AbloW
Ablo

Ablo is a social networking service for instant communications owned by Massive Media, a Belgium-based company founded in 2011 acquired by Meetic, a subsidiary of Match Group in 2012. Ablo enables users to connect and make friends with people from anywhere in the world by having live one-to-one text and video conversations, using an automated translation feature.

Byte (app)W
Byte (app)

Byte is an American social networking short-form video hosting service where users can create 16-second looping videos. It was created by a team led by Dom Hofmann and pitched as a successor to Vine, which he co-founded.

Clubhouse (app)W
Clubhouse (app)

Clubhouse is a social audio app for iOS and Android where users can communicate in audio chat rooms that accommodate groups of thousands of people. Other social audio apps like Discord Stage Channels, Facebook Live Audio Rooms, Reddit Talk, Slack Huddles, Spotify Greenroom, Telegram Voice Chats and Twitter Spaces all directly compete against Clubhouse.

Co–StarW
Co–Star

Co–Star is an American astrological social networking service founded in 2017 and headquartered in New York City. Users enter the date, time and place they were born to receive an astrological chart and daily horoscopes that they can compare to those of their friends.

DailymotionW
Dailymotion

Dailymotion is a French video-sharing technology platform primarily owned by Vivendi. North American launch partners included Vice Media, Bloomberg, and Hearst Digital Media. Dailymotion is available worldwide in 183 languages and 43 localised versions featuring local home pages and local content. It has more than 300 million monthly users.

DubsmashW
Dubsmash

Dubsmash is a New York-based video sharing social media service application for iOS and Android.

EkigaW
Ekiga

Ekiga is a VoIP and video conferencing application for GNOME and Microsoft Windows. It is distributed as free software under the terms of the GNU GPL-2.0-or-later. It was the default VoIP client in Ubuntu until October 2009, when it was replaced by Empathy. Ekiga supports both the SIP and H.323 protocols and is fully interoperable with any other SIP compliant application and with Microsoft NetMeeting. It supports many high-quality audio and video codecs.

Elgg (software)W
Elgg (software)

Elgg is open source social networking software that provides individuals and organizations with the components needed to create an online social environment. It offers blogging, microblogging, file sharing, networking, groups and a number of other features. It was also the first platform to bring ideas from commercial social networking platforms to educational software.

ExpoTVW
ExpoTV

EXPO or ExpoTV is a consumer-oriented video platform run by EXPO Communications, Inc., a Tehran–based company. The company's main website features video product reviews submitted by community members called “Videopinions” as well as 'how-to' video content and market research videos. As of March, 2018, over 300 videos were available on the site. EXPO distributes these videos to various consumer destinations including manufacturer websites, ecommerce websites, and social network platforms. EXPO's business model includes the licensing its content and technology, primarily to manufacturers but also to retailers and comparison shopping engines.

FiveSprocketsW
FiveSprockets

FiveSprockets was a web-based software company based in San Diego, California, United States focused on developing resources, social networking, and web-based collaborative software for scriptwriting, filmmaking and digital-video production. The name FiveSprockets came from the five phases, or sprockets, of media production: (1) Story Development & Scriptwriting; (2) Pre-production; (3) Production; (4) Post-production; and (5) Marketing & Distribution. Founded in 2007 by CEO Randy Ullrich, FiveSprockets launched its Beta Release in September 2008 with an initial focus on social networking, educational content, and web-based software for screenwriting and production management.

FlickrW
Flickr

Flickr is an American image hosting and video hosting service, as well as an online community, founded in Canada and headquartered in the United States. It was created by Ludicorp in 2004 and is a popular way for amateur and professional photographers to host high-resolution photos. It has changed ownership several times and has been owned by SmugMug since April 20, 2018.

FOAF (ontology)W
FOAF (ontology)

FOAF is a machine-readable ontology describing persons, their activities and their relations to other people and objects. Anyone can use FOAF to describe themselves. FOAF allows groups of people to describe social networks without the need for a centralised database.

FreedomBoxW
FreedomBox

FreedomBox is a free software home server operating system based on Debian, backed by the FreedomBox Foundation.

Gender differences in social network service useW
Gender differences in social network service use

Men and women use social network services (SNSs) differently and with different frequencies. In general, several researchers have found that women tend to use SNSs more than men and for different and more social purposes.

Instant messagingW
Instant messaging

Instant messaging (IM) technology is a type of online chat allowing real-time text transmission over the Internet or another computer network. Messages are typically transmitted between two or more parties, when each user inputs text and triggers a transmission to the recipient(s), who are all connected on a common network. It differs from email in that conversations over instant messaging happen in real-time. Most modern IM applications use push technology and also add other features such as emojis, file transfer, chatbots, Voice over IP, or video chat capabilities.

Jack'dW
Jack'd

Jack'd is a location-based chat and dating app catering to gay and bisexual men. It is available for Android, iPhone, and Windows phones. Jack'd was previously owned by Online Buddies, owner of Manhunt. In 2019, Perry Street Software, the parent company of Scruff, bought Jack’d for an undisclosed sum.

Jelly (app)W
Jelly (app)

Jelly was an app that served as a Q&A platform, created by Jelly Industries, a search-engine company founded and led by Biz Stone, one of Twitter's co-founders. In March 2017, Jelly was acquired by Pinterest for an undisclosed amount.

KalturaW
Kaltura

Kaltura is a New York-based software company founded in 2006. Kaltura operates in four major markets: Cloud TV for operators and media companies, online video platform (OVP) offered mostly to media companies and brands looking to distribute content or monetize it, Education Video Platform (EdVP) offered to educational institutions, and Enterprise Video Platform (EVP) for collaboration, communications and marketing.

KickAppsW
KickApps

KickApps is a hosted platform for creating social networks and adding social software features, video players and widgets to websites. More than 100,000 sites use KickApps, including major media companies and a wide variety of niche websites.

KoofersW
Koofers

Koofers is a private company, founded in 2008 and headquartered in Reston, VA. Koofers is an interactive community that serves the academic needs of college students through information sharing. College students have access to the service by creating an account with their e-mail address.

LBRYW
LBRY

LBRY is a blockchain-based file-sharing and payment network that powers decentralized platforms, primarily social networks and video platforms. LBRY's creators also run Odysee, a video-sharing website that uses the network. Video platforms built on LBRY, such as Odysee, have been described as decentralized alternatives to YouTube. The company has described Odysee and other platforms it has built utilizing its LBRY protocol as platforms for free speech and lightly moderates content, including removing pornography or the promotion of violence and terrorism.

LeetW
Leet

Leet, also known as eleet or leetspeak, is a system of modified spellings used primarily on the Internet. It often uses character replacements in ways that play on the similarity of their glyphs via reflection or other resemblance. Additionally, it modifies certain words based on a system of suffixes and alternate meanings. There are many dialects or linguistic varieties in different online communities.

LifestreamingW
Lifestreaming

Lifestreaming is an act of documenting and sharing aspects of one's daily social experiences online, via a lifestream website that collects the things person chooses to publish and presents them in reverse-chronological order.

Mastodon (software)W
Mastodon (software)

Mastodon is free and open-source software for running self-hosted social networking services. It has microblogging features similar to the Twitter service, which are offered by a large number of independently run Mastodon nodes, each with its own code of conduct, terms of service, privacy options, and moderation policies.

Moments (social networking)W
Moments (social networking)

Moments is a function of the smartphone app WeChat, launched on 19 April 2012 in the WeChat version 4.0. It serves new social-networking functions for Wechat users. The Chinese translation of Moment is known as “Friends' circle”, which means users can share and get access to accepted WeChat friends' information, creating an intimate and private communicating circle within the users' choice of close friends.

MOSH (Nokia)W
MOSH (Nokia)

MOSH was a user defined distribution channel for mobile content initiated by Nokia. The name "MOSH" comes from "Mobilize and Share". The channel could have been used to both download and upload various content for mobile phones or other platforms. File types that were handled were: audio, images, applications, games, videos, documents.

MovimW
Movim

Movim is a distributed social network built on top of XMPP, a popular open standards communication protocol. Movim is a free and open source software licensed under the AGPL-3.0-or-later license. It can be accessed using existing XMPP clients and Jabber accounts.

MySocietyW
MySociety

mySociety is a UK-based registered charity, previously named UK Citizens Online Democracy. It began as a UK-focused organisation with the aim of making online democracy tools for UK citizens. However, those tools were open source, so that the code could be – and soon was – redeployed in other countries.

NutshellMailW
NutshellMail

NutshellMail is a social network aggregation service that allows users to manage and interact with updates from social networking services through a consolidated email digest. NutshellMail's mission according to its website is to keep users connected yet productive at the same time. NutshellMail supports Facebook, Twitter, MySpace, LinkedIn, and Ning.

OdnoklassnikiW
Odnoklassniki

Odnoklassniki is a social network service used mainly in Russia and former Soviet Republics. The site was developed by Albert Popkov and launched on March 4, 2006.

OpenDesktop.orgW
OpenDesktop.org

openDesktop.org is a libre website portal offering personal cloud services like storage and communication services, as well as public services in form of a store for libre content publishing and a code hosting site for open development.

OpenSocialW
OpenSocial

OpenSocial is a public specification that defines a component hosting environment (container) and a set of common application programming interfaces (APIs) for Web-based applications. Initially, it was designed for social network applications and developed by Google along with MySpace and a number of other social networks. More recently, it has become adopted as a general use runtime environment for allowing untrusted and partially trusted components from third parties to run in an existing web application. The OpenSocial Foundation moved to integrate or support numerous other Open Web technologies. This includes OAuth and OAuth 2.0, Activity Streams, and Portable Contacts, among others.

PH7BuilderW
PH7Builder

pH7Builder is an open source Social Dating software that allows creation of online communities and social dating services.

PicoSpanW
PicoSpan

Picospan was a popular computer conferencing tool written by Marcus D. Watts for the Altos 68000. It was written in 1983, for the most famous and popular computer conferencing system at that time, called M-Net, which was owned and operated by Mike Myers. Sometime in 1984, Marcus's employer, an Ann Arbor company called Network Technologies International (NETI) purchased the rights for PicoSpan planning to develop it into a commercial product called E-Forum.

Pump.ioW
Pump.io

Pump.io is a general purpose activity streams engine that can be used as a federated social networking protocol which "does most of what people really want from a social network". Started by Evan Prodromou, it is a follow up to StatusNet; Identi.ca, which was the largest StatusNet service, switched to pump.io in June 2013.

RoposoW
Roposo

Roposo is an Indian video-sharing social media service, owned by Glance, a subsidiary of InMobi. Roposo provides a space where users can share posts related to different topics like food, comedy, music, poetry, fashion and travel. It is a platform where people express visually with homemade videos and photos. The app offers a TV-like browsing experience with user-generated content on its channels. Users can also use editing tools on the platform and upload their content.

RoundMeW
RoundMe

RoundMe is a virtual tour application which allows users to create, upload and share 360 degree panoramic photos and multimedia content of real spaces, that users could visit virtually using Google Cardboard or any VR headsets. The app is available on the web, iOS and Android. Roundme was positioned as one of the Best New Apps in the iTunes App Store in 58 countries in 2015. Roundme raised a $3 million round led by April Capital in 2015, reportedly by TechCrunch. The company is also hosting spaces for brands including National Library of Belarus and American Airlines.

Semantically-Interlinked Online CommunitiesW
Semantically-Interlinked Online Communities

Semantically-Interlinked Online Communities Project is a Semantic Web technology. SIOC provides methods for interconnecting discussion methods such as blogs, forums and mailing lists to each other. It consists of the SIOC ontology, an open-standard machine readable format for expressing the information contained both explicitly and implicitly in Internet discussion methods, of SIOC metadata producers for a number of popular blogging platforms and content management systems, and of storage and browsing/searching systems for leveraging this SIOC data.

Skype QikW
Skype Qik

Skype Qik was a video messaging service by Skype. It was created by the company, Skype Technologies, who acquired Qik. The service, offered for Android, iOS, and Windows Phone devices, allowed users to exchange video messages between individuals or within a group.

Slowly (app)W
Slowly (app)

Slowly is a geosocial networking application that allows users to exchange delayed messages or "letters". The time taken by a message to be delivered depends on the distance between the sender and the recipient.

Spotify GreenroomW
Spotify Greenroom

Spotify Greenroom is a social audio app from Spotify, which allows the user to host or participate in a live-audio virtual environment called room for conversation. The current capacity of a room is limited to 1000 people. The app is available for Android and iOS. It rivals Twitter Spaces and Clubhouse that belong to the same social media segment.

StarmaticW
Starmatic

Starmatic was a social networking-enabled photo sharing and filtering application for the Apple iPhone, launched in September 2012.

TellonymW
Tellonym

Tellonym is a free, ad-supported, cross-platform messaging app to have questions answered. Tellonym is an easy way to get feedback and supports the anonymity of the person giving the feedback as well as the possibility to give unsolicited feedback. Currently, a total of 40 million users worldwide are logged on to the portal. As of March 2019, approximately one-third of these are German-speaking users. The remainder are mainly from the United States, Great Britain, Brazil and Australia.

Tent (protocol)W
Tent (protocol)

Tent is a protocol for open, decentralized social networking. Tent users share content with apps and each other. Anyone can run a Tent server, or write an app or alternative server implementation that uses the Tent protocol. Users can take their content and relationships with them when they change or move servers. Tent supports extensible data types so developers can create new kinds of interaction. Tent is inspired by Project Xanadu.

TikTokW
TikTok

TikTok, known in China as Douyin, is a video-focused social networking service owned by Chinese company ByteDance. It hosts a variety of short-form user videos, from genres like dance, comedy, and education, with durations from 15 seconds to three minutes. TikTok is an international version of Douyin, which was originally released in the Chinese market in September 2016. TikTok was launched in 2017 for iOS and Android in most markets outside of mainland China; however, it became available worldwide only after merging with another Chinese social media service, Musical.ly, on 2 August 2018.

Triller (app)W
Triller (app)

Triller is an American video-sharing social networking service. The service allows users to create and share short-form videos, including videos set to, or automatically synchronized to music using artificial intelligence technology. Triller was released for iOS and Android in 2015, and initially operated as a video editing app before adding social networking features.

TriposoW
Triposo

Triposo is a social travel site and mobile app that uses algorithms for journey planners.

Twine (social network)W
Twine (social network)

Twine was an online, social web service for information storage, authoring and discovery, located at twine.com, that existed from 2007 to 2010. It was created and run by Radar Networks. The service was announced on October 19, 2007 and made open to the public on October 21, 2008. On March 11, 2010, Radar Networks was acquired by Evri Inc. along with Twine.com. On May 14, 2010, twine.com was shut down, becoming a redirect to evri.com.

Twister (software)W
Twister (software)

Twister is free software for experimental peer-to-peer microblogging. Being completely decentralized means that no one is able to shut it down, as there is no single point to attack. The system uses end-to-end encryption to safeguard communications. It is based on both BitTorrent and Bitcoin-like protocols and is considered a (distributed) Twitter clone.

VirbW
Virb

Virb was a website owned by Media Temple that lets individuals and businesses create their own websites. Users added web content using simple tools and then customized the design of their site using built-in options or with CSS and HTML. They could also connect to networking websites such as Twitter.

VyRTW
VyRT

VyRT was an American provider of on-demand Internet streaming media available to viewers worldwide. The company was established in late 2011 and was headquartered in Los Angeles, California. VyRT was founded by entertainer Jared Leto as a website for hosting online events, but soon diversified into featuring digital distribution and online shopping. It also included social networking.

Wall.fmW
Wall.fm

Wall.fm is an online service for people to build and host social networking services, powered by Oxwall software. Wall.fm allows users over 18 years old to register a free account and create custom social networking websites. The site creation process does not involve any coding, and consists of only two steps. The distinctive Wall.fm features are user roles, customizable themes, activity newsfeed, website/profile/content privacy, monetization pack. One of its main competitive advantages is that the service is built on an open source platform, which means a certain degree of freedom for site owners. Wall.fm offers three plans: Starter, Pro and Ultimate. Plans offer different feature sets, disk space and bandwidth, individual support and vendor's branding removal. Every plan offers free trial.

WeverseW
Weverse

Weverse is a Korean mobile app and web platform created by South Korean entertainment company Hybe Corporation. The app specializes in hosting multimedia content and artist-to-fan communications for musicians. Its accompanying e-commerce app, Weverse Shop, sells subscriptions for content on Weverse, artist-related products, and merchandise.

ZemblyW
Zembly

Zembly was a browser-based development environment from Sun Microsystems that enabled social programming of applications for Facebook, Meebo, OpenSocial, iPhone web applications, and other social platforms, as well as web widgets. Users of zembly interacted with one another via zembly's social networking features to engage in co-development of applications for these platforms. It was available from 2008–2009.

ZhuraW
Zhura

Zhura, merged with screenwriting competitor Scripped as of March 28, 2010, is a free web-based screenwriting software application for writing and formatting screenplays to the film industry standard, as well as other formats. Zhura allows users to collaborate on scripts in public or in private groups and used Creative Commons Licensing for all work in the public workspace.

Zune SocialW
Zune Social

Zune Social was the online component of Microsoft's Zune initiative. It is a social networking website that displays a user's most-played artists, favorite and recently played songs, a list of the users friends, what your friends are listening to, and any comments about them. It has been compared to iLike and Last.fm in that it tracks and displays, or "scrobbles," songs that the user has played.