• iTunes

    Media player, media library, Internet radio broadcaster, and iPhone device management application.

     

    iTunes icon

    Free Mac Windows iPhone Windows S iPad

  • WinRAR

    WinRAR is a powerful archive manager. It can backup your data and reduce the size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format.

     

    WinRAR icon

    Freemium $ $ $ Mac Windows Linux Android BSD

  • Hangouts

    Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one to one or with a group! "Hangouts" are places used to facilitate group video chat (with a...

     

    Hangouts icon

    Free Windows Web Android iPhone Chrome OS Android Tablet iPad Chrome ... Android Wear

  • DAEMON Tools

    DAEMON Tools Lite is an advanced application for Microsoft Windows which provides one of the best optical media emulation in the industry. You can mount *.mdx, *.mds/*.mdf, *.iso, *.b5t, *.b6t, *.bwt, *.ccd, *.cdi, *.cue, *.nrg, *.pdi, *.

     

    DAEMON Tools icon

    Freemium Windows

    • Bundleware Lite installer contains ads. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
  • calibre

    Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e.

     

    calibre icon

    Free Open Source Mac OS X Windows Linux BSD

  • Google Earth

    Google Earth lets you fly anywhere on Earth to view satellite imagery, maps, terrain, 3D buildings, from galaxies in outer space to the canyons of the ocean.

     

    Google Earth icon

    Free Personal Mac OS X Windows Linux Android iPhone Android Tablet BSD iPad

  • Twitter

    Twitter is an online social networking service that enables users to send and read short 280-character messages called "tweets". Registered users can read and post tweets, but those who are unregistered can only read them.

     

    Twitter icon

    Free Mac Windows Web Android iPhone Blackberry Windows S Android Tablet ... Windows Phone iPad TweetDeck Blackberry 10 Nokia Store Kindle Fire

  • Chromium

    Chromium is the open-source browser project from which Google Chrome takes its source.

     

    Chromium icon

    Free Open Source Mac OS X Windows Linux Android BSD PC-BSD Xfce

  • Google Search

    Google Search is the most popular search engine on the Internet. Google can search for webpages, images, videos, news, and various other forms of media.

     

    Google Search icon

    Free Windows Web Android iPhone Chrome OS Android Tablet Windows Phone iPad ... Android Wear

  • Trello

    Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

     

    Trello icon

    Freemium $ $ $ Mac OS X Windows Web Android iPhone Windows RT Android Tablet iPad ... Apple Watch Android Wear Kindle Fire

  • Atom

    A hackable text editor for the 21st Century. At GitHub, we're building the text editor we've always wanted. A tool you can customize to do anything, but also use productively on the first day without ever touching a config file.

     

    Atom icon

    Free Open Source Mac OS X Windows Linux BSD Electron / Atom Shell

  • qBittorrent

    The qBittorrent project aims to provide a Free Software alternative to µTorrent .

     

    qBittorrent icon

    Free Open Source Mac Windows Linux BSD PortableApps.com Haiku

  • TrueCrypt

    [TrueCrypt is not exactly "Open Source", but the source is available. See the reviews to get more information.] TrueCrypt is a disk encryption software for Windows Vista/XP, Mac OS X, and Linux.

     

    TrueCrypt icon

    Free Open Source Mac Windows Linux

    • Discontinued Currently unmaintained. Last version, TrueCrypt 7.1a, is still available for download and development has continued via the forks https://alternativeto.net/software/veracrypt/ and https://alternativeto.net/software/ciphershed/. "The development of TrueCrypt was ended in 5/2014 after Microsoft terminated support of Windows XP. Windows 8/7/Vista and later offer integrated support for encrypted disks and virtual disk images."
  • WinDirStat

    WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

     

    WinDirStat icon

    Free Open Source Windows

  • Debian

    Debian is a free distribution of the GNU/Linux operating system. It is distributed with access to repositories containing thousands of software packages ready for installation and use.

     

    Debian icon

    Free Open Source Windows Linux Windows S BSD Self-Hosted

  • Facebook

    Facebook's mission is to give people the power to share and make the world more open and connected.

     

    Facebook icon

    Free Windows Web Android iPhone Blackberry Windows S Android Tablet Windows Phone ... iPad

  • Microsoft OneNote

    A digital notebook application that gives people one place to gather notes and information. .

     

    Microsoft OneNote icon

    Free Mac OS X Windows Android iPhone Windows RT Windows Phone iPad Apple Watch ... Android Wear Kindle Fire

  • Winamp

    Winamp is a media player for Windows and OS X developed by Justin Frankel and Dmitry Boldyrev by their company Nullsoft, which they later sold to AOL, who sold to Radionomy in January 2014.

     

    Winamp icon

    Freemium Mac Windows

    • Discontinued The project seems to be no longer developed and there are no news after October 2016: http://forums.winamp.com/showthread.php?p=3072003#post3072003 Last version, 5.666 Build 3516 patched, can be still downloaded from the official website forums.
  • LibreOffice - Writer

    Writer has all the features you need from a modern, full-featured word processing or desktop publishing tool. It's simple enough for a quick memo, but powerful enough to create complete books with contents, diagrams, indexes, etc.

     

    LibreOffice - Writer icon

    Free Open Source Mac OS X Windows Linux BSD PortableApps.com

  • Everything

    "Everything" is an administrative tool that locates files and folders by filename instantly for Windows.

     

    Everything icon

    Free Windows

  • Avast! Free Antivirus

    Avast Free Antivirus a the free for non-commercial and home usage antivirus solution from AVAST Software. The program features intuitive, advanced and customizable scanning methods along with other modules dedicated to computer safety.

     

    Avast! Free Antivirus icon

    Free Personal $ $ $ Mac Windows Android iPhone

  • f.lux

    Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.

     

    f.lux icon

    Free Mac OS X Windows Linux Android iPhone Android Tablet iPad

  • IrfanView

    Fast and compact image viewer/converter trying to be simple for beginners and powerful for professionals. Many supported file formats and features.

     

    IrfanView icon

    Free Personal Windows PortableApps.com

  • Rufus

    Rufus is a small utility that helps format and create bootable USB flash drives, such as USB keys/pendrives, memory sticks, etc.

     

    Rufus icon

    Free Open Source Windows PortableApps.com

  • ownCloud

    A safe home for all your data – Access & share your files, calendars, contacts, mail & more from any device, on your terms.

     

    ownCloud icon

    Freemium Open Source Mac OS X Windows Linux Android iPhone Blackberry Android Tablet iPad ... Self-Hosted Raspberry Pi Cloudron