GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Vote.org - Everything you need to vote
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Voatz - Online voting secured by the blockchain
Codekeeper - Source code escrow for developers
Vote Absentee - A guide to absentee voting in the 2018 midterm elections.