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A small and easy to configure SMTP and POP3 server for Windows and Linux.
Enigma 1/2 is a modern, multi-platform BBS engine with unlimited "callers" and legacy DOS door game support.
Modern IRCv3 server written in Go, combining the features of an ircd, a services framework, and a bouncer.
Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again.
Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground.
A free and open source instant messaging and VoIP chat app built for friends, groups, and communities.
Privacy-focused encrypted email for everyone. All-in-one alternative to Gmail + Mailchimp + Sendgrid.
Video conferencing server that is easy to deploy and that requires moderate server resources.
Whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.
ActivityPub federated social network server implementing the Mastodon client API.
Notification server with Android and CLI clients (alternative to PushBullet).
Habitat is a free and open source self-hosted social platform for local communities
Bridge that interacts with Fediverse on behalf of your static site.
Decentralized identity, privacy, publishing, sharing, cloud storage, and communications/social platform.
