Sign in Join

Live chat for Free Pascal, Lazarus, Delphi and every Pascal programmer.

Catalog

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.

Random project How the catalog works

Smart-Pointer

Smart Pointer (with small memory consumption penalty)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

Delphi_Smart_Pointers

Implementation of smart pointers in Delphi, for better management of memory.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1
  • MIT

Other

LazHIDControl

Cross platform keyboard and mouse input control and window automation in Pascal.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 3

System

5.0 from 1 member

CrossDragDrop

Native drag and drop for existing Lazarus controls: two nonvisual components, text and files, with visual feedback. GTK2, GTK3, Qt5, X11 and Wayland. 0BSD.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 1

Bindings GUI containers

5.0 from 1 member

Oz-SGL

Standard Generic Library (SGL) for Pascal using records with heap memory allocator and typed memory regions.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 25
  • Apache-2.0

Other

RecordArray

Delphi Typed Pointer made easy

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 8

Other

DataStructuresPascal

This repository contains exercises on dynamic memory, pointers, vectors, and matrices in Pascal. It demonstrates memory allocation, data manipulation, and safe disposal practices, showcasing foundational skills in data structures and low-level programming.

  • Active
  • Library
  • GitHub
  • ★ 1

Other

record-pool-delphi

Dynamic Record Pool with Stable Pointers (Delphi)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 1

Other

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.AuxTypes

Declares auxiliary types (pointer-sized integers, integers and floats with guaranteed size, ...) that might not be declared in all compilers.

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4
  • MPL-2.0

Other

SmartPointer

Classe para utilização como Garbage Collector

  • Active
  • Library
  • GitHub
  • ★ 1
  • GPL-3.0

Other

SmartPointers

This repo includes all different versions of SmartPointer in Delphi to simulate a garbage collector.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 27

System

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

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

JPPack

A collection of VCL/LCL components for Delphi/Lazarus - buttons, panels, LinkLabel, ProgressBar, ColorComboBox, ColorListBox, Timer and other

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 159

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

delphi-neon

JSON Serialization library for Delphi

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

Other

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

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

hxd-plugin-framework

Plugin framework for HxD's data inspector

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 187
  • MPL-2.0

Other

DelphiHookUtils

Delphi Hooking Library by Lsuper

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 164
  • MPL-2.0

System

NtUtilsLibrary

Delphi library for system programming on Windows using Native API

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

System

Delphi-MCP-Server

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

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

Networking

Lape

Scripting engine for Lazarus/Delphi with a Pascal derived syntax.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 143
  • GNU Lesser GPL

Language Tools In the Online Package Manager

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

nx-horizon

NX Horizon - Event Bus for Delphi

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

Other

FluentQuery

Fluent, declarative query API for Collections/Containers and Enumerations in Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 120
  • MPL-2.0

Other

DelphiUIAutomation

Delphi classes the wrap the MS UIAutomation library

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

System

GrijjyCloudLogger

GrijjyCloudLogger, remote logging for Windows, iOS, Android, macOS and Linux

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 116

Networking

Delphi_MemoryModule

Delphi adaptation of MemoryModule — load DLL from memory. Also includes hooking utilities.

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 113

System

InstantObjects

Pupular OOP-OPF Library for Delphi (from DXE6 to latest version)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 107
  • MPL-2.0

Database

scalemm

Fast scaling memory manager for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 107

System

BrainMM

Extremely fast memory manager for Delphi

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 102
  • MIT

System

libpascurl

libPasCURL is delphi and object pascal wrapper around cURL library. Library for transferring data with URL syntax, supporting HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, LDAP, LDAPS, FILE, IMAP, SMTP, POP3, RTSP and RTMP.

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 90
  • GPL-3.0

Bindings Networking

dglOpenGL

Delphi / Pascal OpenGL header translation (including WGL and GLX)

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 88
  • MPL-2.0

Bindings Graphics

Tiny.Library

General purpose low level library for Delphi 7-XE10, FreePascal and C++Builder

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 83
  • MIT

Other

VindexLLM

VindexLLM is a pure Delphi, GPU-powered LLM inference engine that uses Vulkan compute shaders to run GGUF models entirely on the GPU. It performs full transformer inference without relying on Python, CUDA, or other external runtimes, requiring only vulkan-1.dll, which is typically included with modern GPU drivers.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 73

Science

DzSocket

Delphi Client/Server components to communicate using TCP Socket Asynchronous easily

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 71
  • MIT

Networking

newac

New Audio Components (NewAC) are designed to help your Delphi programs perform different sound processing tasks.

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

Multimedia

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

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

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

DzTalkApp

Delphi non-visual component to communicate between applications

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 59
  • MIT

Networking

d7zip

A Delphi Wrapper around 7z.dll

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 58

Files and Drives

CachedBuffers

Extremely fast data streams (Delphi6-XE10)

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 54
  • MIT

Other

BeaEngineDelphi

BeaEngine Disassembler Library Binding for Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 53
  • MPL-2.0

Bindings

JsonParser

Recursive descent JSON parser for PascalScript

  • Quiet
  • Library
  • GitHub
  • ★ 51

Other