oteprimaries.org

Curated, not exhaustive

Resources

Organizations and tools we trust for registration, reform advocacy, and reference. We don't speak for any of them, and they don't speak for us.

Open primaries reform

Open Primaries

National advocacy organization tracking open-primary rules and reform efforts state by state.

Unite America

Research and advocacy on primary reform and nonpartisan election structures.

FairVote

Research on ranked-choice voting and top-four/top-two primary systems.

Registration and voting tools

Vote.org

Register to vote, check registration status, and find polling places.

NASS #CanIVote

The National Association of Secretaries of State's official voter information hub.

Reference and tracking

Ballotpedia

Encyclopedic reference on primary types, candidates, and election law by state.

NCSL Elections & Campaigns

The National Conference of State Legislatures' primary-type and deadline research — a primary source for this site's state data.