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Catalog

30,057 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.

HashLib4Pascal

Hashing for Modern Object Pascal (mirror)

  • Active
  • Package
  • Lazarus and Delphi
  • Codeberg

Cryptography

5.0 from 1 member

pascalrest-web-api-framework

PascalREST is a FreePascal LANGUAGE micro framework that helps you quickly write simple yet powerful and fast web applications and APIs.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 1
  • BSD-2-Clause

Networking

health-codify

Health-Codify is a cross-platform desktop application developed using FreePascal, designed to help developers manage their time and maintain a healthy work-life balance while coding. This app tracks coding sessions, reminds users to take breaks, and provides insights into work patterns, promoting better productivity and well-being by encouraging re

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2

Applications

DelphiDebugWindow

A useful debugging tool for Delphi/Lazarus/FreePascal developers

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 10
  • GPL-3.0

Language Tools

FpOdf

Library to generate and modify ODF document files.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 10
  • Modified LGPL

Files and Drives In the Online Package Manager

Asmoday

Asmoday is an easy to use 3D graphics library and engine for Freepascal developers. It uses OpenGL for hardware accelerated, cross plattform, real-time or offline rendering.

  • Library
  • Lazarus
  • SourceForge
  • GNU Library or Lesser General Public License version 2.0 (LG

Graphics

PasJpeg2000

JPEG 2000 for Pascal is a free library for Object Pascal developers that want to use JPEG 2000 images in their applications.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 8

Graphics

Standard Interface Library

A framework library which aims to independize we all, the delphi developers, from the different glitches of the platform, and attempts to provide code that is independent from the OS. It is based on *heavy* use of interfaces. Works on FPC (FreePascal).

  • Quiet
  • Library
  • Lazarus and Delphi
  • SourceForge
  • GNU Library or Lesser General Public License version 2.0 (LG

Other

awesome-pascal

A curated list of awesome Delphi/FreePascal/(any)Pascal frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff. Open source and freeware only!

  • Active
  • Other
  • Lazarus and Delphi
  • GitHub
  • ★ 2,096
  • CC0-1.0

Learning and Examples

Ray4Laz

Headers translation of the Raylib game development library. Inspired by Borland BGI graphics lib and by XNA framework.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 181
  • Copyright (C) 2020-2026 Gunko Vadim

Bindings In the Online Package Manager

Delphi-OpenCV

Project Delphi-OpenCV. Translation of OpenCV library header files in Delphi

  • Active
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 542

Bindings Graphics

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

quickhash

Graphical cross platform data hashing tool for Linux, Windows and Mac

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 436
  • GPL-2.0

Cryptography

BrookFreePascal

Framework for web applications. Actions for DB access, advanced routing features, wizard for Lazarus, support for i18n, compatibility with JSON structures, REST implementation, plugins for varied needs, extensible brokers.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 174

Networking In the Online Package Manager

aviutl_rampreview

AviUtl用プラグイン「拡張編集RAMプレビュー」

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 117
  • MIT

Multimedia

TProcess-Delphi

TProcess for Delphi, ported from Freepascal

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 91
  • LGPL-2.1

System

minilib

MiniLib Pascal/Delphi library

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 84

Other

IntXLib4Pascal

Arbitrary Big Integer Library for Pascal

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 56
  • MIT

Other

greyhound

Greyhound is a tiny ORM-ish for Free Pascal.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 50

Database

EmailValidationPascal

Simple Class for Validating Email Address Syntax in Pascal/Delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 39
  • MIT

Networking

ByteSizeLibPascal

TByteSize is a utility record that makes byte size representation in code easier by removing ambiguity of the value being represented.

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 31
  • MIT

Other

PKCS7Extractor

PKCS#7 Extractor library for Delphi

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 27
  • LGPL-3.0

Cryptography

xxHashPascal

Pure Pascal/Delphi Implementation of xxHash (32 Bit & 64 Bit)

  • Archived
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 22
  • MIT

Cryptography

threadsafecollections-fp

A thread-safe generic collections library for Free Pascal.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 16
  • MIT

Other

BrewBuddy

Brouwsoftware

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 14
  • GPL-3.0

Other

i2nii

Convert various image formats to NIfTI.

  • Quiet
  • Application
  • GitHub
  • ★ 14
  • BSD-2-Clause

Graphics

simplelog-fp

A simple, lightweight, and easy-to-use logging library for Free Pascal applications.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 14
  • MIT

Other

HtmlBuilder

Static website generator with a local web server, FTP updater, and AI/LLM support.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 13

Networking

mathlib-fp

Scientific, statistical and engineering mathematics for Free Pascal, with no third-party runtime dependencies.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 12
  • MIT

Science

hgdc-x

Cross-platform native GUI client for the Hackathon Günther Daemon

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 11
  • ISC

Networking

ExtTabCtrls

Feature-rich custom tab and page controls for Lazarus including Chrome, MacOS, and Delphi styles with drag

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 10
  • LGPL-2.1

Tabbed Components In the Online Package Manager

CapaCalc

Calculates the electrical capacitance of a variety of conductor arrangements:

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Science

Lattice

Computer-Assisted Qualitative Data Analysis Software (CAQDAS) for coding textual data, retrieving coded segments, and analysing patterns

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • AGPL-3.0

Science

UnitConv

Converts units of measurement data

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 9
  • MIT

Science

pastel

Modern cross-platform app framework and toolchain for Object Pascal. One codebase for desktop, mobile, server and Raspberry Pi, powered by Free Pascal.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 8
  • MIT

Other

chronokit-fp

ChronoKit-FP is a lightweight toolkit designed to make date and time handling in Free Pascal easier for everyone.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 7
  • MIT

Date and Time

dOPF

Sleek, intuitive, and fast object persistence (opf/orm) for faster and easier database development

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 7

Database In the Online Package Manager

quicksortforpascal

The QuickSort algorithm from https://wiki.freepascal.org/Array_sort, with more descriptive names and bugfix

  • Quiet
  • Other
  • Lazarus
  • GitHub
  • ★ 7

Learning and Examples

dbdesigner-fork

Treat it as an early beta: DB Designer Fork is a fork of the fabFORCE DBDesigner 4. It integrates entity relationship design,front-end (you can run queries) and SQL exporting.DB Designer Fork generates SQL scripts for Oracle, SQL Server, MySQL, FireBird, SQLite and PostgreSQL.

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

Database

lazarus_old

Lazarus IDE / None-official mirror. - - - Official svn repository svn.freepascal.org/svn/lazarus - - - To report issues use the bugtracker at https://bugs.freepascal.org/main_page.php - - - Pull Requests must be pre-agreed with me on the official Lazarus mailing-list or forum. This usually will be ok for SynEdit or the Debugger.

  • Archived
  • Application
  • Lazarus
  • GitHub
  • ★ 6

Language Tools

MemoryDLL

In-Memory Win64 DLL Loading & Execution for Pascal.

  • Active
  • Library
  • GitHub
  • ★ 6
  • BSD-3-Clause

System

DistanceFields

Rapid thickness estimates for images

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 5
  • BSD-2-Clause

Science

Infero

High performant CUDA powered LLM inference library

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 5
  • BSD-3-Clause

Science

LBToolkit

A thread-safe, Swiss-army toolkit featuring a reactive logging engine (LBLogger), an embedded HTTP server (LBmicroWebServer), seamless integration with the Python and Node.js ecosystems (LBWebPrism), and a fully customizable virtual keyboard (LBVirtualKeyboard). Distributed as a lightweight shared library (.dll/.so) with a clean, C-style API.

  • Active
  • Library
  • Lazarus
  • GitHub
  • ★ 5
  • MPL-2.0

Other

Brook-Framework-Universal

Brook Framework Universal for Delphi, Lazarus or Typhon a for who aggregate dedicated Brook Framework for Delphi and Free Pascal

  • Quiet
  • Library
  • Lazarus and Delphi
  • GitHub
  • ★ 4

Networking

carot

Calculadora de rotinas de tempo para PICs

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • GPL-3.0

Science

EmerAPI_KeyKeeper

EmerAPI client prototype. Application for create and keep locally user's credentials like a private key. Can be used as an Emercoin wallet.

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 4
  • MIT

Security

mnh

MNH project; a low profile scripting language written in Free Pascal / Lazarus

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 4

Language Tools