FreePascal

PeaZippeazip/PeaZip

A free, open-source, cross-platform archive manager and file utility supporting 200+ archive formats.

HeidiSQLHeidiSQL/HeidiSQL

A lightweight graphical client for managing MariaDB, MySQL, SQL Server, PostgreSQL, SQLite, Interbase, and Firebird databases.

QuickLibexilon/QuickLib

A comprehensive Delphi/FreePascal library for cross-platform development with utilities for mapping, configuration, threading, serialization, and more.

QuickLoggerexilon/QuickLogger

A powerful and flexible asynchronous logging library for Delphi, FreePascal, and .NET with support for over 20 output providers.

SuperObjecthgourvest/superobject

A Delphi and FreePascal toolkit for parsing and writing JSON and XML data formats.

Abstract Syntax Tree BuilderRomanYankovsky/DelphiAST

A library that parses Delphi source code to generate abstract syntax trees for analysis and tooling.

HashLib4PascalXor-el/HashLib4Pascal

A comprehensive hashing library for Object Pascal supporting cryptographic and non-cryptographic algorithms, checksums, MACs, KDFs, and XOFs.

CryptoLib4PascalXor-el/CryptoLib4Pascal

A comprehensive cryptographic library for Object Pascal developers, offering symmetric/asymmetric encryption, hashing, and key derivation.

TChromeTabsnorgepaul/tchrometabs

A comprehensive Delphi implementation of Google Chrome's tab system for Windows applications.

pasvulkanBeRo1985/pasvulkan

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

TSMBIOSRRUZ/tsmbios

An Object Pascal library for accessing SMBIOS data, including system hardware information, on Windows and Linux.

TeeGridSteema/TeeGrid

Lightweight, full-featured grid control for Delphi, C++ Builder, and Lazarus across VCL and Firemonkey frameworks.

FastMM4-AVXmaximmasiutin/FastMM4-AVX

A high-performance fork of FastMM4 with AVX/AVX2/AVX512 support, efficient synchronization, and FreePascal compatibility.

TeeBISteema/TeeBI

A multi-platform data-mining and visualization library for RAD Studio, supporting in-memory databases, pivot tables, and big data.

Synasergeby/synapse

A blocking socket TCP/IP library for Delphi and FreePascal with support for IPv4/IPv6, TLS, and many internet protocols.

Ararat Synapsegeby/synapse

A blocking socket TCP/IP library for Delphi and FreePascal with support for IPv4/IPv6, TLS, and many internet protocols.

STOMP Clientdanieleteti/delphistompclient

A STOMP client library for Embarcadero Delphi and FreePascal, enabling messaging with ActiveMQ and RabbitMQ.

SQLite for Delphi and FreePascal/Lazarusplashenkov/SQLite3-Delphi-FPC

Complete SQLite API translation and simple wrapper for Delphi and FreePascal/Lazarus.

Kraft Physics EngineBeRo1985/kraft

An open-source Object Pascal physics engine library for 3D games with rigid body dynamics and collision detection.

FreePascal Generics.Collectionsmaciej-izak/generics.collections

A FreePascal library providing generic collection classes like TList, TDictionary, and THashMap.

Hprose for Delphi/Lazarushprose/hprose-delphi

A high-performance, cross-language RPC library for Delphi and FreePascal applications.

PasMPBeRo1985/pasmp

A parallel-processing and multi-processing library for Object Pascal with lock-free data structures and synchronization primitives.

ATTabsAlexey-T/ATFlatControls

A collection of custom-drawn, OS-independent UI controls for Delphi and Lazarus applications.

QuickJS-EngineColdzer0/QuickJS-Pascal

FreePascal and Delphi bindings for the QuickJS JavaScript engine, enabling embedded scripting in Pascal applications.

TZDBpavkam/tzdb

An offline, compiled IANA time zone database for Delphi and FreePascal applications.

fp-telegramAl-Muhandis/fp-telegram

A FreePascal/Lazarus library for creating Telegram bots with both long-polling and webhook support.

dglOpenGLSaschaWillems/dglOpenGL

Delphi and Pascal header translation for OpenGL 4.6, including WGL and GLX bindings.

minilibparmaja/minilib

A modular Pascal/Delphi library providing database wrappers, socket communication, XML parsing, and serial port utilities.

ImGui-PascalColdzer0/ImGui-Pascal

FreePascal and Delphi bindings for the Dear ImGui library with docking support.

mqttbkeevil/mqtt

A complete MQTT 3.1.1 client and server component pack for Lazarus/FPC with demo applications.

SimpleBaseLib4PascalXor-el/SimpleBaseLib4Pascal

Object Pascal library for encoding and decoding multiple base formats including Base16, Base32, Base58, Base64, and Base85.

Unified Interbasehgourvest/uib

Delphi and FreePascal components for Interbase, Firebird, and YAFFIL database connectivity in multithreaded environments.

TIntXXor-el/IntXLib4Pascal

A Pascal library for arbitrary-precision integer arithmetic with fast O(N log N) multiplication using Fast Hartley Transform.

BaseNcodingPascalXor-el/BaseNcodingPascal

A Pascal library for encoding binary data into strings using base32, base85, base128, and other custom-base algorithms for FPC and Delphi.

TurboRaylibturborium/TurboRaylib

Stable Raylib bindings for Object Pascal (Delphi and FreePascal) with extensive platform support and examples.

ZenGLSeenkao/New-ZenGL

A cross-platform 2D game engine library for Pascal/Delphi that simplifies OpenGL-based game development.