esteira-vagas reads its operator's own Gmail inbox, finds the messages that relate to job applications he has sent, and sorts them by what needs his attention first: an offer, a deadline about to expire, an interview invitation, a reply, a rejection.
It exists because a job search generates a lot of mail and almost none of it matters. Job alerts, newsletters and platform notifications bury the handful of messages that carry a deadline. This tool separates the two and shows only the second kind.
https://www.googleapis.com/auth/gmail.readonly.The full detail is in the privacy policy.
Only its operator. There is no sign-up, no account system, no public interface and no distribution. It runs as a command in a terminal against a single Google account.