@redox, a whole OS written in #Rust, has an awesome mission statement, as @soller presented at this year's @rustconf:

"#𝖱𝖾𝖽𝗈𝗑 𝗐𝗂𝗅𝗅 𝗉𝗋𝗈𝗏𝗂𝖽𝖾 𝖺 𝗆𝗈𝗋𝖾 #𝗌𝖾𝖼𝗎𝗋𝖾 𝖺𝗇𝖽 𝗋𝖾𝗅𝗂𝖺𝖻𝗅𝖾 𝖺𝗅𝗍𝖾𝗋𝗇𝖺𝗍𝗂𝗏𝖾 𝗍o #𝖫𝗂𝗇𝗎𝗑 𝖺𝗇𝖽 #𝖡𝖲𝖣, 𝗂𝗇 #𝖼𝗅𝗈𝗎𝖽, #edge, and #desktop use cases."

https://www.youtube.com/watch?v=xlccq9EbXGA

For a full introduction, check out the Redox OS book:
https://doc.redox-os.org/book/introducing-redox.html