Arianespace has spent years developing new rocket engines specifically for reusability, and has started building prototype rockets.
Bezos’ company has mastered landing, and is directly building their mars rocket.
In 5 years we’ll likely see at least 3 major companies up there with SpaceX, and true competition in space.
Moreover, there's lots of companies in every vertical needed for bootstrapping the industry - ground services, satellites, in-space manufacturing, asteroid prospecting & mining... all in the early stage, all betting on cheaper access to space than it was just few years ago. We're in a critical moment where things suddenly start adding up and - I hope - will form something great!
It rather looks as if the tail-landing reusable booster stage is a "steam engine" type of eureka form factor, and everyone's going to be doing it. Yay!
I've almost lost hope around the end of the Space Shuttle program. I thought it will be only satellites, ISS and occasional science probe launches. SpaceX single-handedly restored my faith in the future of space activities again, and with other player on the scene, we now have realistic hope of seeing an actual industry in space within our lifetimes.