Zenodo.org is a data archive based at CERN which is popularly used to archive and provide DOIs to academic software from GitHub, as described in the official GitHub guide to Making your code citable.

Property Zenodo
codeRepository related_identifiers.isSupplementTo
applicationCategory communities
downloadUrl related_identifiers.isIdenticalTo
author creators
datePublished publication_date
funder contributors.Funder
keywords keywords
license license
version version
description description
identifier id
name title
affiliation affiliation
identifier ORCID
name name
funding grants
issueTracker related_identifiers.isSupplementedBy