Pokecrew - Crowdsourced Pokemon Go map
PokeHuntr - PokeHuntr is a website that helps find and identify Pokemon while playing Pokemon Go.
Poke Radar - Discover the location of any Pokemon
PokemonGo-Map - PokemonGo Map is a web-based tool that helps you quickly locate all the nearby Pokemon on the map.
PokeFind.io - Find and share where Pokémon are around you!
PokeHunter - PokeHunter is a live scanner to help you find the pokemon you want, not just pidgeys and rattatas.