Ecosyste.ms: Packages
An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.
repo1.maven.org "validator-badge" keyword
io.swagger.validator.v3:swagger-validator 2.1.5
Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/12 versions - Latest release: 2 months ago - 196 stars on GitHub