If you look at some quite active meteor open source repos with a non-trivial size, you may also see that meteor is still alive and kicking. ;-)

* WeKan - FOSS Trello clone https://github.com/wekan/wekan

* Rocket.Chat - FOSS Slack clone https://github.com/RocketChat/Rocket.Chat

* Vulcan - React, GraphQL & Meteor toolkit https://github.com/vulcanjs/vulcan

* 4Minitz - FOSS Collaborative Meeting Minutes and Protocols WebApp https://github.com/4minitz/4minitz & https://www.4minitz.com/

Disclaimer: I'm one of the contributors of 4Minitz. ;-)