"4chan is a simple image-based bulletin board where anyone can post comments and share images. There are boards dedicated to a variety of topics, from Japanese animation and culture to videogames, music, and photography. Users do not need to register an account before participating in the community. Feel free to click on a board below that interests you and jump right in!" Source: 4chan homepage

"Curious Cat is an anonymous Q&A social networking site, with millions of monthly users from all over the world." Source: CuriousCat
"By signing into your Twitter account through the Curious Cat website (curiouscat.me), you have the ability to post questions anonymously or publicly that can be answered by that person. You can also “confess” something through Curious Cat, either posting as your Twitter account or as an anonymous user. When you confess something to another user, though, that user can’t reply back. You can also follow other people through Curious Cat. Through your feed, you can view published questions/answers and confessions." Source: SpunOut.ie

"Discord is a proprietary freeware VoIP application and digital distribution platform designed for video gaming communities, that specializes in text, image, video and audio communication between users in a chat channel. Discord runs on Windows, macOS, Android, iOS, Linux, and in web browsers." Source: Wikipedia

"Facebook is a social networking site that makes it easy for you to connect and share with family and friends online. Originally designed for college students, Facebook was created in 2004 by Mark Zuckerberg while he was enrolled at Harvard University. By 2006, anyone over the age of 13 with a valid email address could join Facebook. Today, Facebook is the world's largest social network, with more than 1 billion users worldwide." Source: GCFLearnFree.org

"Flickr is one of the most popular photo-hosting sites on the Web. It allows you to store up to 1,000 photos or videos for free. You'll also have the option to share some photos publicly while making others private." Source: GCFLearnFree.org

"Foursquare is a local search-and-discovery service mobile app which provides search results for its users. The app provides personalized recommendations of places to go to near a user's current location based on users' 'previous browsing history, purchases, or check-in history' (Source of quoted phrase: "How Foursquare and Other Apps Guess What You Want to Eat")." Source: Wikipedia

"Hootsuite is one of many tools referred to as a "Social Media Management System" or tool. It helps you keep track and manage your many social network channels. It can enable you to monitor what people are saying about your brand and help you respond instantly. You can view streams from multiple networks such as Facebook, Twitter and Google+ and post updates or reply directly. " Source: iag.me

"Imgur is an image hosting and sharing site, favored by users of social media and social news sites including Reddit, Twitter and Digg because of its ease of use and flexibility. It hosts images for free in various formats, including animated Gif files, supported by advertising, with paid-for professional accounts available. Those images are kept online for free, only deleted if the image is not accessed at least once during any six-month period. Users of the site can post comments, use tools to create new images and then share those images with both Imgur users and the wider internet." Source: The Guardian

"Instagram is a free photo and video sharing app available on Apple iOS, Android and Windows Phone. People can upload photos or videos to our service and share them with their followers or with a select group of friends. They can also view, comment and like posts shared by their friends on Instagram. Anyone 13 and older can create an account by registering an email address and selecting a username." Source: Instagram

"LinkedIn is a valuable resource for career and business professionals to network; obtain resources and support; and build relationships with potential customers, clients, and partners." Source: The Balance Small Business

"LiveJournal is a blogging application and community that debuted in 1999. Users can create free blogs or pay for an account that offers more features, fewer (or no) ads, increased customization, and more. LiveJournal began as a place for people to publish online journals, join into communities of users interested in the same topics, friend one another, and comment on each other's journal entries. Over time, the site became known as a blogging tool because of the structure of publishing posts and commenting on posts." Source: Lifewire

"MySpace is a social networking website offering an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos. MySpace was the largest social networking site in the world from 2005 to 2009. " Source: Wikipedia

This app "will let you discover posts and communities of your interest. Unlike other social media platforms, hello Network is meant to only show relevant posts from friends based on common interests or hobbies." Source: The Indian Express

"You can think of Pinterest like a web-based pinboard or bulletin board—but with greater organizational functionality. You can also think of it as a bookmarking tool.
People typically pin or save images they found on the web (or on Pinterest itself) to different boards (used to categorize their image collections). Many of the images saved on Pinterest are clickable, and open up in a new tab to the original webpage where they were found." Source: Lifewire

This "is a question-and-answer website where questions are asked, answered, edited, and organized by its community of users in the form of opinions." Source: Wikipedia

"Reddit is an American social news aggregation, web content rating, and discussion website. Registered members submit content to the site such as links, text posts, and images, which are then voted up or down by other members." Source: Wikipedia

"Second Life is a free 3D virtual world where users can create, connect, and chat with others from around the world using voice and text." Source: Second Life

"Sina Weibo is a Chinese microblogging (weibo) website and is one of the biggest social media platforms in China. Sina Weibo is a service website launched by sina.com to provide microblogging services. Users can send messages and multimedia messaging service through the website and the App, and they also can upload pictures and videos to the public for instant sharing. " Source: Wikipedia

"Snapchat is a mobile messaging application used to share photos, videos, text, and drawings. It’s free to download the app and free to send messages using it. The messages disappear from the recipient’s phone after a few seconds." Source: Webwise.ie

"SoundCloud is the world's largest open audio platform, powered by a connected community of creators, listeners and curators on the pulse of what's new, now and next in culture. Founded in 2007, SoundCloud empowers the world's audio creators with the best tools, services and resources to build and grow their careers." Source: SoundCloud

"Spotify is a digital music, podcast, and video streaming service that gives you access to millions of songs and other content from artists all over the world. Basic functions such as playing music are totally free, but you can also choose to upgrade to Spotify Premium. " Source: Spotify

"Mix enables you to curate and share the best of the internet. The platform learns what you love browsing and searching for across the web, to show you even more of what you are interested in." Source: Small Business Trends

"As they say themselves, 'Tumblr lets you effortlessly share anything. Post text, photos, quotes, links, music, and videos from your browser, phone, desktop, email or wherever you happen to be.' It is a cross between a social networking site (like Facebook and Twitter) and a blog. It is often described as ‘microblog’ as people usually post short snippets of text and quick snaps as opposed to longer diary style entries found in more traditional blogs." Source: Webwise.ie

"Twitch is a live streaming video platform owned by Twitch Interactive, a subsidiary of Amazon.[3] Introduced in June 2011 as a spin-off of the general-interest streaming platform, Justin.tv, the site primarily focuses on video game live streaming, including broadcasts of eSports competitions, in addition to music broadcasts, creative content, and more recently, "in real life" streams. Content on the site can be viewed either live or via video on demand." Source: Wikipedia

"Twitter is an online news and social networking site where people communicate in short messages called tweets." Source: Lifewire

"Vimeo is a video sharing platform that was launched in 2004 by a group of filmmakers. Since then, the platform has grown to over 80 million creators — most of them artists in film, animation, music and other works of art — who’ve been able to use Vimeo as a way to share and promote their work." Source: Lifewire

Discontinued Jan. 17, 2017! "Vine was a video-sharing app designed to allow users to film and share super short video clips that could be linked together in one video for a total of six seconds. Each Vine video (simply called a "vine") played in a continuous loop. They could be embedded and viewed directly in Twitter’s timeline or into any webpage." Source: Lifewire

"YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones." Source: Webwise.ie