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.

graymattervsSynapse-OSS

Two self-hosted Mem0 alternatives, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

graymatterSynapse-OSS
Score53/10035/100
Rank in category#38 of 125 in AI#105 of 120 in AI Assistant
GitHub stars48815
Stars, last 30 days—+0
Stable releases, 12 months140
Latest releasev0.20.1 · 9 Oct 2026—
SetupEasyAdvanced
Official Docker imageNoNo
LicenseMITMIT
Main languageGoPython

Which one should you pick?

graymatter scores 53/100 against 35/100 for Synapse-OSS, so it is the safer default.

graymatter ships more often: 14 stable releases in the past year, against 0 for Synapse-OSS.

If you want the quickest setup, graymatter is easier to run; Synapse-OSS needs more configuration.

Swap a project

Keep graymatter, compare it with
Keep Synapse-OSS, compare it with