Great Dev Blogs
https://torbjornludvigsen.com/blog/
Understanding your printer better
https://github.com/AndrewEllis93/Print-Tuning-Guide
http://www.desiquintans.com/flowrate
Interesting Projects
https://www.appropedia.org/Recyclebot
Notable Products and Websites for Makers
OpenBuilds
ODrive
Teknic
Duet3D