Thunderbird
Used by 27 peoplethunderbird.net ↗

“I'm on Thunderbird mostly for mail.”
Kathy Reid Interview, Linguistic Engineer · via Uses This 
“I use Thunderbird as an email and calendar client.”
Robert W Gehl Interview, Professor (Communication and Media Studies) · via Uses This 
“And I use Mozilla Thunderbird for my desktop email client because it's great.”
Evan Prodromou Interview, Developer, founder (fuzzy.io, Wikitravel, Identi.ca) · via Uses This 
“For email I use Thunderbird because I like to have my email near me, where I can keep an eye on it, instead of up in the cloud.”
Erin McKean Interview, Founder of Wordnik · via Uses This 
“I spend 10% of my time in Thunderbird, for email.”
Steve Klabnik Interview, Software developer · via Uses This 
“For email I use Thunderbird with the Nostalgy extension.”
Andrei Alexandrescu Interview, Research scientist (Facebook) · via Uses This 
“I live in my email client, Thunderbird.”
Misha Glouberman Interview, Teacher, improviser · via Uses This 
“I use Thunderbird 2.0 for email -- yes, I still download all of my email to my laptop.”
Colin Percival Interview, Developer, security officer (FreeBSD) · via Uses This