Cal.com OSS sponsorship (sponsored team plan)
Sponsored (free) access to Cal.com's paid team offering for open source projects (applicants provide their Cal.com team slug); exact plan tier is not specified on the page. In exchange the project must display a "Book us with Cal.com" banner in its footer and README with UTM-tagged links.
Eligibility: for the project; Project must be open source and non-commercial, or a commercial open source company with less than $2M ARR; must explain why the generic free tier / self-hosted open core is insufficient. Limited openings per month; requests reviewed monthly at Cal.com's discretion.
How to apply: Email peer@cal.com with project description, confirmation of criteria, why the free tier is insufficient, your Cal.com team slug, and a link to the repository.
last verified 2026-07-07