Free Communication Software
Hacker News
Hacker News is a social news website initially built by YC co-founder Paul Graham as a demonstration of Arc, a new programming language he'd been working on. Today Hacker News is a go to source for news and discussion surrounding computer science and entrepreneurship, used by millions of people monthly. The site facilitates deeper nested discussion about technology, science and is used by startups and people promoting new ideas in ShowHN section.
LayerBB
LayerBB is a small yet feature rich, free and open-source community software written in PHP. LayerBB enables you to quickly and easily start your own community while providing great flexibility and customisability.
KDE Connect
KDE Connect is an open source software that enables communication between all your devices. With KDE Connect, you can get all your phone notifications instantly synced to your desktop, so that you never miss that critical message. You can also directly reply to text messages from the computer without having to pick up your mobile device. If you want to share files or links between devices, KDE Connect got you covered as well. As the software allow you to browse and share your phone files remotely or quickly open a link on the other device.
VK
VK is a Russian online social media and social networking service similar to that of Facebook. The social network is provided to a global audience but is predominantly used by Russian-speaking users. VK allows user to share their life with others publicly or privately through image, audio, video and text. Users can also create groups and public pages around topics and events.
Signal
Signal is a cross-platform encrypted messaging application that has a strong focus on privacy. The application is developed by Signal Messenger LLC and provides users with features like one-to-one and group messages, which can include files, voice notes, images and videos. The software is famous for being used by the whistleblower and privacy advocate Edward Snowden who once said "I use Signal every day, it is the most scalable encryption tool we have".
Calendify
Calendify is a calendar community where you can share, publish and subscribe to event calendars.
LinkedIn
LinkedIn is a business and employment-oriented social network. LinkedIn launched in 2003, it is mainly used for professional networking, including employers posting jobs and job seekers posting their CVs. Most of the company's revenue comes from selling access to information about its members to recruiters and sales professionals . As of May 2020, LinkedIn had 690+ million registered members in 150 countries. With LinkedIn, users can find jobs, people and business opportunities recommended by someone in one's contact network.
GNU social
GNU social connects you to a free network of thousands of communities that discuss daily on a variety of topics, each being part of the whole. GNU social supports both single-user and community modes and can be used in an intranet environment or as part of the wider open network. The free and open source microblogging server is written in PHP and built on-top of the OStatus standard for inter-operation between installations.
QQ
QQ is a Chinese web portal and instant messaging service owned and developed by the Chinese tech giant Tencent. With QQ users can engage in online social games, music, shopping, microblogging, movies, and group and voice chat services. QQ is provided in mandarine only.
