I made a Slack reader/inbox that allows customizable categories / inboxes, message categorization with rules and/or Claude (optional), and fast keyboard navigation:

https://zmh.org/dispatch/

Also put together a directory of 31k+ personal websites, tagged with design keywords so they're searchable. As someone who loves personal sites, I think it's one of the more comprehensive list of indie / personal sites on the web:

https://zmh.org/personal-site-gallery/