Spring Data REST makes a good HATEOAS JSON REST api for you, somewhat automatically.
Spring Data JPA alleviates the drudge of writing your DAO layer.
Spring 4.2 does websockets and server-sent events nicely.
PostgreSQL 9.5 (out soon). Regular JDBC driver for regular stuff, but try the pgjdbc-ng driver to listen to NOTIFYs.
Spring Data REST makes a good HATEOAS JSON REST api for you, somewhat automatically.
Spring Data JPA alleviates the drudge of writing your DAO layer.
Spring 4.2 does websockets and server-sent events nicely.
PostgreSQL 9.5 (out soon). Regular JDBC driver for regular stuff, but try the pgjdbc-ng driver to listen to NOTIFYs.