calendar-api
(2)
Nylas
Nylas is a San Francisco-based API platform that gives developers a single, secure way to plug email, calendar, and contacts into their apps - replacing months of provider-by-provider integration work with a few lines of code.
Christine Spang
Christine Spang is the co-founder of Nylas, the email, calendar, and contacts API platform that powers scheduling and communication features for thousands of developers and enterprises. A Debian contributor since age 15, MIT computer science alumna, and former Linux kernel engineer at Ksplice/Oracle, she built Nylas from a frustrated attempt to build a better email client into a company that raised $175M and became essential developer infrastructure. She served as Founder & CEO of Nylas through its Series C growth phase before transitioning to the Board of Directors in 2025.