JMongo is a DB management tool, which is a client of (http://www.mongodb.org/) MongoDB.

JMongo is made in Java Swing, you can start without having chosen the environment.
The BSON object is indicated by Tree and edit, an addition, and deletion are possible.
In addition, to add or remove files in GridFS is easily.

■github
https://github.com/moremagic/JMongo

■Download
https://docs.google.com/open?id=0B7Y1mRlEYX8tRm5kQm1mRU01ODg


Please try using all means.
Please tell us the impression!