NoSQL refers to a family of software products that deal with open source non-relational data stores. CouchDB is a document-oriented database written in Erlang. It is a NoSQL solution developed to scale vertically among a wide range of devices. MongoDB is also a schema-free document-oriented database written using C++. If you need help developing for or working with NoSQL CouchDB/MongoDB then you can hire freelancers for the same. Start by posting a job today!