For vendors

AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements

Vendor dashboard

No. 134of 197 ·Calendar apps

Killendar

Windows

Visit site Alternatives

Freedom report

Two barsScore 5.9

Free tierA free tier is on its own pricing page
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Killendar is ranked #134 of 197 in calendar apps on Freedom251. It runs on Windows. There is a free plan.

Killendar plans and pricing

Free Free Windows calendar · Optional password encryption · No account or subscription · GPLv3 open-source software killendar.net · 22 Sept 2026

Compared on calendar apps

Free plan: Yes
Shared calendars: No
Scheduling links: No
Calendar sync: none
Mobile apps: none

Best Killendar alternatives

Three bars Mozilla Thunderbird Free tierOpen source No. 1Free9.0 Two bars Microsoft Outlook Calendar Free tier No. 2$1.67/mo8.2 Two bars Lark Free tier No. 3Free8.2 Two bars EGroupware Open source No. 4€21.90/mo8.2 One bar Proton Calendar Free tier No. 5Free8.0 Two bars Teamup Free tier No. 6$12/mo8.0