GNU: "GNU's Not Unix
Linux: Linux is a free, open-source operating system derived from UNIX. It was first developed in 1991 by Linus Torvalds
Type: Password manager, License: GNU GPLv3 Website: mitro.co
Open office :OpenOffice.org (OOo), commonly known as OpenOffice, was an open-source office suite. It was an open-sourced version of the earlier StarOffice, which Sun Microsystems acquired in 1999 for internal use. Sun open-sourced the software in July 2000 as a competitor to Microsoft Office,[9][10] releasing version 1.0 on 1 May 2002
LibreOffice is a free and open source office suite, developed by The Document Foundation
1.Libreoffice
2. Ubuntu is a Debian-based Linux operating system and distribution, with Unity as its default desktop environment for personal computers including smartphones in later versions. Ubuntu also runs network servers. It is based on free software and named after the Southern African philosophy of ubuntu (literally, "human-ness"), which often is translated as "humanity towards others" or "the belief in a universal bond of sharing that connects all humanity
3.Open office:
4. VLC:VLC media player (commonly known as VLC) is a portable, free and open-source, cross-platform media player and streaming media server written by the VideoLAN project.
5 mozilla.org/firefox:
6.edu.kde.org/kig:Kig is free and open-source interactive geometry software, which is part of the KDE edutainment project. It has some facilities for scripting in Python, as well as the creating macros from existing constructions.
Sourceforge.net: SourceForge is a web-based service that offers a source code repository, downloads mirrors, bug tracking and other features. It acts as a central location that software developers can use to control and manage free and open-source software development
github.com: GitHub is a Web-based Git repository hosting service, which offers all of the distributed revision control and source code management (SCM) functionality of Git as well as adding its own features. Unlike Git, which is strictly a command-line tool, GitHub provides a Web-based graphical interface and desktop as well as mobile integration. It also provides access control and several collaboration features such as bug tracking, feature requests, task management, and wikis for every project.[3]
GitHub offers both plans for private repositories and free accounts,[4] which are usually used to host open-source software projects.[5] As of 2015, GitHub reports having over 9 million users and over 21.1 million repositories,[6] making it the largest host of source code in the World.[7]
3. CodePlex is Microsoft's free open source project hosting site. You can create projects to share with the world, collaborate with others on their projects, and download open source software.
4. Your team, your code, connected Git and Mercurial code management for teams Free for small teams + Unlimited private repositories
More than 450,000 teams and 3 million developers love Bitbucket
5code beamer java forgewww.javaforge.comFree hosting for open source projects, powered by codeBeamer ALM of Intland Software
Brakets.io: A modern, open source text editor that understands web design.
https://www.drupal.org/; Drupal is an open source content management platform powering millions of websites and applications. It’s built, used, and supported by an active and diverse community of people around the world.
2. Drupal.org:is a free and open-source content-management framework written in PHP and distributed under the GNU General Public License
3. https://source.android.com/:Android is an open source software stack for a wide range of mobile devices and a corresponding open source project led by Google. This site offers the information and source code you need to create custom variants of the Android stack, port devices and accessories to the Android platform, and ensure your devices meet compatibility requirements.
4.opensource.com:This collection of open source projects and applications has been submitted by our community through the years. Feel free to send us your (active) open source project for inclusion on this list.
5. Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all Internet users to experience the web. This site contains design documents, architecture overviews, testing information, and more to help you learn to build and work with the Chromium source code Google releases the majority of Chrome's source code as an open-source project Chromium