Object Pascal compiler with < 8000 sloc

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 14
  • MIT

Language Tools

effectus

Effectus by Boštjan Gorisek

  • Quiet
  • Application
  • GitHub
  • ★ 13

Other

emul99

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

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

System

PapajLang

:uk:🌐 Reverse Polish Notation (RPN) Calculator and interpreter of PapajScript language

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 10

Language Tools

tiny-prolog2

A simple Prolog II interpreter written in Pascal

  • Active
  • Application
  • GitHub
  • ★ 10
  • MIT

Language Tools

CapaCalc

Calculates the electrical capacitance of a variety of conductor arrangements:

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

Science

BeamScheme

Extract and analyse 1D profiles from 2D arrays and images. BeamScheme V0.5 will be retired once V1.0 is stable.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 8

Science

bruto-pascal

A Mini-Pascal IDE with LLVM backend and lldb debugger, built with Turbo Vision for Rust

  • Active
  • Application
  • GitHub
  • ★ 8

Language Tools

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

TinyPascal

Tiny Pascal Compiler and P-Code interpreter for the 1802, 8080, 8086....

  • Active
  • Application
  • GitHub
  • ★ 8
  • GPL-3.0

Language Tools

BypassUAC_DelphiXE7

Обход окна UAC Windows 7 - Windows 10 (RAD Studio XE7)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 7

Security

CPaskal

CPaskal Programming Language

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 7

Language Tools

tiger

Tiger compiler written in Free Pascal

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 7
  • Unlicense

Language Tools

Waskal

Waskal is a Pascal/Oberon-inspired language that compiles to wasm64 and packages code, assets, and runtime support into a single self-contained HTML file. It uses JavaScript to bridge WebAssembly with browser graphics, audio, and input, delivering portable, dependency-free apps and games with a simple double-click-and-run experience.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 7

Language Tools

modshell

Command-driven scriptable Modbus utility

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • EUPL-1.2

Networking

ORBIS

ORBIS BlockChain

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6

Other

delphi-aikit

Utilities for AI-assisted Delphi code analysis and builds.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

Language Tools

novamonitor

Modern, high-performance Delphi & Free Pascal system telemetry and process inspection dashboard (MVVM architecture, High-DPI, Dark/Light theme).

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 5
  • MIT

System

tc-jsontab2

WLX for Total Commander to show and edit JSON

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • GPL-2.0

Edit and Memos

BeamSchemeV1

A profile and image analysis tool for medical physics. This is virtually a complete rewrite of BeamScheme V0.54.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4

Science

GFX-Tool-Delphi

A tool to prepare images and edit fonts for Adafruit-GFX library

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 3

Graphics

lazmacropad

Very basic macro key pad

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 3

System

nxmcp

MCP for NexusDB

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

Database