https://vask.dev - websockets - Pusher alternative. It's Pusher compatible, but way cheaper and powered by Cloudflare.

https://tailstats.com - display data on almost any device (ios,android,macos).I've build this for myself so I don't have to build dashboards or mini-one-purpose-apps and clog menubar/workspace. It also works with AI agents via API and MCP so agents can create interactive cards.