Startups
Browse startups that are checked for life and kept current. Sort by community signal or see what was verified most recently.
Cyrus IMAP
wildduck
WildDuck is a scalable no-SPOF IMAP/POP3 mail server
Stalwart Mail Server
Open-source mail and collaboration server with JMAP, IMAP4, POP3, SMTP, CalDAV, CardDAV and WebDAV support.
SimpleLogin
With email aliases , you can be anonymous online and protect your inbox against spams and phishing.
Postal
A fully featured open source mail delivery platform for incoming & outgoing e-mail
Mox
Modoboa
Modoboa is an open source email server including a modern and simplified Web User Interface.
Mailu
Mailcow
The mailserver suite with the
Mail-in-a-Box
Take back control of your email with this easy-to-deploy mail server in a box.
Maddy Mail Server
iRedMail
iRedMail - Free, Open Source Mail Server Solution
Inboxen
DebOps
b1gMail
b1gMail OSS Community
AnonAddy
Create unlimited email aliases for free.
Zulip
Zulip is an organized team chat app for distributed teams of all sizes.
Typebot
Typebot is a no-code platform that enables you to effortlessly create and integrate advanced chatbots into websites and chat platforms like
Tuwunel
Tuwunel, a high performance successor to Conduit and Conduwuit
Tox
Whether it
Tiledesk
Tiledesk is the open-source, no-code platform to build AI chatbots and connect live agents.
Matrix
Matrix, the open protocol for secure decentralised communications
Stoat
Stoat is the chat app for friends and communities that finally works the way you always wished it would.
Spectrum 2
Spectrum 2 : Spectrum 2 IM transports
Screego
Screego - open source screen sharing for developers