Usually having a cryptominer take over your browser happens if you are compromised by malware. This browser is a purpose built cryptominer, but for your own bitcoins apparently. I cannot help but wonder if just a little bit of this is siphoned off to the creators.
Sync All Your Calendars. Schedule With Ease. – CalendarBridge
sync O365 or outlook with google calendar
Responsive web design tool, CMS, and hosting platform | Webflow
Alternative to Squarespace