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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.

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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

BGRAControls

Set of LCL visual components. Analog controls, button, checkbox, toolbar, panel, ribbon, progressbar etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 226
  • Modified LGPL

Graphics In the Online Package Manager

skia4delphi

Skia4Delphi is a cross-platform 2D graphics API for Delphi platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 793
  • MIT

Graphics

G-Code-Flow-Temperature-Controller

A post processing script for OrcaSlicer that demonstrates how automatically adjusting Nozzle Temperature and Flow rate (Print Speed) can significantly improve both print time and quality, while also simplifying slicer settings.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 318
  • MIT

Other

FortesReport-CE

Report generator (from Brazilian software company). Reports are composed of bands that have specific functions in the print stream.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 289
  • Apache 2.0

Reporting In the Online Package Manager

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

Delphi-GCharts

Delphi-GCharts is a Delphi library of components to generate charts in uniGUI Framework using the Google Charts API

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 146
  • Apache-2.0

Charts and Graphs

Delphi-MCP-Server

Native Delphi Server implementation of the Model Context Protocol (MCP)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 143
  • MIT

Networking

MarkdownShellExtensions

A Markdown Text Editor to manually edit a markdown file, with instant preview of the output in a HTML Viewer. A Preview handler which allows you to see the content of the markdown file without open it, in the "Preview Panel", integrated into Windows Explorer.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 120
  • Apache-2.0

Edit and Memos

scalemm

Fast scaling memory manager for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 107

System

DelphiComponents

This repo includes some free Delphi components compatible with various Delphi IDEs

  • Quiet
  • Package
  • Delphi
  • GitHub
  • ★ 96
  • Apache-2.0

Other

MarkdownHelpViewer

MarkdownHelpViewer is an integrated help system based on files in Markdown format, for Delphi applications, plus a useful component to embed help inside the App.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 94
  • Apache-2.0

Applications

DinosOffice

Compontent delphi for OpenOffice/LibreOffice

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 88
  • MIT

Reporting

TyControls

A skinnable / styleable Lazarus component library: every control is fully custom-drawn (BGRABitmap) and its appearance is driven uniformly by lightweight CSS-lite text themes (.tycss), rendering pixel-identical on Windows / Linux / macOS.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 81

Other In the Online Package Manager

Markdown4D

Native Delphi Markdown library: CommonMark/GFM parser with public AST, incremental/streaming parsing, HTML renderer, markdown writer, and custom-drawn VCL & FMX viewer/editor components

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 72
  • MIT

Edit and Memos

chart4delphi

Unit for creating graphics without using third-party components.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 56
  • GPL-3.0

Charts and Graphs

MarkdownProcessor

A Markdown Processor Library for Delphi, to process and convert markdown files to HTML.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 56
  • Apache-2.0

Other

RADWinUI

A WinUI-3 framework for Delphi + IDE Plugin and Tool Palette components.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 55
  • MIT

Other

SVGIconViewer

A simple SVG icon library viewer containing over 47,700 individual icons for windows

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Graphics

CodrutsVisualLibrary

A suite of component similar to the Fluent Design System in Microsoft Windows 11. Components & Units are made in Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 45

Other

Chart4D

Native Delphi charting library for VCL and FMX: clean newspaper-style defaults, PNG export, zero dependencies

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 43
  • MIT

Charts and Graphs

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

TeeTree

Delphi / C++, VCL, Firemonkey FMX, Flowcharting, Diagramming, Tree-view Component Library

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 40

Graphics

TWLazUI

"A modern, Tailwind CSS-inspired UI component library for Lazarus and Free Pascal, powered by BGRABitmap." (Pustaka komponen UI modern bergaya Tailwind CSS untuk Lazarus dan Free Pascal, ditenagai oleh BGRABitmap.)

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 29
  • MIT

GUI containers

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

vsop2013

Astronomy. VSOP2013 planetary positions. PlanetFun App: Solar system model in 3D. LeapFrog Gravity Integration. Stars, Moon and planets. The discovery of Neptune

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 28
  • MIT

Science

KittoX

A Delphi framework for creating data-driven WEB SPA applications with HTMX

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 26
  • Apache-2.0

Networking Database

ExcelExport4D

Fluent Delphi library for exporting TDataSet data to Excel — COM automation or direct OpenXML .xlsx generation under the same API.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 22
  • MIT

Database

FMX_Tone_Beep

Delphi multi-platform Firemonkey FMX Beep Tone, Windows and Android

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 20
  • Unlicense

Multimedia

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

Blinki

A library for modern, beautiful Text User Interfaces (TUIs) for Delphi

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

Other

tina4pascal

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

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

Networking

JDLib

JD Library of Custom Components and Controls

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 15
  • GPL-3.0

Other

Admiral

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

Database

pk_gtfc

Component show chart gantt for Lazarus\CodeTyphon

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 13
  • LGPL-2.1

Charts and Graphs

blood

Lazarus application project with a TChart component and a plugged in TChartToolset component and configured tools to visualize and explore blood data in a chart

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 10
  • MIT

Charts and Graphs

Nassi-Shneiderman-Editor

Nassi-Shneiderman Editor: Intuitive graphical tool for creating and editing Nassi-Shneiderman diagrams, enhancing algorithm visualization and software development

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 10
  • MIT

Graphics

R-Plot

Visualization of measuring data

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 10
  • MIT

Charts and Graphs

firewall-pascal

Simple HTTP proxy-firewall in Pascal/Lazarus

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9

Networking

The-syntax-diagram-editor

This program is intended for constructing syntactic diagrams using vector graphics.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 9

Graphics