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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.

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fp-humanize

A Lazarus package to humanize some values like Bytes, Numbers, Ordinals and Time

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Other

WipeOut - Secure Data Erase and Privacy

WipeOut is secure data deletion method & application. WipeOut method is designed to be fast and secure. WipeOut also has many sub schemes for faster (but not weak) wipe process .

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

Security Files and Drives

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

Dam

Delphi and Lazarus Message Dialogs with Formatted Text

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 167
  • MIT

Dialogs

GpDelphiUnits

A collection of my open sourced Delphi units

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 190
  • BSD-3-Clause

Other

Delphi-LightSaber

Lots and lots of "goodie" functions and 70 visual controls. More than 15 years of development have been put in this library. The library also wants to be a lightweight replacement for the mammoth Delphi Jedi library.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 157

Other

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 146
  • MIT

System

pixie

A lightweight HTML/CSS rendering engine for Free Pascal (Lazarus) and Delphi (VCL & FMX).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 25
  • MIT

Graphics

ezdml

Lightweight data modeling and design tool (超轻量级的数据建模表结构设计工具)

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 103
  • LGPL-2.1

Database

MfPack

Delphi translations for Microsoft Media Foundation and related API's

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MPL-2.0

Bindings Multimedia

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

OfficeXML4D

Delphi library for reading and writing Office Open XML documents

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 80
  • MIT

Reporting

notetask

A simple application for creating and organizing task lists, offering essential features for efficient task management, similar to Notepad in its simplicity and functionality.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 79
  • GPL-3.0

Applications

DynamicDataObjects

This Delphi code library lets you model structured data and serialize to/from : CBOR, JSON, MessagePack msgpack.org[Delphi], ION, UBJSON, BSON, Smile, DataObj, etc.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

Other

delphi-lookup

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

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

Language Tools

MultiLog4D

Biblioteca para criação de logs de aplicativos Android

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 55
  • Apache-2.0

Other

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

bbutils

A bunch of important low-level functions missing in FreePascal, e.g. string or array manipulation functions.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 46

Other

Tracetool

Tracetool viewer, client Api for Dotnet, Java, Javasvript, C++ , Python, Delphi

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 45

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

Delphi-samples

Delphi project samples for Windows, Mac, iOS, Android, Linux, internet of things and web

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 42
  • AGPL-3.0

Learning and Examples

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

TeeTree

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

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 40

Graphics

xTranslator

Text & translation editor for Skyrim, Fallout4 and Starfield mods

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 40
  • MPL-2.0

Games and Game Engines

csscontrols

Implementation of basic css drawing for pascal (fpc, lazarus, delphi)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 38
  • Apache-2.0

GUI containers Graphics

delphi-leakcheck

Multi-platform leak checking library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • Apache-2.0

System

Logify

Logify MetaLogger for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 38
  • MIT

System

Badger

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 36
  • MIT

Networking

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

CachedTexts

The fastest parsing and generation of text data (Delphi6-XE10)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 31
  • MIT

Language Tools

SedaiBasic

SedaiBasic Interpreter with VM

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 31
  • GPL-3.0

Language Tools

smPDF

Simple, lightweight PDF writer for Delphi VCL

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 26
  • MIT

Reporting

delphi-loop

DelphiLoop - agentic AI loop for Delphi. Multi-agent architecture, LLM integration, RAG - all in native Delphi.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 25

Applications

DX.TOML

Delphi TOML Library

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

Other

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

FluentXML

Object of generating XML document using Fluent Design Pattern.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21

Other

i18n

The i18n package is a library of Delphi components, classes, and procedures to fully and easily localize Delphi applications targeting the Windows platform.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21
  • MIT

Other

florialib

Helper library for creating Floria Toolkit

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 3
  • MPL-2.0

Other

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

DelphiEnum

Generic Enumerated Record Type Helper allowing Implicit bi-directional String and Integer Casting

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 15
  • BSD-3-Clause

Other

FluentHTML

A library on Pascal, for direct use of HTML tags. Based on HTML5 tags. It can only be used to generate HTML5 Tags, there is no Parse function.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 14

Networking

Utils

A general utilities library for Delphi projects

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 12
  • MIT

Other

PascalFramework

Pascal Framework is a foundational library for Free Pascal, Lazarus and Delphi applications.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 1
  • MIT

Bindings Language Tools

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

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

CapaCalc

Calculates the electrical capacitance of a variety of conductor arrangements:

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

Science