Based on our record, imapsync should be more popular than Clearbit. It has been mentiond 7 times since March 2021. We are tracking product recommendations and mentions on Reddit, HackerNews and some other platforms. They can help you identify which product is more popular and what people think of it.
We've used this https://imapsync.lamiral.info/ to do IMAP to IMAP before. Works great, very reliable. It likely won't do contacts/calendars since I don't believe those are populated via standard IMAP. - Source: Reddit / 2 months ago
I can recommend imapsync. Liked it so much I donated a little dosh to the developer. https://imapsync.lamiral.info. - Source: Hacker News / 3 months ago
I've had great success using imapsync. - Source: Reddit / 3 months ago
Are there any pros/cons to using mbsync over imapsync out of curiosity? Only ask as I've seen imapsync recommended in many places. https://imapsync.lamiral.info/. - Source: Hacker News / 4 months ago
I'd guess that Fastmail are just using imapsync behind-the-scenes. Quite a few providers that offer IMAP import reuse parts of the imapsync script. :). - Source: Reddit / 5 months ago
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