The one that I remember feeling small/cozy is dvassalo's https://smallbets.com/ https://smallbets.com/. There is also https://microconf.com/ https://microconf.

The one that I remember feeling small/cozy is dvassalo's https://smallbets.com/ https://smallbets.com/. There is also https://microconf.com/ https://microconf.com/ for a long time.