F#

Videos

fsharpConf 2018 (videos) https://www.youtube.com/playlist?list=PLlrxD0HtieHhEkeYu1bZelX_aJqvs6Qw4
Build your own Excel 365 in an hour with F# - Tomas Petricek https://www.youtube.com/watch?v=Bnm71YEt_lI

Tools and Libraries

FsToolkit.ErrorHandling — utility library to work with Result type in F# to do error handling https://demystifyfp.gitbook.io/fstoolkit-errorhandling/