selfhost.directory

The index of self-hostable projects — ranked, categorized and served with live updates.
Own your data and stop giving it to big tech.

Apache CassandravsProton Mail Bridge

Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

Apache CassandraProton Mail Bridge
Score74/10060/100
Rank in category#8 of 38 in Databases#11 of 33 in Communication
GitHub stars10 1271 575
Stars, last 30 days+25+0
Stable releases, 12 months010
Latest release—v3.27.1 · 8 Oct 2026
SetupAdvancedModerate
Official Docker imageYesNo
LicenseApache-2.0GPL-3.0
Main languageJavaGo

Which one should you pick?

Apache Cassandra scores 74/100 against 60/100 for Proton Mail Bridge, so it is the safer default.

Proton Mail Bridge ships more often: 10 stable releases in the past year, against 0 for Apache Cassandra.

If you want the quickest setup, Proton Mail Bridge is easier to run; Apache Cassandra needs more configuration.

Apache Cassandra is growing faster right now (+25 stars in 30 days).

Swap a project

Keep Apache Cassandra, compare it with
Keep Proton Mail Bridge, compare it with