- HAproxy — high availability proxy, cf Varnish.
- Opera Reviews SPDY — thoughts on the high-performance HTTP++ from a team with experience implementing their own protocols. Section 2 makes a good intro to the features of SPDY if you’ve not been keeping up.
- Jetpants — Tumblr’s automation toolkit for handling monstrously large MySQL database topologies. (via Hacker News)
- LeakedIn — check if your LinkedIn password was leaked. Chris Shiflett had this site up before LinkedIn had publicly admitted the leak.