FerretDB
Open-source · self-hostable · replaces 1 SaaS tool on os-alt
FerretDB/FerretDB · stale · ★ 10.9k · last commit 3mo ago · 444 open issues
License: Apache-2.0
Good fit for Teams that want a true OSS license + Postgres durability without leaving the Mongo client SDKs.
Weak at Compatibility is per-operator; not a 100% drop-in for large existing apps.
In a terminal? npx -y github:SolvoHQ/os-alt-cli mongodb-atlas prints
the MongoDB Atlas comparison table including FerretDB.
how the CLI works →
Replaces these SaaS
- MongoDB Atlas · Document database (managed)
FerretDB speaks the MongoDB wire protocol. `mongodump` from Atlas; `mongorestore` against the FerretDB endpoint. Most CRUD + aggregation pipelines work; advanced operators (geospatial, full-text search) have partial coverage — check the FerretDB compatibility matrix before committing.
README badges for the SaaS this replaces
Maintainers and forks: drop a badge in your README to link readers from the SaaS-comparison page back to your repo.