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30,081 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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LazSerial

Component to work with serial port.

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 62

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WThread

Helper classes to support simple multi-threading.

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 48
  • Apache License

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ExceptionLogger

FreePascal Exception Logger aka madExcept or EurekaLog.

  • Active
  • Package
  • Lazarus
  • GitHub
  • ★ 19
  • GNU/GPL

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Twain Scanner

DelphiTwain is a runtime Package to handle Twain Scanner under Windows. There are no visual components that have to be installed. Just add the package to dependancy/required of your Lazarus/Delphi Application and start using it. The package is initially created by Gustavo Daud and modified by Nemeth Peter and Others. In the year 2023 it was taken up by Massimo Magnano to update and modify it.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 15
  • GPL 3.0

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WIA Scanner

WIAPascal is a runtime Package to handle WIA Scanner under Windows. There are no visual components that have to be installed. Just add the package to dependancy/required of your Lazarus/Delphi Application and start using it. The Package was created from scratch by Massimo Magnano since there was nothing written in Pascal about it.

  • Active
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 9
  • GPL 3.0

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ZFM SDK

Library for Delphi/Lazarus to support ZhianTec Fingerprint Modules (ZFM), for Windows and Linux.

  • Quiet
  • Package
  • Lazarus and Delphi
  • GitHub
  • ★ 6
  • Copyright (C) 2011 Philipp Meisberger <team@pm-codeworks.de>

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SlimRWLock

Implementation of Slim read-write lock based on https://github.com/neosmart/RWLock

  • Quiet
  • Package
  • Lazarus
  • GitHub
  • ★ 4
  • Copyright (C) 2018-2020 Red_prig

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DragDrop

Allows to implement COM based drag&drop, and integrate app with Windows clipboard.

  • Package
  • Lazarus
  • Creative Commons Attribution-Share Alike 3.0

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MultithreadProcs

Running procedures and methods parallel via a thread pool.

  • Package
  • Lazarus
  • modified LGPL2

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NumCPULib

Unit to get number of physical/logical CPUs in system.

  • Package
  • Lazarus
  • GitHub
  • MIT License

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OpenGPSX

Component to demonstrate the real-time tracking, monitoring and decoding signals from GPS receiver (NMEA-183).

  • Package
  • Lazarus
  • GNU General Public License version 2.0 (GPLv2)

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PascalSCADA

Framework for Delphi/Lazarus to make easy the development of industrial applications (HMI=Human Machine Interface/SCADA=System Control And Data Acquisition).

  • Package
  • Lazarus and Delphi
  • LGPL v2.1 with linking exception

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PasMP

Library for parallel-processing / multi-processing.

  • Package
  • Lazarus
  • zlib

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Sdpo

Components: for COM port (serial port); for web-cameras (UVC driver); for Joystick; Gtk fast painting form.

  • Package
  • Lazarus
  • GPL

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UniqueInstance

Non-visual component to make only single instance of application.

  • Package
  • Lazarus
  • Modified LGPL

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