- https://github.com/xeipuuv/gojsonschema last commit October 2020, 2,000 stars, ~500 commits, started 7 years ago red flag: not actively maintained
- https://github.com/santhosh-tekuri/jsonschema last commit November 2021 ~800 stars with an emphasis on error readability, ~400 commits, started 5 years ago
- https://github.com/qri-io/jsonschema last commit August 2021 ~300 stars, ~80 commits, started 4 years ago, red flag: very little test and documentation, no mention of error handling