Tag
9 catalogue entries use this topic; each Project's license policy is labeled separately.
Open-source AI email assistant that triages Gmail and Outlook
Inbox Zero is an open-source AI email assistant for Gmail and Outlook that triages mail, drafts replies, and automates follow-ups, available as paid hosted plans or self-hosted.
Encrypted email, calendar and contacts with open-source apps
Tuta is an end-to-end encrypted email service with calendar and contacts, offering open-source apps and hosted servers in Germany.
Open-source user infrastructure for auth, payments, emails, and analytics
Hexclave is an open-source user-infrastructure platform for authentication, teams, payments, emails, and analytics, available as managed cloud or free self-hosting.
Debian-based server OS for self-hosting apps and email
YunoHost is a Debian-based server operating system for self-hosting web apps, email, and user accounts without expert administration.
Open-source team email hub with shared inboxes
UnInbox is an open-source communication hub that gives teams shared email inboxes and messaging in one place, available as hosted plans or self-hosted.
Open-source JMAP email client for web, Android, and iOS
Twake Mail is an open-source email client by Linagora that reads mail over the JMAP protocol on web, Android, and iOS, with self-hosting via Docker.
Google's email client and the inbox most people mean
Gmail's search is still the reason to use it. Conversation threading, effectively unlimited retention on paid plans, and spam filtering that most self-hosted setups cannot match make it the default even for people uncomfortable with the arrangement.
Screened, tracker-free email plus calendar from 37signals
HEY is a paid email and calendar service from 37signals that screens new senders, sorts mail into a focused Imbox, and blocks tracking pixels.
Transactional and marketing email delivery
SendGrid handles the part of email nobody wants to own: reputation, authentication, bounce processing, and the endless negotiation with inbox providers about whether your mail is wanted.