LinkedIn is a social network for professionals. Useful for careers, jobs, opportunities, learning etc.
WhatsApp is an "instant messaging and voice-over-IP service owned by Facebook, Inc" Visit the website
Telegram is "free and open source, cross-platform, cloud-based instant messaging software" Visit the website
Signal is "a cross-platform centralized encrypted instant messaging service" Visit the website
Pinterest is an "image sharing and social media service designed to enable saving and discovery of information on the internet"
The Wikipedia description of TikTok is that it is a "social media platform that is used to make a variety of short-form videos, from genres like dance, comedy, and education, that have a duration from fifteen seconds to three minutes"
Snapchat is a messaging app. The main feature is that pictures and messages sent on the app are only available for a short time.
Digg is a news aggregating site.
Reddit - discussion forum- various topics and communities
Tumblr - is an American microblogging and social networking site.
Blogger is a blog publishing service that is provided by Google.
Blogs are personal websites where you can post information about your life and interests. The name is derived from Web Log. Some businesses also publish blogs to inform their customers and drive up sales and business.
WordPress
Wordpress.com - website, blogging platform (free or paid versions)
WordPress - open source software for creating websites, blogs and apps