# Open Source

If you have created (or know of) an open source library or product that uses 
Serverless Workflow, please include it in the list below.

- [workflow-api](https://github.com/serverless-workflow/workflow-api): Java based api/spi of the Serverless Workflow specification. Adds POJO generation from specification JSON schema.
- [workflow-impl](https://github.com/serverless-workflow/workflow-impl): Java based impl of the Serverless Workflow specification. Adds support for YAML format, validation, expression evaluation, and property context.
- [workflow-linter-cli](https://github.com/serverless-workflow/workflow-linter-cli): SpringBoot based command-line linter for serverless workflow specification. Allows to run validation (both schema and model) against json and yaml files containing workflow markup.
- [Serverless Workflow JSON Schema VSCode](https://marketplace.visualstudio.com/items?itemName=tsurdilovic.workflow-schema-vscode): Visual Studio Code extension that adds coding support for serverless workflow markup.
