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WordPress powers roughly 30% of all web pages online. It's a free and open source CMS designed and developed for self-hosted publishing by Automattic, Inc. The software is written in PHP and utilize either MySQL or MariaDB as a database, and is compatible with most web hosts. Wordpress includes a plugin architecture and a templating system that can be used to extend and customize your website. These are commonly known as WordPress plugins and WordPress themes and make up a whole open source and commercial eco-system where anyone is free to create products for the platform. 

Medium is an open bloging and publishing platform where readers find dynamic thinking, and where expert and undiscovered voices can share their writing on any topic.

Quora is a Questions and Answers website where people can gain and share knowledge. On Quora you can ask questions and connect with people who has unique insights and quality answers.

Mastodon is a free and open source decentralized social network that is used by over 4.4 million people. At mastodon you can follow friends, discover and rally around topics, and share links, pictures, text, video, much like Twitter. The main difference with Mastodon is the decentralized nature of the software. Anyone is free to start their own Mastodon server, that automatically interconnects with all the other Mastodon servers. Since the network is community-owned and not backed by any venture capital you can be sure that your data will not be monitized and that you will have an ad-free experience.

An ethical social network for a brighter tomorrow. Okuna launched on the scene in 2018 with a Kickstarter campaign under the name Openbook, where they succeeded to raise over $50,000. The goal of the project is to build a free and open source social media platform that respects user privacy. Okuna is still in closed beta and provides registration via invites only.

Locals is a new social network and content platform that rewards content creators. With Locals, you can get exclusive content directly from a creator that is never censored or filtered by an algorithm. Anyone can become a support and unlock an ad-free content library of your favorite creator. The open nature of the platform allows you to connect with members who have shared values and express your own views by creating your own posts and engage in healthy and productive discussions via comments. Locals is avalible as a web app and for Android and iOS.