IMAP's main downside is that you have to trust your email provider to not lose your email.

Although it is open-source, Snap on the other hand, only works with the Ubuntu Store. Nobody knows how to make a Snap Store and nobody can. The Snap client is designed to work with only one source, following a protocol which isn’t open, and using only one authentication system. Snapd is nothing on its own, it can only work with the Ubuntu Store.

A hosted Kit is the easiest way to add Font Awesome to your website. It's a collection of icons, styles, and settings that allows you to make changes and update versions without pushing code.

As a hosting service, it has no free plan and costs as a minimum US$ 100 / month (with 80% discount for educational resp. 50% for non-profit institutions.). But you can install Discourse yourself without cost on your server. Alternatively, you can pay a one-time fee of $99 for a cloud installation with a $10/month hosting fee. With the possibility to install it on your server, Discourse is another candidate to try out.

But it has as an external service several disadvantages which opposed the philosophy of static websites diametrically.