How much of this is implemented right now? Looks like it’s just a pitch page to get email signups. Some features, like cross platform + fast performance, or off

How much of this is implemented right now? Looks like it’s just a pitch page to get email signups. Some features, like cross platform + fast performance, or offline mode + real time collaboration, are quite complex. It’s easy to say these things will be accomplished but quite different to actually accomplish all of this in a usable application. If you are the only developer, this is years worth of full-time work.