This is a list mainly for myself (as here), but feel fre to use it. Note that order is semi-random (may be a bit chronological 😛 ), so do not judge if site is worth visiting just on it’s position.

Start here: (this one is for sure worth visiting if you use Excel to work, not just to play with).


Blogs/Personal sites:

To read or to refer to. My bookmarks 🙂