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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.

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

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

Discover for Delphi

Discover is an analysis tool that allows to measure how thoroughly Delphi programs have been tested. It shows interactively and directly in the source code which code sequences have been executed at least once and which have never been executed.

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

Language Tools

fpc_understand

Free Pascal static code analyser for Free Pascal and Lazarus Projects

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 24

Language Tools

Blaiz Tools

Tools for packing files, converting images, manipulating text, checking code and working with the Gossamer codebase and app source code.

  • Active
  • Application
  • SourceForge
  • MIT License

Language Tools

Yet Another Network Analyzer

Yana - Yet Another Network Analyzer. TCP, UDP, IP, ICMP, ARP, SNMP, EGP; FPT, SNTP, HTTP analysis tool with source code (Delphi in release 0.1.0, Freepascal in releases 0.2.x). Includes RFC1213 units libraries source.

  • Quiet
  • Application
  • Lazarus and Delphi
  • SourceForge
  • GNU General Public License version 2.0 (GPLv2)

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

delphi-lexer

[LIB] Tokenize Delphi source code into a complete, position-aware token stream with full round-trip fidelity and explicit invalid-token handling for parsers, formatters and tooling. Includes TokenCompare, TokenStats, TokenDump utilities along with custom Syntax Highlighter for SynEdit.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 10
  • MIT

Language Tools

DelphiDoc - JADD

Automatic generation of documentation on Delphi projects from source code. Distinctive features are exact parsing gathering lots of information and a division of the parser and configurable generators (HTML, Win- & HTML-Help, PDF, LaTeX, XMI export)

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

Language Tools

goosle

The "gc" language is a script language with c++ grammer and c++ class library . The gaiasle is a set of script language framework . It has some new ideas about soft development ,specially about web server programs .

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

Language Tools

GUI for rtl_power

"Real-time" wide band spectrum analyzer using rtl2832 dongle. Dowload latest built exe here: https://sourceforge.net/p/guiforrtlpower/code/HEAD/tree/Win32/Release/ click to rtlpan.exe, then click download it Place 3 files from osmocom's librtlsdr windows build http://sdr.osmocom.org/trac/attachment/wiki/rtl-sdr/RelWithDebInfo.zip rtlsdr.dll libusb-1.0.dll rtl_power.exe into the same folder and then run rtlpan.exe Also, it is better to have UAC turned off (as it ask for CreateProcess permissions). Detailed rtl_power utility description from author: http://kmkeen.com/rtl-power/

  • Application
  • SourceForge

Science

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

Alcinoe

Alcinoe empowers developers to build fast, modern apps without the usual complexity or performance bottlenecks. It keeps the focus on innovation—not tool constraints—delivering top performance, deep customization, and great cross-platform UX while staying independent of GAFA ecosystems.

  • Active
  • Package
  • Delphi
  • GitHub
  • ★ 1,134
  • Apache-2.0

Other

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

TokenUniverse

An advanced tool for working with access tokens and Windows security policy.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 668
  • MIT

Security

TeroSubtitler

Tero Subtitler is an open source, cross-platform, and free subtitle editing software.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 469
  • MPL-2.0

Multimedia

sas.planet.src

SAS.Planet is a free, open-source Geographic Information System (GIS) software designed for viewing, downloading, and managing high-resolution satellite imagery and conventional maps from various online sources.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 453
  • GPL-3.0

Science

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

EPANET2.2

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

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 265

Science

MakerAi

The AI Operating System for Delphi. 100% native framework with RAG 2.0, autonomous agents, MCP protocol, and universal LLM connector. Supports OpenAI, Claude, Gemini, Ollama, and more. Delphi 10.4+ (limited), full support from Delphi 12 Athens.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 216
  • MIT

Other

PsyloDbg

User-friendly Microsoft Windows Debugger for Malware Analysts.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 210
  • Apache-2.0

Security

mcx

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

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 197

Science

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

aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

Networking

VA-Models

Verilog-A simulation models

  • Active
  • Other
  • GitHub
  • ★ 122

Science

Delphi-Promises

Delphi implementation of promises for asynchronous programming.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 121
  • MIT

Other

Anti-WebMiner

Anti-WebMiner protects your PC against web cryptocurrency miners (JS scripts like Coinhive executed in the browser) by modifying Windows hosts file

  • Quiet
  • Application
  • GitHub
  • ★ 120
  • Apache-2.0

Security

BrainMM

Extremely fast memory manager for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MIT

System

honeyplc

High-interaction Honeypot for PLCs and Industrial Control Systems

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 102
  • GPL-3.0

Security Networking

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

incarcero

Incarcero is a tool that creates Virtual Machines (VMs) preconfigured with malware analysis tools and security settings tailored for malware analysis without any user interaction.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 94
  • GPL-3.0

Security

SIMsalabim

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

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

Science

CodeDroidAI

Generate code and forms with AI for Delphi Object Pascal and C++Builder using LLMs like ChatGPT and Vicuna-13b.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 91
  • MIT

Language Tools

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

DX.Comply

Generate CycloneDX SBOMs for Delphi projects — EU Cyber Resilience Act compliance in one click

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 60
  • MIT

Security

delphi-lookup

Fast Delphi/Pascal symbol search for AI coding agents - Now includes Delphi LSP

  • Active
  • Application
  • Lazarus and Delphi
  • GitHub
  • ★ 56

Language Tools

KBBUILDER

Source code for Knowledge Base builder

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 54

Language Tools

TestJSON

A simple project to test JSON libraries with Delphi and C++Builder.

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 50
  • MIT

Learning and Examples

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

steampipe-mod-github-sherlock

Interrogate your GitHub resources with the help of the world's greatest detectives: Powerpipe + Steampipe + Sherlock.

  • Active
  • Other
  • GitHub
  • ★ 42
  • Apache-2.0

Other

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

SnapTRAINER

A modular Virtual-PLC Trainer

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

System

qdac

JSON/XML/AMF/MessagePack/MultiThread and more functions library

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 33
  • MIT

Database

Dialog4D

A Delphi FMX dialog mechanism with async flow, per-form FIFO queueing, custom themes, worker-thread await support, and telemetry.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 32
  • MIT

Dialogs

DCU32INT

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

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 31

Language Tools

delphi-anomalies-detectors

A comprehensive Delphi library for detecting anomalies in business data using statistical and machine learning approaches. Designed for real-world applications including fraud detection, system monitoring, data validation, and quality control.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 31
  • Apache-2.0

Science

DelphiUsesGraph

A small, VERY fast micro parser to analyse very large Delphi projects (it can cope with million line projects and thousands of modules with ease). Provides an export to Gephi for graph analysis of unit dependencies.it

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 29
  • 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

maXbox4

code compiler script studio

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

Language Tools

UpdateFixer

Update Fixer is a lightweight app to fix Windows Update not working

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

System