Oh nerds. A lot of technical thoughts 
Please allow me: 2 steps back.
What is the intent of the original question? Is it a general frustration with the lack of time between an app request and a Cloudron app release (like a child waiting for Christmas)? Is the intent to have more things to play with or to compete with other apps in the same category? Is there a real need for a missing "business related" app?
Are we really missing some applications? And if so, how could we get a clear overview of the missing categories? Do we really need a third or fourth web analytics or RSS reader app in the App Store? And if so, why? IMHO, the answer should not be: because we can.
How can we find out if an app from the app wish list is worth investing time to package it as a Cloudron app with all the benefits we need as a reliable app for our daily work?
To try out apps, I have a dedicated VPS for Docker containers. I usually follow the installation instructions in the Github repository and can usually try the app after a short time. My experience is: after a short time I run into some issues where I decide that reading the announcement and playing with the app contradicts my own expectations. But sometimes I like what I get. One of my recent discoveries was Gitpod. After spending more time with Gitpod, I realized that it's not a perfect fit for Cloudron because it's very dynamic (and resource hungry) when you share the new tool with your teammates. The same goes for BigBlueButton, which is on the app wish list, but it's not worth investing time in packaging.
For me, Cloudron massively reduces my personal time spent on business critical applications. Kind of a "fire and forget." To be fair, most of the time I spend on new applications is configuring the tool, documenting it, and explaining it to my teammates. Once that's done, I forget about it until the next major release comes out, and I have to invest time to get an idea of the new features. But all that crap about updates, backups, reliability .... That's why I decided to subscribe (to pay people for their work).
Have you ever looked into a random docker.hub image? Have you ever looked into updating a random image? In my opinion, sometimes things go wrong, and sometimes they don't. So I know that mission-critical apps take time to understand, plan, and maintain. With that in mind, I've decided not to put some "cool new kid" on the app wish list. I invest time to get an idea of whether the app is worth investing time to package as a Cloudron app.
Maybe we should create a new forum category "cool new kids" where we can showcase new apps we've heard about. From there, we can invest some time (as a community) to find out if the app is worth investing time to package as a business critical app (aka Cloudron app) 
