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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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pusher-http-delphi

Delphi library for interacting with the Pusher HTTP API

  • Archived
  • Library
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Networking

PushNotifications

Push Notification using Embarcadero Rad Studio Tokyo 10.2.3 on Android and Apple Devices written in C++ and Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 15

Networking

PushClient

A cross-platform method of using Firebase Cloud Messaging (FCM) to receive push notifications

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • Apache-2.0

Networking

ntfy-for-delphi

Friendly library to push and receive instant notifications using ntfy.sh servers in Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 81
  • MIT

Networking

GExperts

Synced every now and then from git svn clone https://svn.code.sf.net/p/gexperts/code/trunk; Syncing steps: first time `git svn clone https://svn.code.sf.net/p/gexperts/code/trunk GExperts.git-svn`, then `git remote add origin https://github.com/jpluimers/GExperts.git` and `git push origin master`, then each additional time from inside the `GExperts.git-svn` directory: `git svn fetch` followed by `git svn rebase` and `git push origin`

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 5

Lazarus IDE plugins

FastMM

FastMM is a lightning fast replacement memory manager for Embarcadero Delphi Win32 and Win64 applications that is not prone to memory fragmentation, and supports shared memory without the use of external .DLL files. Important note: FastMM has moved to GitHub. Updates will no longer be pushed to the SourceForge repository.

  • Quiet
  • Library
  • Delphi
  • SourceForge
  • Mozilla Public License 1.1 (MPL 1.1)

System

Ntfy for Delphi

. Delphi Friendly library to push instant notifications using ntfy.sh servers in Delphi

  • Library
  • Delphi
  • GitHub

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

LGenerics

Generic algorithms and data structures for Lazarus/Free Pascal

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 139
  • Apache-2.0

Other

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

besen

Complete ECMAScript Fifth Edition Implemention in Object Pascal

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 233
  • LGPL-2.1

Language Tools

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

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

DelphiGrpc

DelphiGrpc is a Delphi implementation of the realtime and streaming gRPC protocol (http://grpc.io).

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 189
  • Apache-2.0

Networking

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

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

kraft

Kraft Physics Engine is an open source Object Pascal physics engine library that can be used in 3D games.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 132

Games and Game Engines

pasmp

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

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 125

System

pasllm

PasLLM - LLM inference engine in Object Pascal (synced from my private work repository)

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 108
  • AGPL-3.0

Science

flre

FLRE - Fast Light Regular Expressions - A fast light regular expression library

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 104
  • LGPL-2.1

Language Tools

FpTelegram

Telegram bots API library

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 95
  • MIT License, MIT

Networking In the Online Package Manager

rnl

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

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

Networking

sugar

Sugar

  • Quiet
  • Library
  • GitHub
  • ★ 88
  • BSD-3-Clause

Other

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

VSoft.Messaging

Simple internal application messaging for Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 64

Other

DX.Pdfium4D

Delphi Cross-Platform Wrapper for Google's PDFium - Object-oriented PDF document handling for Windows, macOS, Android, iOS

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 62
  • MIT

Bindings

Lua4Lazarus

Give the Lua script power to the Lazarus.

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 62

Bindings

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

DataPort

Thread-safe port for data exchange. Supports network (TCP/UDP/HTTP), serial port, etc.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 58
  • The MIT License (MIT)

Networking In the Online Package Manager

Security4Delphi

Enables and use of the concept of security in your Delphi applications

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

Security

RADWinUI

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

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

Other

catarinka

A powerful set of multi-purpose libraries for Lua or Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 51

Other

Marvin.IA

Machine Learning in Object Pascal.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 47
  • MIT

Science

FormatConverter

Pacote de conversão entre formatos (JSON, XML, CSV, etc) para Delphi.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Other

MCPConnect

Building MCP servers with Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 46
  • MIT

Networking

ormbr

ORMBr Framework for Delphi (Isaque Pinheiro)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 44
  • LGPL-3.0

Database

nats.delphi

Delphi client for NATS, the cloud native messaging system.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 41
  • MIT

Networking

Logify

Logify MetaLogger for Delphi

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

System

Aspect4Delphi

Concepts of aspect-oriented programming (AOP) in Delphi.

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

Other

Delphi_Utils_Library

A library with some useful utilities for your Delphi Apps.

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

Other

duckdb-fp

A clean and intuitive wrapper for DuckDB in FreePascal, providing easy database operations and DataFrame-like result handling.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 35
  • MIT

Bindings Database

OpenAI-Delphi

A simple wrapper for the openAI API using Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 35

Networking

pascalutils

PascalUtils is an object library for delphi and FreePascal of data structures that implements syntactic sugar similar to that of other modern languages as far as syntax allows.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 35
  • MIT

Other

pasjson

A unified JSON library for both Object-Pascal ecosystems (Delphi and FreePascal)

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 34

Other

horse-WS

Middleware for WS in HORSE

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 6

Networking

Azote

Fast and lightweight AArch64 disassembler.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 33
  • MPL-2.0

Language Tools

pasgltf

An Object-Pascal-native GLTF 2.0 low-level-data loader and writer for GLTF and GLB files

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 33
  • Zlib

Graphics