Here are 13 BP Voting Recommendations:
BitSpace
https://steemit.com/eos/@bitspace/how-to-cast-your-eos-votes
Cleos, Scatter
Eos Canada
https://steemit.com/eos/@eos-canada/everything-you-need-to-know-about-voting-on-eos
(built Eossc), Cleos
Eosys
https://steemit.com/eos/@eosys/an-eos-voting-method-so-simple-anyone-could-do-it-2-voting
Scatter (built eosportal)
Eos New York
https://steemit.com/eos/@eosnewyork/your-vote-matters-4-how-to-vote-on-the-eos-mainnet
Scatter
Eos Rio
https://steemit.com/eos/@eostribe/simple-voting-for-block-producers-using-simpleos
Simpleos
Eoseoul
https://steemit.com/en/@eoseoul/vote-campaign-eoseoul-voting-portal
Eosseoul voting portal
Block Liberty
https://steemit.com/eos/@blockliberty/how-to-vote-for-your-favorite-eos-block-producer-using-scatter
Scatter
Eos Nation
https://steemit.com/eos/@eosnation/how-to-vote-for-eos-nation
Eossc, Cleos
Cryptolions
https://steemit.com/eos/@cryptolions/eos-voting-opions
Greymass, Scatter
Eos Cafe
https://steemit.com/eos/@eoscafe/eos-voting-how-to-vote-in-less-than-90-seconds
Greymass
Eos Socal
https://steemit.com/eosio/@eos-socal/vote-now-for-eosio-block-producers-here-s-how-eos-socal
Cleos
Cypherglass
https://steemit.com/eos/@cypherglass/the-best-way-to-vote-for-eos-block-producers
Tokenika
Tokenika
https://steemit.com/eos/@tokenika/off-line-voting-tool-for-eos-block-production
Tokenika (built the tool)