NodeChef is probably the most advanced offering right now for fully managed Parse Server, just like the popular Parse.com. You may want to include it in your article.
Creating a Letsencrypt certificate manually could be quite a pain so its nice to see most of it automated. We should see many Node.js host that automate the SSL certificate creation and installation process for their customers.
JackDB from what I see does not store your data. They provide a browser based tool to connect to your SQL databases. Amisalabs platform on the other hand is a DBaaS where you can store any kind of data and run any kind of queries.
Mongodb has marketed the database as a general purpose one when in reality it doesn't even come close to one. And the case is the same for all other NoSQL systems. No More general purpose database? The developers at http://www.amisalabs.com are tackling today's database problems.
I don't need to see source code to use a software. Maybe I need to see source code to get some ideas to help me with my own software I'm building that I'm having problems with.
Working on a distributed document database. It's cool as it integrates a search and analytics engine, distributed file system and query language like SQL. Will be the first ever and will solve all database problems for the most part.
https://nodechef.com/parse-server