Apache Pulsar vs Apicurio Registry

Apache Pulsar

7.1 #8 in Message Queue (MQ) Software

About Apache Pulsar

Apicurio Registry

7.1 #7 in Schema Registry Software

About Apicurio Registry
Apache PulsarApicurio Registry
Free planYes
Paid fromFree
Platformsapi, Linux, macOS, self-hosted, Windowsapi, Linux, macOS, self-hosted, Web, Windows
Free planYes
Deployment modelself-hosted
Stream processingYes
Schema registryYes
Delivery guaranteeboth
Supported client languagesJava, Go, Python, C++, C#/.NET, Node.js, WebSocket
Contract formatsOpenAPI, AsyncAPI, GraphQL, Apache Avro, Google Protobuf, JSON Schema, Kafka Connect, WSDL, XML Schema, ODCS v3.1
Consumer verificationYes
Contract registryYes
AsyncAPI supportYes
GraphQL supportYes
Self-hosted deploymentYes

Listed together in Best Schema Registry Software