circe is a JSON library for Scala (and Scala.js).
Please see the guide for more information about why circe exists and how to use it.
Are you using circe? Please consider opening a pull request to list your organization here:
- Project September (using circe to exchange and store data within the platform and serve data using GraphQL with Sangria)
- SoundCloud (transforming 200,000,000 JSON events every hour in MapReduce ETLs)
- TabMo (parsing more than 100k events per second with Akka Stream and Spark)
- Twilio (sending many, many millions of messages a day with Circe and Akka)
- The Guardian
- Ravel Law (using circe to (de)serialize data for search, analytics, and visualization of tens of millions of legal opinions)
Other circe organization projects
- circe-jackson: A library that provides Jackson-supported parsing and printing for circe.
- circe-yaml: A library that uses SnakeYAML to support parsing YAML 1.1
- circe-spray: A library that provides JSON marshallers and unmarshallers for Spray using circe.
- circe-benchmarks: Benchmarks for comparing the performance of circe and other JSON libraries for the JVM.
The following open source projects are either built on circe or provide circe support:
- Actor Messenger: A platform for instant messaging.
- akka-http-json: A library that supports using circe for JSON marshalling and unmarshalling in Akka HTTP.
- akka-stream-json: A library that provides Json support for stream based applications using jawn as a parser with a convenience example for circe.
- Argus: Generates models and circe encoders and decoders from JSON schemas.
- cornichon: A DSL for JSON API testing.
- Cosmos: An API for DCOS services that uses circe.
- crjdt: A conflict-free replicated JSON datatype in Scala.
- diffson: A Scala diff / patch library for JSON.
- elastic4s: A Scala client for Elasticsearch with circe support.
- Enumeratum: Enumerations for Scala with circe integration.
- Featherbed: A REST client library with circe support.
- Finch: A library for building web services with circe support.
- fintrospect: HTTP contracts for Finagle with circe support.
- fluflu: A Fluentd logger.
- Github4s: A GitHub API wrapper written in Scala.
- content-api-models: The Guardian's Content API Thrift models.
- http4s: A purely functional HTTP library for client and server applications.
- Iglu Schema Repository: A JSON Schema repository with circe support.
- jsactor: An actor library for Scala.js with circe support.
- jwt-circe: A JSON Web Token implementation with circe support.
- kadai-log: A logging library with circe support.
- msgpack4z-circe: A MessagePack implementation with circe support.
- play-circe: circe support for Play!.
- Rapture: Support for using circe's parsing and AST in Rapture JSON.
- roc: A PostgreSQL client built on Finagle.
- sangria-circe: circe marshalling for Sangria, a GraphQL implementation.
- scalist: A Todoist API client.
- scala-jsonapi: Scala support library for integrating the JSON API spec with Spray, Play! or Circe
- Slick-pg: Slick extensions for PostgreSQL.
- telepooz: A Scala wrapper for the Telegram Bot API built on circe.
- Zenith: Functional HTTP library built on circe.
The following projects provide examples, templates, or benchmarks that include circe:
Contributors and participation
Please see the contributors' guide for details on how to submit a pull request.
circe is licensed under the Apache License, Version 2.0 (the "License"); you may not use this software except in compliance with the License.
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.