Another news for those who like JSON format, there's JSON1 extension for SQLite, this is a great news for those who only need embedded database for their app. Their functions are similar to PostgreSQL's JSON/JSONBfunctions. On other hand, there's already a lot of BSON solution in NoSQL world, such as the infamous MongoDB (and TokuMX) RethinkDB, ArangoDB (SQL-like syntax), PouchDB (Javascript version of CouchDB), SequoiaDB, DjonDB, etc. For more information about those databases, see the video below.
SQLite 3 Tutorial
PostgreSQL 9.4's JSONB
What's new in MongoDB 3
Fractal Tree Index (TokuMX)
RethinkDB
ArangoDB
EDIT Hey, apparently there are also JSON data type support in MySQL 5.7.8 (2015-08-03, Release Candidate).