Pokecrew - Crowdsourced Pokemon Go map
Poke Radar - Discover the location of any Pokemon
PokeHuntr - PokeHuntr is a website that helps find and identify Pokemon while playing Pokemon Go.
PokeHunter - PokeHunter is a live scanner to help you find the pokemon you want, not just pidgeys and rattatas.
TypeDex - A comprehensive Pokémon type calculator and Pokédex
Pokemon Evolution Calculator - A simple tool to calculate a Pokemon's CP after it evolves