Open Source Communication Software
Manyverse
Manyverse is a social networking app that provide features like posts, likes, profiles, private messages. However, Manyverse is not like other social networks. It is not owned and operated by a single entity, instead Manyverse is a decentralized social network operated by the people. With no ads, no pay wall, no data centers, and no cookies, tracking or spying.
Okuna
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.
Utopia
Utopia is a free and open P2P Ecosystem with a feature-rich platform that is specifically designed to protect privacy of communication, confidentiality, and security of personal data. On Utopia's decentralized network, all data is distributed and secured by the networks participants. No central server is involved to facilitate data transmission and data storage.
bbPress
bbPress is forum software from the creators of WordPress. With bbPress you can quickly setup a forum for asyncronous discussion and subscriptions for your WordPress-powered site.
Tutanota
Tutanota is the world's most secure email service, easy to use and private by design. Tutanota brings secure email for everybody.
Element
Element is an All-in-one secure chat app for teams, friends and organisations that allow you to own your conversations. With Element you can keep conversations in your control, safe from data-mining and ads. Element utilize the open and global Matrix network for message relay, protected by proven end-to-end encryption.
Gitter
Gitter is an open-source instant messaging and chat room system for developers designed to make community messaging, collaboration and discovery as smooth and simple as possible. Gitter is provided as software-as-a-service and integrates with GitLab and GitHub repositories to make discussion around code even easier. With Gitter, you can can easily create, organise and grow your communities, inviting others to join just in one click. Over 1.5M users across 100K communities use Gitter to discuss code and development progress.
Mailspring
Mailspring is a desktop email client designed for macOS, Linux and Windows. It provides modern features like unified inbox, snoozing, templates, offline search, and support for Gmail labels. With Mailspring you can breath fresh air into your mailbox with support for various third-party IMAP provides such as Gmail, Office 365 and Microsoft Outlook. Mailspring intuitive features like read receipts, link tracking, send later, reminders, contact profiles and more.