We're a little different in that we're not just 100% open-source, but also 100% compatible with community PostgreSQL. see https://pgscorecard.com for comparisons between pgEdge and YugabyteDB, CockroachDB on that front.

More thoughts on why we feel that's important here: https://www.pgedge.com/blog/considering-distributed-postgres...

and the Buyer's Guide (https://www.pgedge.com/landing-pages/distributed-postgresql-...) referenced within does list more technical details and comparisons between us and YugabyteDB / CockroachDB.