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Catalog

30,058 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.

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sturdy

Sturdy is a library for developing sound static analyses in Haskell.

  • Quiet
  • Other
  • GitHub
  • ★ 64
  • BSD-3-Clause

Other

Markup

Markup, a specialized authoring language for creating semantic HTML with one consistent syntax. It replaces manual HTML coding with a streamlined, Turing-complete system that supports variables, logic, and reusable components. Delivered as a compiled DLL, it includes JSON binding, semantic analysis, and customizable rendering

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 10

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

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

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

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

CANcool

Open Source CAN bus Analyser and Simulation Software

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 73
  • MIT

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

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

Delphi_Remote_Desktop

Easy To Use Drag And Drop Desktop Duplication Components (Work In Progress!)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Networking

wininspector

WinInspector is a real-time Windows inspection utility that provides comprehensive information about windows, processes, and monitors under your mouse cursor. Born as the spiritual successor to TDWinInfo (originally developed 25+ years ago), WinInspector offers significantly enhanced functionality and modern capabilities.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 51
  • Apache-2.0

System

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

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

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

Delphi_Delta_ScreenShot_And_RDP

Fast Delphi screen sharing by sending only the pixels that changed. Great for low-bandwidth or real-time desktop streaming. Included RDP Demo!

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Graphics Networking

maXbox4

code compiler script studio

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

Language Tools

DX.TOML

Delphi TOML Library

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 24
  • MIT

Other

UpdateFixer

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

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 23
  • 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

DelphiMCP

MCP server for Delphi Application debugging and automation from AI side

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • MPL-2.0

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-App-Watcher

Stops the applications on the network to allow the executable to be replaced, then restarts them.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 18
  • MIT

System

SBOMgen

SBOM generator tool for Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 18
  • MIT

Security

WDDelphiTools

Collection of Delphi units and tools from Waldemar Derr

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

Other

SedaiAudio

Sedai Audio Foundation - Professional audio synthesis library in Free Pascal. 5 Synthesis Engines: Classic/Subtractive, FM (DX7-style), Wavetable, Additive, SID Evo.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 16
  • GPL-3.0

Multimedia

DelphiProjectHandoff

Experimental software: Delphi Project Handoff independent FMX application

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

Other

P4D_AI_ML

P4D AI&ML extension for Python packages

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 13

Language Tools

DefenderCheck

Identifies the bytes that Microsoft Defender flags as a threat. Delphi Version

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 11

Security

WinFluorXE

WinFluor (Delphi XE compiled)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 10

Science

DelphiKeyboard

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

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

System

DProj2WinSetup

Windows setup program generator from a Delphi project options file.

  • Archived
  • Application
  • Delphi
  • GitHub
  • ★ 9
  • AGPL-3.0

Applications

jpmMath

Math routines by Jean-Pierre Moreau

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9

Science

Lattice

Computer-Assisted Qualitative Data Analysis Software (CAQDAS) for coding textual data, retrieving coded segments, and analysing patterns

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • AGPL-3.0

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

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

lazfpc-mcp

The MCP for Lazarus IDE and Free Pascal Compiler and it wrap an LSP with it too. (Pascal Language Server)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 7

Language Tools

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

MCPServer

MCP server for Windows Debug Strings

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 6

Networking

Memory-DLL-Loader

Simple, Easy, Reliable Implement To Load DLLs From Memory Stream In Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 6

System

pascal8000

Conversion of the mainfram IBM 370-based Pascal compiler to run under Free Pascal

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 6
  • CC0-1.0

Language Tools

SkillsORM

# SkillsORM — Skills Pack para desenvolvimento Delphi/FPC com IA

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 5

Other

Xinorbis

Powerful storage (ssd/folder/hd/usb drive) analysis. Version 10 in progress (C++ rewrite).

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

Files and Drives

gmarathon-freepascal

The SQL Tool for Firebird is a feature-rich, client or server-side based GUI development tool for all Firebird database objects like Tables, Triggers, Stored Procedures, etc.. Written in FreePascal (Lazarus)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4

Database

LCARS-Door-Rainmeter-Skin

A suite of rainmeter skins that imitates the LCARS GUI from the computers seen in star trek TNG

  • Active
  • Other
  • GitHub
  • ★ 4
  • MIT

Other

Ouress

An Opinionated Underlabouring Research Environment for the Social Sciences

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

Science