your notmuch database (mail and tags) across machines
* [lieer](https://github.com/gauteh/lieer) - Fast email-fetching and two-way tag
- synchronization between notmuch and GMail (formerly known as gmailieer)
+ synchronization between notmuch and GMail (Note that lieer was formerly known
+ as gmailieer.)
+
+* [mujmap](https://github.com/elizagamedev/mujmap/) - synchronize
+ notmuch mail with a JMAP server, i.e. synchronizing tags with keywords
+ and mailboxes. Analogous to lieer, but for [JMAP](https://jmap.io)
+ supporting mail hosts.
See more exhaustive list of [[software]] notmuch works with and the
[[initial_tagging]] page for more info on initial tagging of messages.