shouldiselfhost?they tell you if you can — we tell you if you should
THE DECISION LAYER FOR SELF-HOSTING100 APPS UNDER COVERAGEPROTOCOL v1NO VENDOR HAS EVER PAID FOR A RATING
RECENT ACTIONS 1PASSWORDNOT REALLY·ACTIVECAMPAIGNKINDA·ACUITY SCHEDULINGYES·ADOBE ACROBATYES·ADOBE LIGHTROOMNOT REALLY·AIRTABLEYES·AMPLITUDEYES·ANYLISTNOT REALLY·ASANAKINDA
OSS
OPEN SOURCE
Cal.com logo

Cal.com

Send someone a link, they pick a slot, the invite lands in both calendars, and none of it runs on a domain you are renting.

calcom/cal.diy · ★ 47,409 · last commit 2d ago · AGPL-3.0 · needs 4096 MB RAM · runs on ARM (Pi-friendly)
Cal.com running from the boot-verified compose file
Cal.com, running from the compose file on this page — screenshot from our verified instance, not marketing material.
01
REPLACES
One tool, 3 subscriptions

The same server can serve several escape hatches — that's how a $5 VPS beats a $50 SaaS bill.

Acuity Scheduling logoAcuity Scheduling$20/moYESCalendly logoCalendly$12/moKINDADoodle logoDoodle$10.95/moYES