The default Horizon for stellar.org is getting buzzy. We need to start using others but we don't know were to find them. Well this is the beginning of a list to start collecting them. As I find them I will add them here.
https://horizon-live.stellar.org was default livenet this no longer works
https://horizon.stellar.org default livenet
https://horizon-testnet.stellar.org default testnet
https://api.gly.sh/ from Tyler van der Hoeven on slack @tyler
https://horizon-test.gly.sh from tyler van der on slack @tyler ; wasn't working on feb 28, 2018
https://xaviablaza.com:8000 from @xaviablaza on slack