Seamlessly switched from react to infernojs[0] a year ago. The only difference is that the apps are way faster now in infernojs while providing me with more optimization options as jsx properties[1]. Also their support channel in slack is great[2].

[0] https://github.com/infernojs/inferno

[1] https://infernojs.org/docs/guides/optimisations

[2] http://infernojs.slack.com