NOSQL mongo DB is very useful for beginners as it provides manipulated queries to retrieve data so any user can work on NOSQL DB without having deep knowledge to the operations of Mongo Db Database.

It allows you to transfer data from any database like Microsoft SQL or MYSQL like import tables. Review collected by and hosted on G2.com.

NoSQL Mongo Db is not an open source software it is bit expensive as compared to other DBMS. Review collected by and hosted on G2.com.

NoSQL Manager seems to be nice and useful tool to work with MongoDB. It has integrated shortcuts for Mongo's query language, so it may be useful for beginners of for those who want get data without deep MongoDB knowledge. NoSQL Manager works nice and smoothly and allows to connect any edition of MongoDB up to MongoDB Enterprise. Review collected by and hosted on G2.com.

It is a little bit expensive for non-commercial use. There are several tools on market with same functionality but free for personal use. But if you buy it for commercial use price is ok. Review collected by and hosted on G2.com.