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30,061 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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PatternFinderPascal

Signature matcher/wildcard pattern finder in Pascal.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 20
  • MIT

Other

LPatternMatch

Pattern match engine adapted to Object Pascal from Lua 5.3 source code

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 8

Language Tools

Design-Pattern-for-Delphi

Some class helpers to improve my software architecture inside GOF Patterns

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3

Other

NativePattern

Fast pattern search library for Delphi with exact, masked, fuzzy and multi-pattern matching, stream support and AVX2 acceleration.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 3

Other

DzHTMLText

Delphi and Lazarus HTML Label component

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

Labels

4.0 from 1 member

pangea

modern design patterns for delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • Apache-2.0

Other

QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 714
  • Apache-2.0

Other

internettools

XPath/XQuery 3.1 interpreter for Pascal with compatibility modes for XPath 2.0/XQuery 1.0/3.0, custom and JSONiq extensions, pattern matching, XML/HTML/JSON parsers and classes for HTTP/S requests

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 138

Language Tools Networking

delphiguard

Automatic memory management for Delphi using RAII (Resource Acquisition Is Initialization) pattern

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 48
  • Apache-2.0

Other

DelphiEventBus

Implementation of event bus pattern for Delphi XE

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 41
  • MIT

Other

command-delphi

Command pattern for Delphi (IComand & TComand)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 29
  • MIT

Other

FluentXML

Object of generating XML document using Fluent Design Pattern.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 21

Other

dafce

DAF, Delphi Application Foundations (Community Edition)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 19

Other

delphi-dataproxy

Proxy component for data access TDataSet with Generator App tool and support for Fake memory datasets

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 19
  • MIT

Database

libpaspcre2

libPasPCRE2 is delphi and object pascal bindings for Perl-compatible Regular Expressions library (PCRE2). Library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5.

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 12
  • GPL-3.0

Bindings

advpascalutils

AdvPascalUtils is a library of some useful patterns and complex data structures implemented for FreePascal and Delphi.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 11
  • MIT

Other

active-object-delphi

Active Object Concurrency Design Pattern Implemented in Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 7
  • MIT

Other

servicelocator

Delphi implementation of the Service Locator pattern

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 7
  • MPL-2.0

Other

BitColor_Library_Delphi

The library is intended for handling and transform FMX TBitmap objects to simple bit colors images, search color patterns, spectral analyzing and other operations of this kind

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • MIT

Graphics

Motif

Motif is a flexible way to manage patterns that generate unique results in cases where there are many sub-cases with additional sub-cases

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 4
  • Apache-2.0

Other

delphi-async-pubsub

Asynchronous publisher/subscriber pattern

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3
  • MIT

Other

wakaru

tbd, pattern ai testing

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 1
  • MIT

Science

Dext Framework

. Delphi Modern Full-Stack ecosystem for modern Delphi development. It brings the productivity and architectural patterns of frameworks like ASP.NET Core and Spring Boot to the native performance of Object Pascal.

  • Library
  • Delphi
  • GitHub

Other

QuickLib

Quick development library (AutoMapper, LinQ, IOC Dependency Injection, MemoryCache, Scheduled tasks, Json and Yml Config and Options pattern, Serializers, etc) with crossplatform support for Delphi/Firemonkey (Windows,Linux,OSX/IOS/Android) and freepascal (Windows/Linux).

  • Active
  • Package
  • Delphi
  • Codeberg

Other

Benjamim

Benjamim - JWT library boss for token creation and verification

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 9
  • MIT

Security

LazarusVision

TUI Framework for Free Pascal using Lazarus LCL pattern for creating Forms/Buttons/Controls

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

GUI containers

PatchEngine

This is a simple patch engine written in Delphi. Support patterns too.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • GPL-3.0

Files and Drives

MVC-Lib4D

Reusable classes library for Delphi projects based on MVC pattern

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 2

Other

DTO4Delphi

Pattern DTO for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1

Other

AnyiQuack for Delphi

Object-(Time-Based-)Batch processing with closures, using the most modern OOP design patterns for Delphi>=2010. AnyiQuack is ideal for independent and distributed parametric animations, but the exact purpose is not specified (rationalized approach)

  • Quiet
  • Library
  • Delphi
  • SourceForge

Other

SynPDF

Synopse PDF engine is a fully featured Open Source PDF document creation library for Delphi, embedded in one unit

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 322

Reporting

delphimvcframework

DMVCFramework (for short) is a popular and powerful framework for Web API and Web Applications in Delphi. Supports RESTful and JSON-RPC WEB APIs development.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 1,420
  • Apache-2.0

Networking

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

ZXing.Delphi

ZXing Barcode Scanning object Pascal Library for Delphi VCL and Delphi Firemonkey

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 526
  • Apache-2.0

Graphics

OmniThreadLibrary

A simple and powerful multithreading library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 515

System

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

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

dext

Dext - Modern Full Stack Framework for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 330
  • Apache-2.0

Networking

WiRL

WiRL: RESTful Library for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 258
  • Apache-2.0

Networking

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

sempare-delphi-template-engine

Sempare Template (scripting) Engine for Delphi allows for flexible dynamic text generation. It can be used for generating email, html, reports, source code, xml, configuration, etc.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 177
  • Apache-2.0

Language Tools

QuickCore

Delphi Core Framework to fast build desktop/mobile/web apps.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 163
  • Apache-2.0

Networking

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

aws-sdk-delphi

AWS (Amazon Web Services) SDK for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 139

Networking

DelphiZeroMQ

Delphi implementation of ZeroMQ Majordomo protocol and CZMQ high level binding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 133

Networking Bindings

nx-horizon

NX Horizon - Event Bus for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 132
  • MIT

Other

pasmp

PasMP - a parallel-processing/multi-processing library for Object Pascal

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 125

System

Delphi-Promises

Delphi implementation of promises for asynchronous programming.

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

Other

DelphiUIAutomation

Delphi classes the wrap the MS UIAutomation library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 118
  • Apache-2.0

System

mrmath

Delphi matrix library

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 111
  • Apache-2.0

Science

SwagDoc

Create a public documentation REST API using Swagger 2.0 or Open API 3.2.1 for Delphi.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 108
  • Apache-2.0

Networking

TStateMachine

Generic State Machine framework for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 102

Other

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