Side by side

Google Cloud Pub/Sub vs Sourcemeta One

Both stand on schema registry software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Google Cloud Pub/Sub

Free plan APIWeb

Pub/Sub provides message delivery controls and integrations for service-to-service workloads. Its authentication options, typical latency, and intended audience are important constraints to weigh.

Visit Google Cloud Pub/Sub

Sourcemeta One provides a Git-centered catalog and governance service for JSON Schema. Its Docker-only deployment and production commercial-license requirement for Enterprise are important constraints to consider.

Visit Sourcemeta One

The facts

	Google Cloud Pub/Sub	Sourcemeta One
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Web	Linux, Web
Lowest paid plan	See the plans	Free or on request
Plans published	4	2
Maker	Not published	Not published
Website	cloud.google.com	one.sourcemeta.com
On schema registry software	#11 of 26	#15 of 26

Google Cloud Pub/Sub: what it does well

First 10 GB per month is free.
Supports REST and gRPC.
Includes seek, replay, and dead letter topics.
Automatic provisioning after quota is set.
Maximum message size is 10 MB.

What to know first

API keys are not supported for authentication.
Intended for services, not direct end-user or IoT clients.
Typical communication latency is around 100 milliseconds.

Sourcemeta One: what it does well

Git-based configuration fits existing review workflows
Supports schema drafts through 2020-12
Can run headless through its HTTP API
Catalogs can be grouped by organization or domain
Community edition is free

What to know first

Docker is the only officially supported running method
Individual operating-system binaries are not provided
Enterprise pricing is available on request
Community edition has a subset of functionality

Alternatives to Google Cloud Pub/Sub Alternatives to Sourcemeta One The whole list