1. CouchDB. https://couchdb.apache.org/. CouchDB. https://couchdb.apache.org/.
2. Distributed system safety research. https://jepsen.io/. Distributed system safety research. https://jepsen.io/.
3. Flow. https://github.com/apple/foundationdb/ tree/master/flow. Flow. https://github.com/apple/foundationdb/ tree/master/flow.
4. FoundationDB. https://github.com/apple/foundationdb. FoundationDB. https://github.com/apple/foundationdb.
5. FoundationDB Document Layer. https: //github.com/FoundationDB/fdb-document-layer. FoundationDB Document Layer. https: //github.com/FoundationDB/fdb-document-layer.