Long term goal is to create a lightweight Pandas equivalent by and for the Rust community, but with slight differences in focus..."
https://docs.rs/black-jack/0.1.0/blackjack/
EDIT: That one looks like it's not being worked on actively. Here's a reddit thread with more ideas. Weld looks interesting.
https://www.reddit.com/r/rust/comments/apo66e/dataframes_wha...
https://www.weld.rs/
And Arrow looks like a new project Wes McKinney is contributing to.
http://arrow.apache.org/
