Identify your Convertkit subscribers from within Gmail!
Can't rate it as it doesn't work.
Please make it possible to update subscriber data from within the pannel. Also, knowing which segments they are in would be useful.
Doesn't work any longer unfortunately (Jun 2019)
http://www.socialexponent.com/
General Systems Corporation
https://getmailtracker.com
https://www.account-kit.com/
https://coldlead.io
gordalina
Tauro Software
https://www.pingojo.com/
https://inboundscout.com
