When comparing Kuzzle vs Baasbox, the Slant community recommends Kuzzle for most people. In the question“What are the best alternatives to Firebase?” Kuzzle is ranked 3rd while Baasbox is ranked 6th. The most important reason people chose Kuzzle is:
Supports REST, WebSockets and MQ protocols.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Multiprotocol
Supports REST, WebSockets and MQ protocols.
Pro Realtime through filters
You do not connect to classic rooms but to search filters and can be warned of changes on permanent storage or volatile one.
Pro Open Source
Kuzzle is open source and it's released under the Apache 2 License.
Pro Javascript SDK
A fully documented javascript SDK exists.
Pro Easy to deploy
Deploying BaasBox is very simple, and the documentation on their site is very helpful and easy to understand.
Pro Self hosted and hosted options
You can choose to either download and install Baasbox on your own server, or use their hosted solution.
Cons
Con May have issues since it's stil la relatively young project
Kuzzle is (as of February 2nd, 2015) in alpha version and approaching beta.
Con No JavaScript SDK
The JavaScript SDK is not yet released although it should be available in the near future.
Con No longer maintained
Last commit is from 2015.