Review Box
Over the last year, I've been working on Review Box https://review-box.rstankov.com/ on the side. It is a tool to help me with GitHub Pull Requests. It has an integrated dashboard for what to review, integrated symbol understanding, a clear split of reviewed/unreviewed files, and a result diff view (which shows me only how files are going to look in the end). I'm almost not opening Github these days.