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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.

competitive-kpi-tool

Local-first desktop KPI tracker for competitive programming practice, built with Lazarus, Object Pascal, and SQLite.

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 2
  • MIT

Applications

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

P65Pas

CPU 6502 Pascal Compiler/IDE/Debugger

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 132
  • GPL-3.0

Language Tools

Delphi-Promises

Delphi implementation of promises for asynchronous programming.

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

Other

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

P4D-Data-Sciences

A collection of lightweight Python wrappers based on Python4Delphi simplifying Data Sciences development with Delphi

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 110
  • MIT

Bindings Science

EditInVsCodeDelphiPlugin

Adds a "Open in Visual Studio Code" item in the Delphi Tools menu (great if you have the Copilot extension for Visual Studio Code)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 78
  • MIT

Lazarus IDE plugins

newac

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

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 71

Multimedia

Persian-OCR

Offline optical character recognition of Farsi and Arabic letters using deep learning and feature extraction (تشخیص حروف فارسی و عربی آفلاین با استفاده از یادگیری عمیق و استخراج ویژگی‌ها)

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 65

Science

Delphi_Remote_Desktop

Easy To Use Drag And Drop Desktop Duplication Components (Work In Progress!)

  • Active
  • Library
  • Delphi
  • GitHub
  • ★ 52
  • MIT

Networking

SnapTRAINER

A modular Virtual-PLC Trainer

  • Active
  • Application
  • Lazarus
  • GitHub
  • ★ 41
  • GPL-3.0

System

delphi-ppl

Extend Delphi Parallel Programming Library to ease async coding

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 37
  • GPL-3.0

System

delphi-ide-remote-mcp

An MCP server that turns a Windows RAD Studio machine into a remote backend for coding agents: safe editing, real MSBuild builds, git, scaffolding, deploy & remote run via PAServer, Android (adb), Linux and Windows desktop control, DelphiLSP navigation, vault. Per-workspace security. Built for our own use, shared under MIT; no commercial plans.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 23
  • MIT

Lazarus IDE plugins

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

PureParseFloat

Just Good ParseFloat Algorithm named PureParseFloat

  • Quiet
  • Library
  • Lazarus
  • GitHub
  • ★ 19
  • MIT

Other

Design-Patterns-

Repository created for solving the exercises in the book and also understanding the specific standards

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 12

Learning and Examples

plc-student-demo-platform

Modular, student-friendly Arduino Opta PLC training system with ladder logic and SCADA readiness

  • Active
  • GitHub
  • ★ 1
  • MIT

System

tiny-prolog2

A simple Prolog II interpreter written in Pascal

  • Active
  • Application
  • GitHub
  • ★ 10
  • MIT

Language Tools

spedit

Cross-platform Free and Open-source Pixel-art Editor and Sprite library Manager

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

Graphics

BackupFiles

A personal project developed in Delphi for automating backups, using SQLite and adhering to OOP principles and MVC architecture. It supports saving backups locally or on an FTP server, with control over the number of copies.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 6
  • MIT

Files and Drives

flixaccounting

Build a non-trivial software project with Delphi

  • Quiet
  • Other
  • Delphi
  • GitHub
  • ★ 6

Database

DataBridge

A personal project developed in Delphi to facilitate data imports into various databases. It adheres to OOP principles and MVC architecture, providing an intuitive interface for mapping and transferring data between different database systems, including Firebird, MySQL, SQLite and PostgreSQL.

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 5
  • MIT

Database

image-workshop

A simple image editor for educational programming purposes

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 5

Graphics

StimSync

Open and versatile software and harware for valitdating timing in psychology experimemts and collecting responses

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

Science

StimSync

Firmware + other software useful for using our custom StimSync Device

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

Science

Chandra

Lua Scripting for Delphi

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

Language Tools

jetLua

jetLua: A best-in-class scripting solution for Delphi.

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

Language Tools

ly2mei

A prototype Lilypond to MEI-XML converter, written in Object Pascal

  • Quiet
  • Application
  • GitHub
  • ★ 3
  • MIT

Other

newac

Automatically exported from code.google.com/p/newac

  • Quiet
  • Library
  • Delphi
  • GitHub
  • ★ 3

Multimedia

Research

A curated set of my research and experiments, re-evaluating ideas from books, videos, and discussions across diverse topics.

  • Active
  • Other
  • Lazarus
  • GitHub
  • ★ 3

Learning and Examples

smartclose

A system utility that automates the process of closing all running programs and restoring them at a later time

  • Quiet
  • Application
  • Delphi
  • GitHub
  • ★ 3

System

bti

MS-DOS text-mode screen capture and presentation suite in Turbo Pascal 7.0 (1996-1997)

  • Active
  • Application
  • GitHub
  • ★ 2
  • MIT

System

Comment-Remover

This is a useful program for any programmer who does not want to have comments in their code.

  • Active
  • Application
  • Delphi
  • GitHub
  • ★ 2

Language Tools

FEUPAutom

SoftPLC programmable in Grafcet and ST

  • Quiet
  • Application
  • Lazarus
  • GitHub
  • ★ 2

System

Impulse-Next_BBS

Next-generation BBS software - Modernizing the classic Impulse 7.1 BBS from Borland Pascal to Rust for cross-platform operation

  • Active
  • Application
  • GitHub
  • ★ 2
  • Apache-2.0

Applications

Polyglot

  • Active
  • Other
  • Delphi
  • GitHub
  • ★ 2

Other