What's on the Ballot?

For NYC:

Who is on the Ballot - Who’s on the Ballot is a quick and easy to use website and mobile app that provides New York City citizens the location of polling places, information on candidates, sample ballots, and voter registration information. The project is based on the simple fact that the more informed we are, the more likely we are to participate in elections. Our mission is to provide voters with the tools they need to make an informed choice on Election Day. Who’s on the Ballot is a not-for-profit project of the School of International and Public Affairs at Columbia University.

Other states and localities: 

Ballotpedia - Ballotpedia is the digital encyclopedia of American politics, featuring detailed guides to the 2024 election and a Sample Ballot Lookup Tool, among many other helpful resources. Ballotpedia the nation’s premier resource for unbiased information on elections, politics, and policy. We provide our readers curated content on all levels of U.S. politics that is relevant, reliable, and available for all. In addition, Ballotpedia’s policy content and assets are a gateway to learning about public policy and an unparalleled resource for clear, comprehensive, and factual information on key policy areas. We are firmly committed to neutrality in all our content.

Also, Vote.org provides everything you need to vote in state elections