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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.

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

PasCop

PasCop is a tool for static program analysis of Object Pascal source codes. It helps to comply with the principles of Clean Code Development and supports the developer in creating readable source code.

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

Language Tools

fpc_understand

Free Pascal static code analyser for Free Pascal and Lazarus Projects

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 24

Language Tools

delphilint

Delphi IDE package providing on-the-fly code analysis and linting, powered by SonarDelphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 150
  • LGPL-3.0

Lazarus IDE plugins

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

delphilint

Delphi IDE package providing on-the-fly code analysis and linting, powered by SonarDelphi

  • Active
  • Library
  • Delphi
  • Codeberg

Lazarus IDE plugins

DelphiSCA

Static code analysis tools for Delphi

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 15
  • MPL-2.0

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

FastMM5

FastMM is a fast replacement memory manager for Embarcadero Delphi applications that scales well across multiple threads and CPU cores, is not prone to memory fragmentation, and supports shared memory without the use of external .DLL files.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 345

System

mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

SIMsalabim

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

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

Science

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

KBBUILDER

Source code for Knowledge Base builder

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 54

Language Tools

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

DCU32INT

Its a version of http://hmelnov.icc.ru/DCU/index.eng.html, to support RFindUnit Project

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 31

Language Tools

Vidi

The Vidi Language

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 31

Language Tools

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

Tiger

Tiger is a Delphi-hosted compiler infrastructure that lets you generate native x86-64 binaries for Windows and Linux — executables, shared libraries, static libraries, and object files — entirely from code. There is no source language to parse. Instead, you construct programs using a fluent Delphi API: define types, declare functions.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

Language Tools

DelphiStabilityAI

The Stability API wrapper for Delphi utilizes advanced models developed by Stability.ai to provide capabilities for seamless image, video, and 3D generation, as well as sophisticated editing and upscaling tools, tailored for creative and professional use.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • MIT

Networking

WDDelphiTools

Collection of Delphi units and tools from Waldemar Derr

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 18
  • MIT

Other

OmniScope

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

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

Language Tools

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

DelphiProjectHandoff

Experimental software: Delphi Project Handoff independent FMX application

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 13
  • Apache-2.0

Other

Delphi-LitCrypt

Delphi plugin that provides compile-time string encryption

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 11
  • MIT

Cryptography

Lude

Lua 5.1, natively ported to Delphi and FreePascal, implementing the Lua 5.1 C ABI as a drop-in replacement for lua5.1.dll / .so / .dylib

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 11

Language Tools

DelphiKeyboard

IME에 의존하지 않는 두벌식 한글 조합 오토마타 내장 Delphi VCL 가상 키보드

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • MIT

System

horse-provider-crosssocket

High-performance, security-hardened CrossSocket provider for the Horse web framework. Replaces the default Indy provider with IOCP/epoll async I/O, an object pool, enforced request limits, and OpenSSL 3.x native TLS.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9

Networking

jpmMath

Math routines by Jean-Pierre Moreau

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9

Science

UnitConv

Converts units of measurement data

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

Science

IAP

A Library bundled for the ITDevCon 2014 presentation "Immersive Audio Programming", which contains the necessary code to build a platform independent audio environment with Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • MIT

Multimedia

TestGrip

Delphi Test generation framework

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 8
  • MIT

Language Tools

BlaiseVue

The Universal Reactive Framework for Object Pascal. Build modern Web (SPA/SSG), Native Mobile (Android/iOS), and Ultra-light Desktop apps from a single Pascal codebase.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 7

Other

CPaskal

CPaskal Programming Language

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 7

Language Tools

NativeMirror

Native Delphi implementation of PE-sieve functionality with a reusable library, CLI, and PE-sieve-compatible DLL for HollowsHunter integration.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 7
  • BSD-2-Clause

Security

balance

Balance is a 2D physics engine implemented in PascalABC.NET

  • Active
  • Library
  • GitHub
  • ★ 6
  • MIT

Science

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

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

Pommes_Engine_Kernel_Driver

Pommes Engine — Personal fork of Cheat Engine 7.5. Fully rebranded from source: all names, strings, binaries, and resources renamed. Custom kernel driver written and compiled from scratch with MSVC/WDK. Main executable processed through VMProtect. Built with Lazarus/FPC. For personal use and local testing only.

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • GPL-2.0

System

delphi-aikit

Utilities for AI-assisted Delphi code analysis and builds.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

Language Tools

StimSync

Open and versatile software and harware for valitdating timing in psychology experimemts and collecting responses

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • BSD-2-Clause

Science

StimSync

Firmware + other software useful for using our custom StimSync Device

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • BSD-2-Clause

Science

bp

Better Pascal, LLM-friendly mem-safe FP dialect based on Rust, Go & Goose concepts

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4

Language Tools

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

Ouress

An Opinionated Underlabouring Research Environment for the Social Sciences

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • BSD-3-Clause

Science

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

Comment-Remover

This is a useful program for any programmer who does not want to have comments in their code.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 2

Language Tools

dcu32int

The utility DCU32INT parses *.dcu file and converts it into a close to Pascal form.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 2
  • Apache-2.0

Language Tools

ERD-Card-Toolkit

A Delphi component library for reading and writing smart cards, contactless tags, magnetic stripes and RFID input on Windows.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 2

System

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

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