Top 5 Scala OpenAPI Projects

tapir

14 1,288 9.8 Scala

Declarative, type-safe web endpoints library
guardrail

2 513 9.3 Scala

Principled code generation from OpenAPI specifications
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Play Swagger

2 402 7.5 Scala

Swagger spec generator for play framework

Project mention: OpenAPI v4 Proposal | news.ycombinator.com | 2023-05-31

play-swagger [2] for scala + play. They generate a significant portion of your spec for you, then a client can be generated from the spec.
[1] https://github.com/juhaku/utoipa
[2] https://github.com/iheartradio/play-swagger

smithy-translate

1 50 9.0 Scala
theGardener

1 20 4.6 Scala

theGardener will help you to include the documentation in your development loop so that you will trust again the documentation you provide.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).