-
-
-
InfluxDB
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.
https://github.com/BNYMellon/spring-kata has a great Spring kata. The Spring Boot kata is not as polished, but pretty good as well.
Use Spring Initializr to download a new project with Spring Web as your only dependency. Look up a tutorial on creating your first rest controller in spring boot. Run your Java app and use Postman or some other tool of your choice to send requests to your controller.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.