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Catalog

30,057 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.

pxx

One from-scratch compiler for Pascal, C and Python: native static binaries for Linux (x86-64, i386, aarch64, arm32, riscv32), wasm32, and ESP32-S3/C3 firmware. Own RTL, ELF writer and linker; self-hosting. Beta 0.1 'Blaise'.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MPL-2.0

Language Tools

abc-pascal-tui

abc-pascal-tui is an IDE for Pascal based on the PascalABC.NET compiler, utilizing a Python-based TUI (Text User Interface).

  • Active
  • Application
  • GitHub
  • ★ 7
  • MIT

Edit and Memos

maXbox5

The Art of Coding: maXbox is a script tool engine, compiler and source lib all in one exe to design and code your scripts in a shellbook! It supports Pascal, Delphi (VCL), Python (P4D), PowerShell and Java Script (Edge WebView).

  • Active
  • Application
  • Delphi
  • SourceForge

Language Tools

pascak

pascak is a Pascal-style scripting language with the power of Python, developed to run on any device that has a Pascak virtual machine (PVM). ///Note: 100% hobby; 100% written by deepseek (free version); device used 100% realme2 pro; compiler used freepascal on termux; not tested on any OS (windows, linux, etc.)

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 1

Other

gCode

Yet another scripting language Main features: - Pointers - Structures - Objectoriented programming (yet to come) - code in plain english - easy to learn (based on C, C++, Java, Pascal, Python, Lua)

  • Quiet
  • Application
  • SourceForge
  • BSD License

Language Tools

awesome-pascal

A curated list of awesome Delphi/FreePascal/(any)Pascal frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Open source and freeware only!

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 2,096
  • CC0-1.0

Learning and Examples

YTuner

YTuner is a simple project designed to replace vTuner internet radio service and dedicated to all users of AVRs made by Yamaha, Denon, Onkyo, Marantz, Pioneer, HK and others with built-in vTuner support.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 156
  • MIT

Networking Multimedia

surf-ice

GLSL surface rendering source code. Compiled versions available from NITRC. Loads 3DS, CTM, DXF, FreeSurfer, GII (GIfTI), GTS, LWO2, MS3D, MZ3, NV (BrainNetViewer), OBJ, OFF, PLY, STL, VTK. Tractography formats include BFloat, PDB, TCK, TRK, and VTK. Also NIfTI format voxelwise images.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 138
  • BSD-2-Clause

Graphics Science

SIMsalabim

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

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

Science

VindexLLM

VindexLLM is a pure Delphi, GPU-powered LLM inference engine that uses Vulkan compute shaders to run GGUF models entirely on the GPU. It performs full transformer inference without relying on Python, CUDA, or other external runtimes, requiring only vulkan-1.dll, which is typically included with modern GPU drivers.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 73

Science

VSoft.AnsiConsole

A Delphi library for creating engaging console applications

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

System

PasClaw

Ultra-lightweight native AI agent framework written entirely in Object Pascal for Delphi and Free Pascal, designed for performance, portability, and extensibility.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 67
  • MIT

Science

miniedit

Mini text editor with highlighting code, made for PHP, Pascal, D, Lua, HTML and css or any text code.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 64
  • MIT

Edit and Memos

Avocado

Avocado - Polish programming language

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 57
  • 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

dn

DN revitalization

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 43

Files and Drives

SimpleIPC-lib

Simple IPC (interprocess communication) for any program to communicate with another program in any language, with examples in GoLang and Freepascal

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 43
  • MIT

System

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

dss_capi

A multi-platform, customized C-API library and alternative implementation of OpenDSS (EPRI Distribution System Simulator) aiming for full COM compatibility. Unofficial/unsupported by EPRI, but extensively tested.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 41
  • BSD-3-Clause

Science

LuaDecompiler

Lua bytecode disassembler and decompiler for Lua 5.1, 5.2, 5.3, 5.4, and 5.5 binary chunks.

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

Language Tools

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • BSD-3-Clause-Clear

Other

duckdb-fp

A clean and intuitive wrapper for DuckDB in FreePascal, providing easy database operations and DataFrame-like result handling.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 35
  • MIT

Bindings Database

pascalutils

PascalUtils is an object library for delphi and FreePascal of data structures that implements syntactic sugar similar to that of other modern languages as far as syntax allows.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 35
  • MIT

Other

pascal-pipes-faa

Cross-platform inter-process communication for Delphi 12+ (Win64) and FPC/Lazarus (Linux x86_64/ARM64): the same API at three scopes — local IPC (Named Pipe/UDS), TCP and TLS with optional mTLS. Synchronous Request-Reply, topic pub/sub with wildcards and retain, AutoReconnect and thread-safe dispatch (pool/serialized/main thread).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • MIT

System

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

PineEngine

A Pine Script interpreter written in Delphi and Free Pascal, designed to execute scripts and return results as JSON.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 28

Language Tools

maXbox4

code compiler script studio

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 26
  • GPL-3.0

Language Tools

corail

Plus de 510 utilitaires (en format EXE) en Turbo Pascal et/ou Free Pascal

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 25
  • MIT

System

delphi-ide-remote-mcp

An MCP server that turns a Windows RAD Studio machine into a remote backend for coding agents: safe editing, real MSBuild builds, git, scaffolding, deploy & remote run via PAServer, Android (adb), Linux and Windows desktop control, DelphiLSP navigation, vault. Per-workspace security. Built for our own use, shared under MIT; no commercial plans.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 23
  • MIT

Lazarus IDE plugins

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

tina4delphi

Tina4Delphi - A comprehesive set of tools to make REST and application integration better

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • MIT

Networking

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

BookPart_3

This project will accompany Part 3 of Writing an Interpreter in Object Pascal.

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 18
  • Apache-2.0

Learning and Examples

EdgeZipServer

Library for Delphi to serve static files in Edge (WebView2) browser from files in a zip archive

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 17

Networking

OmniScope

This Zig-based LLVM analysis framework focuses on static unsafe/ffi boundary analysis.

  • Active
  • Other
  • GitHub
  • ★ 17
  • Apache-2.0

Language Tools

XIDE

This Lazarus project provides a RAD IDE for Free Pascal in the browser (Chrome) or desktop.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 17

Language Tools

NativeAsm

Native x86-64 code generation, JIT execution, SIMD, disassembly, and runtime instrumentation for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 16
  • MIT

Language Tools

stringkit-fp

Comprehensive string toolkit for Free Pascal and Lazarus with 80+ operations for case conversion, validation, fuzzy matching, parsing, encoding, phonetics and text analysis. No third-party dependencies.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Other

tempo

Tempo - a simple, native time tracking application for personal productivity.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Date and Time

tina4pascal

HTML-driven native apps in Free Pascal — one codebase, six targets, no browser, no widget toolkit

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Networking

FhazEditor

Built natively with Lazarus/FPC — blazingly fast, minimal footprint, 100% bloatware-free.

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

Edit and Memos

tpx

TpX: drawing tool for TeX

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 15
  • GPL-2.0

Graphics

Bru2Nii

Bruker ParaVision to NIfTI conversion

  • Quiet
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 14

Science

appcentral

A lightweight plugin system for Windows that lets host applications and DLLs exchange interfaces — across languages.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 13

System

ft

A widget toolkit?

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 12
  • MPL-2.0

GUI containers

lcd-display-designer-v2

Design layouts for 20x4 or 16x2 LCD Displays (with HD44780 controller) connected to Arduino, Raspberry Pi or other.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 12
  • GPL-3.0

Other

LINUX-0

Clone Linux en Pascal (Turbo Pascal ou Free Pascal)

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 12
  • MIT

System

torov

ToroV allows user's applications to run as VMs and to communicate with the host OS by relying on a POSIX hypercall interface.

  • Quiet
  • Application
  • GitHub
  • ★ 12
  • GPL-3.0

System

DEV-COOLS

Suite de plus de 200 commandes pour les développeurs écrit en Pascal (Turbo Pascal et/ou Free Pascal).

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 11
  • MIT

Applications