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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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Delphi-Split-Panel

Design-time menu options to split a TPanel into two child panels, horizontally or vertically

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 13
  • MIT

Panels

SplitString

Cắt chuỗi ( 2 func chính split Explode_Count )

  • Quiet
  • Library
  • GitHub
  • ★ 1

Other

InfoBarToast

Lazarus components: TInfoBar, a non-modal MessageDlg on a strip over a form or control, and TToast. Plain LCL.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1

GUI containers

5.0 from 1 member

RADSplit

Dockable Split-Screen Editors for RAD Studio (Delphi and C++ Builder)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • MIT

Lazarus IDE plugins

DzHTMLText

Delphi and Lazarus HTML Label component

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 229
  • MIT

Labels

4.0 from 1 member

Delphi_TSplitterEx

Extended version of TSplitter that has clickable area and able to toggle visibility of linked control

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 8

GUI containers

Delphi-Crash-Reporter

Cross-platform Delphi crash/exception reporter (Linux, macOS, Android, iOS) that emits EurekaLog .el-format reports (open in the EurekaLog Viewer): call stacks, CPU registers, modules, source line numbers. RTL-only core, no FMX dependency, no EurekaLog license required.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • BSD-2-Clause

System

2.0 from 1 member

LIB-PM-Pascal_Cell_Toolkit

Pascal port of Cell Toolkit - library for OS/2 PM designed to simplify implementation of two important parts of user interface (UI). Split views and Toolbars.

  • Quiet
  • Library
  • GitHub
  • ★ 2

Other

NLDFiles

Componenten om bestanden te splitsen (TNLDFileSplitter) of bestanden aan elkaar te zetten (TNLDFileMerger)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1

Files and Drives

Coroutine-based multithreading library

. Delphi AIO implement procedural oriented programming POP style in Delphi. It means developer can combine advantages of OOP and POP, splitting logic to multiple state machines, schedule them to threads, connect them by communication channels like in GoLang

  • Library
  • Delphi
  • GitHub

Other

Delphi Drag&Drop Suite by Adrix.NT

The Delphi Drag and Drop Component Suite v5.2 released Drag & Drop Delphi Library (*) Sources & Build Projects included original designer: Anders Melander www: melander.dk Revised & Adapted by Vincent Radio {Adrix.NT} ________________________________________________________________________________ REVISION NOTES the original Library from Anders Melander was splitted into 2 separed packages - a Run Time Package: "VRAxDragDropRTLCompSuitePackage" - a Design Time Package: "VRAxDragDropCompSuiteDesignPkg" (Win32 only) this way you can also use it on your 64 bits (Win64) application and install the design time package (Win32) into Delphi IDE which is a 32 bits Applic !! have fun with Drag & Drop for more info please refer to ... MelanderBlog: melander.dk - The Drag and Drop Component Suite v5.2 released for any question about installation e-mail me at: adrixnt@hotmail.it PS: it seems not working in C++Builder !! Adrix.NT

  • Quiet
  • Library
  • Delphi
  • SourceForge
  • Affero GNU Public License, GNU General Public License versio

Other

Elysion Frameworks

Elysion Frameworks are a powerful, yet leightweight cross-platform multimedia library to help create games or graphical applications. The frameworks are splitted in three branches: ElysionKronos, ElysionLegacy and ElysionMobile.

  • Quiet
  • Library
  • Lazarus
  • SourceForge
  • MIT License, Mozilla Public License 1.1 (MPL 1.1)

Games and Game Engines Multimedia

gn-api-sdk-delphi

SDK em Delphi integrada a API Gerencianet. Esta SDK está preparada para integração à API Boletos da Gerencianet, que lhe permite realizar o gerenciamento de cobranças com boleto/Bolix, carnê, cartão de crédito e muito mais.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 11
  • MIT

Networking

Abbrevia

Newest and maintained version for recent compiler version only. Delphi Advanced data compression toolkit for Delphi and C++Builder. Supports PKZIP, Microsoft CAB, tar, gzip, and bzip2 archives, and can create self-extracting executables. On Windows it also provides Delphi wrappers for the LZMA, Bzip2, and WavPack SDKs, and PPMd decompression. Abbrevia also has several visual controls that simplify displaying and manipulating archives, including treeview and listview components. Features: Unicode filenames in all archive formats; Decompress most .zipx and legacy PKZIP v1 zips; ZIP64 support for archives larger than 2GB; Spanned and split zip archives; Cross-platform Windows, OS X, and Linux; No DLLs required; Includes COM component; Extensive documentation

  • Library
  • Delphi
  • SourceForge

Files and Drives

MORMot2

Synopse mORMot is an Open Source Client-Server ORM SOA MVC framework for Delphi 6 up to Delphi 10.3 Rio and FPC, targeting Win/Linux for the server, and any platform for clients (including mobile or AJAX).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 733
  • MPL, GPL or LGPL

Database In the Online Package Manager

delphi-jose-jwt

Delphi implementation of JOSE (JSON Object Signing and Encryption) and JWT (JSON Web Token)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 521
  • MIT

Security Cryptography

neural-api

CAI NEURAL API - Pascal based deep learning neural network API optimized for AVX, AVX2 and AVX512 instruction sets plus OpenCL capable devices including AMD, Intel and NVIDIA.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 465
  • LGPL-2.1

Science

delphi-neon

JSON Serialization library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 364
  • MIT

Other

pasvulkan

Vulkan header generator, OOP-style API wrapper, framework and prospective Vulkan-based game engine for Object Pascal

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 230
  • Zlib

Bindings Graphics

StyledComponents

Components similar to Delphi VCL Buttons, Panels, Toolbar, DbNavigator, BindNavigator, ButtonGroup and CategoryButtons with Custom Graphic Styles, and an advanced, full-customizable TaskDialog, also with animations!

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 218
  • Apache-2.0

Other

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

FreeEsVclComponents

Free ErrorSoft Components for Delphi (VCL) & EsVclCore lib

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 190

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

Delphi-MCP-Server

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

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

Networking

AIO

Coroutine-based multithreading library for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 121
  • Apache-2.0

System

rnl

RNL - Realtime Network Library - The opensource reliable UDP network library

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 90
  • Zlib

Networking

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

EditInVsCodeDelphiPlugin

Adds a "Open in Visual Studio Code" item in the Delphi Tools menu (great if you have the Copilot extension for Visual Studio Code)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 78
  • MIT

Lazarus IDE plugins

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

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

Javascript4D

A native JavaScript (ECMAScript 5.1) parser and interpreter written in Delphi/Object Pascal. Execute JavaScript code directly from your Delphi applications.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 61
  • MIT

Language Tools

d7zip

A Delphi Wrapper around 7z.dll

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 58

Files and Drives

BaseNcodingPascal

Library for encoding of binary data into strings using base32, base85, base128 and other algorithms for FPC and Delphi.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 52
  • MIT

Other

pascalscada

PascalSCADA for Lazarus

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 47
  • LGPL-2.1

System

zExpression

脚本与编译器内部的语法引擎内核，也是一种op内核，zExpression可以轻松实现自己的脚本引擎

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 47

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

Logify

Logify MetaLogger for Delphi

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

System

OverbyteICS

OverbyteICS. Outdated copy of SVN repository

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 38

Networking

benchmark

Delphi port of Google Benchmark

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • Apache-2.0

System

CWStudio-Components-Library

Modern Windows 11 / WinUI 3 (Fluent UI v9) styled VCL components for Delphi / RAD Studio.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • MIT

Other

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • BSD-3-Clause-Clear

Other

delphi-ppl

Extend Delphi Parallel Programming Library to ease async coding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • GPL-3.0

System

Delphicoin

Bitcoin for Pascal/Delphi programming language !

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Cryptography

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

TLSLib

TlsLib4Pascal is a fully managed, from-scratch TLS 1.2 + TLS 1.3 stack for modern Object Pascal (Delphi and FreePascal), released under the permissive MIT License.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 32
  • MIT License

Cryptography Networking In the Online Package Manager

gmlib_v2

Google Maps Library v2 is an open source library that encapsulates the Google Maps API.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 30

Graphics

PathMgr

Windows DLL for managing the system and user Path

  • Quiet
  • Library
  • GitHub
  • ★ 30
  • LGPL-3.0

System

dolphin

A Delphi/Object Pascal ML framework: GPT-style Transformers + GPU training + tabular DataFrames

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 27

Science

smPDF

Simple, lightweight PDF writer for Delphi VCL

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

Reporting