Best Schema Registry Software in 2026
Updated
In short: Buf Schema Registry is ranked #1 of 23 as of 4 October 2026, ahead of TIBCO Messaging Schema Repository for Apache Kafka and AWS Glue Schema Registry. The best-ranked option with a free plan is TIBCO Messaging Schema Repository for Apache Kafka. The lowest first paid tier on this page is WarpStream BYOC Schema Registry at $0.03/mo.
When managing schemas across data systems, registry features can shape how teams validate and govern changes. Compared on schema formats, compatibility modes, validation scope, and approval workflows, the entries also vary by deployment options and Git synchronization. Free-plan availability and paid-from pricing are listed for cost comparison. Buf Schema Registry leads the ranking, followed by TIBCO Messaging Schema Repository for Apache Kafka and Yandex SpeechKit; AWS Glue Schema Registry and AxonOps Schema Registry also appear among the early entries. Consider the formats and processes you need to support, then compare the listed capabilities and deployment details.
23 schema registry software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 Buf Schema Registry No phone app RecognisedPhone appDocumentedFree plan 6.4$0.50/mo Schema formats: ProtobufCompatibility modes: FILE, PACKAGE, WIRE, WIRE_JSONValidation scope: api
- 2 TIBCO Messaging Schema Repository for Apache Kafka No phone app RecognisedPhone appDocumentedFree plan 6.4Free Schema formats: Apache Avro JSON schemaCompatibility modes: BACKWARD, BACKWARD_TRANSITIVE, FORWARD, FORWARD_TRANSITIVE, FULL, FULL_TRANSITIVE, NONEValidation scope: event
- 3 AWS Glue Schema Registry No phone app RecognisedPhone appDocumentedFree plan 6.3Free Schema formats: Avro, JSON Schema, Protocol Buffers (Protobuf)Compatibility modes: NONE, DISABLED, BACKWARD, BACKWARD_ALL, FORWARD, FORWARD_ALL, FULL, FULL_ALLValidation scope: event
- 4 AxonOps Schema Registry No phone app RecognisedPhone appDocumentedFree plan 6.3Free Schema formats: Avro, Protocol Buffers, JSON SchemaCompatibility modes: NONE, BACKWARD, BACKWARD_TRANSITIVE, FORWARD, FORWARD_TRANSITIVE, FULL, FULL_TRANSITIVEValidation scope: event
- 5 Confluent Cloud No phone app RecognisedPhone appDocumentedFree plan 6.3$385/mo
- 6 Google Cloud Pub/Sub No phone app RecognisedPhone appDocumentedFree plan 6.3$40/mo
- 7 Karapace No phone app RecognisedPhone appDocumentedFree plan 6.3$35/mo Schema formats: Avro, Protobuf, JSON SchemaCompatibility modes: NONE, BACKWARD, BACKWARD_TRANSITIVE, FORWARD, FORWARD_TRANSITIVE, FULL, FULL_TRANSITIVEValidation scope: event
- 8 Apache Pulsar No phone app RecognisedPhone appDocumentedFree plan 6.2Free
- 9 Yandex Cloud Schema Registry No phone app RecognisedPhone appDocumentedFree plan 6.0Free Schema formats: Avro, JSON Schema, ProtobufCompatibility modes: BACKWARD, BACKWARD_TRANSITIVE, FORWARD, FORWARD_TRANSITIVE, FULL, FULL_TRANSITIVE, NONEValidation scope: event
- 10 Yandex SpeechKit No phone app RecognisedPhone appDocumentedFree plan 5.9 Schema formats: Avro, JSON Schema, ProtobufCompatibility modes: BACKWARD, BACKWARD_TRANSITIVE, FORWARD, FORWARD_TRANSITIVE, FULL, FULL_TRANSITIVE, NONEValidation scope: event
- 11 Cloudera Schema Registry No phone app RecognisedPhone appDocumentedFree plan 5.7 Schema formats: Avro, JSONCompatibility modes: Backward, Forward, Full, NoneValidation scope: event
- 12 Raystack Stencil No phone app RecognisedPhone appDocumentedFree plan 5.7 Schema formats: Protobuf, Avro, JSON SchemaCompatibility modes: backward, forward, fullValidation scope: event
- 13 Redpanda No phone app RecognisedPhone appDocumentedFree plan 5.7
- 14 AWS Glue DataBrew No phone app RecognisedPhone appDocumentedFree plan 5.5$0.48/mo
- 15 WarpStream BYOC Schema Registry No phone app RecognisedPhone appDocumentedFree plan 5.5$0.03/mo Schema formats: Avro, ProtobufValidation scope: event
- 16 Snowplow No phone app RecognisedPhone appDocumentedFree plan 5.4
- 17 Azure Schema Registry No phone app RecognisedPhone appDocumentedFree plan 5.3 Schema formats: Avro, JSON Schema, ProtobufCompatibility modes: Backward, Forward, NoneValidation scope: event
- 18 Lenses No phone app RecognisedPhone appDocumentedFree plan 5.3 Schema formats: Avro, Protobuf, JSON, XMLValidation scope: event
- 19 Sourcemeta One No phone app RecognisedPhone appDocumentedFree plan 5.3Free Schema formats: JSON SchemaCompatibility modes: Backward-compatible change detectionValidation scope: api
- 20 Amazon EventBridge No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema formats: OpenAPI 3; JSON Schema Draft 4Validation scope: event
- 21 Dataphos Schema Registry No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema formats: JSON, Avro, Protocol Buffers, XML, CSVCompatibility modes: BACKWARD, BACKWARD_TRANSITIVE, FORWARD, FORWARD_TRANSITIVE, FULL, FULL_TRANSITIVE, NONEValidation scope: event
- 22 Alibaba Cloud EventBridge Schema Registry No phone app RecognisedPhone appDocumentedFree plan 5.1 Schema formats: JSONValidation scope: event
- 23 Apicurio Registry No phone app RecognisedPhone appDocumentedFree plan 4.7
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which schema registry software is ranked first on Samsung Mobile US Press?
Buf Schema Registry is ranked #1 of 23 with a score of 6.4. TIBCO Messaging Schema Repository for Apache Kafka is second and AWS Glue Schema Registry third.
How many of these have a free plan?
10 of the 23 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, WarpStream BYOC Schema Registry has the lowest first paid tier we found: $0.03/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.