-
Exercism - Scala Exercises
Crowd-sourced code mentorship. Practice having thoughtful conversations about code.
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
https://exercism.org/ is also decent to practice.
Advent of Code if you enjoy programming puzzles. Probably not a good idea if Rust is your first language, though.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.