Analytics
PostHog
Requify uses PostHog to record anonymous site analytics, user events, application logs (error tracking), and optional surveys to registered users.
PostHog is an open-source, privacy-focused web analytics tool and respects user anonymosity.
Plunk
Requify uses Plunk to send emails, and Plunk handles tracking whether the email link was clicked or not.
Plunk is a privacy-aware email service and is open-source.