Bitnodes

Listing of reachable nodes
Link: 
https://getaddr.bitnodes.io/
Category: 
Blockchain tools
Other
Tags: 
blockchain tools

Similar Links

BitNodes

Cheap managed node VPS hosting services for every crypto coin, with community support.
https://bitnodes.net/

CoinMap

Listing of real-world venue that accept Bitcoin.
http://coinmap.org/

CoinMarketCap

Crypto coin market cap rankings and other info.
http://coinmarketcap.com/