imapsync
MailStore
Gmvault
getmail6
OfflineIMAP
mnIMAPSync
FastMail
mbsync is a command line application which synchronizes mailboxes.

Common Room
6sense
Scarf.club
Reo.Dev is a Revenue Intelligence tool for Developer focused Go-To-Market and allows you to map developer activity and convert it into revenue pipeline.

Which is more popular?
Based on our record, isync (mbsync) seems to be more popular. It has been mentioned 17 times since March 2021.
Website, pricing, platforms and company facts side by side.
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isync (mbsync)
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| Website | isync.sourceforge.io | reo.dev |
| Pricing | — | |
| Company | — | Startup from the United States · 20 - 49 employees |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of isync (mbsync) yet.
Reo.Dev is a revenue intelligence tool tailored for developer-focused Go-To-Market teams. It identifies intent signals from a variety of developer-specific sources including GitHub interactions, package manager installations (e.g., npm, pip, helm), open-source telemetry, cloud sign-ups, and...
What each product offers, as listed by its team.

Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.

No analysis of isync (mbsync) yet.
Overall verdict
Why this product is good
Recommended for
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What is Reo.Dev and How it works?
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using isync (mbsync) and Reo.Dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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The quality of signals and the depth of data has helped us prioritize the right accounts and move faster with experimentation. It’s saved us a lot of guesswork. A strong product that’s become an essential part of our...
It gives us clear visibility into active developer accounts and helps us target with much more precision.
We’ve had a strong experience so far. The insights help us close faster and avoid wasting cycles on the wrong deals.
Recommendations tracked on public social media and blogs since March 2021.

Instead of migrating from server to server — and remaining on computers I don’t own - I download locally which it looks this tool doesn’t do. I use mbsync/isync which is fast and reliable. https://isync.sourceforge.io/. - Source: Hacker News / over 1 year ago
There are also isync and OfflineIMAP which sync email locally. Source: over 3 years ago
I set up mbsync to mirror the current (last 90 days) of my Fastmail IMAP account into another local Maildir, and told Notmuch to index that as well. This ensures a Notmuch search will cover both current & archived messages. Source: over 3 years ago
Tracking Reo.Dev since Mar 2025.
When comparing isync (mbsync) and Reo.Dev, you can also consider the following products.

Console-based utility for migrating IMAP mailboxes.
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Scarf is the all-in-one platform to build your own branded member area. Host courses, run communities, and showcase events—fully customized to match your identity.
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