Perks for open source

57 perks · 55 vendors

Cal.com OSS sponsorship

Cal.com · Free paid plan · checked Nov 12, 2026 yesterday

Cal.com sponsors a limited number of open source projects each month with free access, in exchange for a README banner.

What you get
Free scheduling, reviewed monthly
Amount
No dollar amount stated
Window
RollingRequests reviewed each month
For
For the project
Lasts
No end date
Openings
Limited each month
Needs
"Book us with Cal.com" banner in the README
Who can get it
Non-commercial projects, or commercial open source companies under $2M in ARR.
Please note that we have a limited number of openings for OSS sponsorships each month.
From cal.com , checked Nov 12, 2026.

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