Following are the links to some of the interesting stuff (mostly for me) - both academic and non academic - that floats around in the world of INTERNET:
Monte Carlo Particle Numbering Scheme
Useful Links from Brazil
Useful Links from South Korea
Useful Links from Central NY
Physics Blogs
1. Résonaances - particle physics blog from Paris.
2. The Reference Frame - straight from Czech.
4. Backreaction - by Sabine Hossenfelder, a physicist from Sweden
5. Of Particular Significance - by Professor Matt Strassler
Physics notes from the internet
1. These notes were a lifesaver - Always handy when you forget all the generators in SU(N), and a good starting point for X and Y in SU(5)s
2. Collider Physics - Lecture notes on LHC Physics by Tilman Plehn , Collider Pheno by Tao Han
3. Wonderful introduction to particle physics - 75th Compton lectures by J. Marsano
On collaboration
Hardy and Littlewood's Four Axioms for Collaboration
Useful LaTex chat tool
And there are many more ...
Some non physics stuff
1. Kafila - a collaborative practice of radical political and media critique, and an engagement with the present.