UMongo, formerly JMongoBrowser, is a GUI app that can browse and administer a MongoDB cluster.
connect to a single server, a replica set, or a MongoS instance
DB ops: create, drop, authenticate, command, eval, …
Collection ops: create, rename, drop, find, insert, save, …
Document ops: update, duplicate, remove, …
Index ops: create, drop, …
Shard ops: enable sharding, add shard, shard collection, …
GUI Document builder
Import / Export data from database to local files in JSON, BSON, CSV format.
Support for query options and write concerns (getLastError)
Display of numerous stats (server status, db stats, replication info, etc)
Mongo tree refreshes to have a real time view of cluster (servers up/down, durability, etc)
All operations are executed in background to keep UI responsive
Background threads can repeat commands automatically
GUI is identical on all OS ... More Info »
Once GUI is up, just click file/connect and point it to MongoDB servers.