It did for my needs. It's super-simple, yet you can choose to use it just via the weekly emails or the web interface. It's open source as well (in Python for A

It did for my needs. It's super-simple, yet you can choose to use it just via the weekly emails or the web interface. It's open source as well (in Python for App Engine): https://github.com/tedpower/snptz https://github.com/tedpower/snptz Looking at the code, I noticed it actually supports teams, a feature I've never used but that looks quite functional.