I don't know about "best". But here's some I always check in on: Jessie Frazelle: https://blog.jessfraz.com/ https://blog.jessfraz.com/ Joshua Stein: https://

I don't know about "best". But here's some I always check in on: Jessie Frazelle: https://blog.jessfraz.com/ https://blog.jessfraz.com/ Joshua Stein: https://jcs.org/ https://jcs.org/ Jim Fisher: https://jameshfisher.com/ https://jameshfisher.com/ (I just noticed they all have first names starting with 'J', weird coincidence, right?).