hopefully that Preact exist.

you can use https://artillery.io/

oh i mis understood the question so here is your answer then https://github.com/developit/preact/wiki/Differences-to-React#whats-missing

react has a dedicated team at facebook assuring it's continuity

yes im aware but they said that they have relicensing problem and i doubt that they find a house inside an open source foundation :/ cause rethinkdb does not introduce any new data structure but it focus on optimizing the whole thing. that's really sad :/

Amazing database but the company is shutted down and the project future is not clear

i think you want something like this D3.js Gauge

i'm subscribed to this one This week in meteor

i really recommend this course who start from the basic javascript concept to the advanced ones with understandable analyses and explanation of how javascript compiler work under the hood. Understanding javascript the weird parts

tunisia 450$ <--> 1800$ / month