In 2012, Thunderbird was pronounced dead. What happened next unfolded like a fairytale, as the Thunderbird project roared back to life on the shoulders of an incredibly generous community. Fast-forward to the end of 2022, and Thunderbird raised an astounding $6.4 million in donations. Within the last 3 years, it experienced a 326% revenue increase, quadrupled its core team, visually overhauled the desktop application, and announced plans to expand to Android and iOS. But how did this happen? More importantly, can your open source project use Thunderbird's experience as a template for success and sustainability? You absolutely can. Join us to find out how!