Commerce · alternatives · 2026

24 alternatives to Kalendarius

European, GDPR-native scheduling alternative to Calendly

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Kalendar.work▲336
A free fully featured Calendly alternative
Jan 2026 · kalendar.work · its alternatives →
2
Kalendis – Scheduling API (keep your UI, we handle timezones/DST)▲18
Kalendis is an API-first scheduling backend. You keep your UI; we handle the gnarly parts (recurrence, time zones, DST, conflict-safe bookings). What it does: • MCP tool: generates typed clients and API route handlers (Next.js/Express/Fastify/Nest) so you can scaffold calls straight from your IDE/agent tooling. • Availability engine: recurring rules + one-off exceptions/blackouts, returned in a clean, queryable shape. • Bookings: conflict-safe endpoints for creating/updating/canceling slots. Why we built it: We kept rebuilding the same "hard parts" of…
Nov 2025 · kalendis.dev · its alternatives →
3
Kalendar 1.0 Is Out▲29
You might have noticed that there have been a lot of KDE releases this week, like Plasma 5.24 and Plasma Mobile Gear. Keen to hop onto this train, those of us in the Kalendar team are happy to reveal Kalendar version 1.0. We are even happier to announce that this will be the final version of Kalenda
2022 · claudiocambra.com · its alternatives →
4
Calendly▲271
Simple, beautiful scheduling
2014 · calendly.com · its alternatives →
5
Sunsama▲999
If Trello & Google Calendar had a baby.
2018 · sunsama.com · its alternatives →
6
Calendly for Chrome▲250
Schedule meetings without leaving your inbox
2018 · calendly.com · its alternatives →
7
Booking.js by Timekit▲535
Make a beautiful embeddable booking widget in minutes.
2015 · timekit.io · its alternatives →
8
Cal.com Companion Apps▲635
Native iOS & Android App + Browser Extensions for scheduling
Jan 2026 · cal.com · its alternatives →
9
Daybridge Private Alpha▲512
A calendar built for people, not companies.
2021 · daybridge.com · its alternatives →
10
Kalendar AI▲169
Book new revenue on autopilot with AI
2021 · its alternatives →
11
zcal▲481
The free Calendly alternative that makes scheduling personal
2021 · zcal.co · its alternatives →
12
Kalënder 2022▲150
Minimal and printable 2022 calendar.
2022 · its alternatives →
13
Recal.dev▲365
Resend, but for Calendar & Scheduling. API. SDK. MCP.
2025 · recal.dev · its alternatives →
14
Callum▲261
AI calendar assistant for teams – supercharge your calendar
Jan 2026 · getcallum.com · its alternatives →
15
Kalënder 2023▲153
Free minimal and printable 2023 calendar
2022 · unwrapped.gumroad.com · its alternatives →
16
Drylendar▲232
Track drinks to create a motivating calendar day after day!
Jan 2026 · drylendar.com · its alternatives →
17
Calendly 2.0▲197
Easily schedule meetings without the back-and-forth emails
2021 · calendly.com · its alternatives →
18
Harmonizely▲92
Schedule meetings without exchanging unnecessary emails!
2018 · its alternatives →
19
Koalendar▲131
Free online appointment scheduling software
2021 · koalendar.com · its alternatives →
20
SavvyCal for iCloud▲293
Scheduling links for iCloud, plus Google, Outlook, Fastmail
2021 · savvycal.com · its alternatives →
21CR
Calenday, real-time collaborative calendars for trip planning▲207
2022 · calenday.co · its alternatives →
22
The New Calendly▲211
Handle all of the work before, during, and after meetings
Aug 2026 · calendly.com · its alternatives →
23
Kalendra▲13
Scheduling that just works
2025 · kalendra.cloud · its alternatives →
24
Drylendar▲114
The alcohol calendar iOS app for a healthier & sober life
2023 · apps.apple.com · its alternatives →

Also compare

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →