Instead of Teamup
Teamup alternatives
Teamup Calendar organizes group schedules, resources, and operations in the cloud. It offers 12 calendar views, nine permission levels, and link sharing without user accounts. Events support custom fields, images, attachments, and stand-alone pages. Integrations include an API, iCalendar feeds, Slack, Microsoft Teams, Trello, and Zapier. A free plan is available, while paid access starts at $12 per month billed yearly and includes a three-day trial. Teamup runs on web, Android, iOS, and API connections, with shared calendars and time blocking.
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Mozilla Thunderbird
by Mozilla ThunderbirdFree plan Open source AndroidLinuxMac+1Free, open-source desktop calendar and inbox — Thunderbird is a free open-source desktop app with offline access, scheduled sending, unified inbox, and calendar tools, rather than Teamup’s group calendar focus.
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Microsoft Outlook Calendar
by Microsoft Outlook CalendarFree plan AndroidiPhoneMac+1Outlook users needing email, calendar, and meetings — Outlook adds email, video meeting support, and desktop access alongside calendars, while Teamup emphasizes shared scheduling and resource coordination.
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Tuta Calendar
by Tuta CalendarFree plan AndroidiPhoneLinux+3Appointments and repeating tasks across many platforms — Tuta Calendar centers on appointments, business meetings, and repeating tasks across six platform types, while Teamup offers richer group-calendar controls.
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EGroupware
by EGroupwareFree plan Open source AndroidAPIiPhone+5Open-source shared calendars with two-way sync — EGroupware provides two-way calendar sync and video meetings but no mobile apps, unlike Teamup’s one-way sync and Android/iOS apps.
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Zoho Calendar
by Zoho CalendarFree plan AndroidiPhoneWebFree scheduling links and two-way calendar sync — Zoho Calendar adds scheduling links, two-way sync, time blocking, and video meetings, while Teamup offers more access levels and event details.
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Proton Calendar
by Proton CalendarFree plan AndroidiPhoneMobile calendar with scheduling links and meetings — Proton Calendar offers scheduling links and video meetings on Android and iOS, but Teamup provides web access, API connections, and broader calendar controls.
Free plan Visit site - 8
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Structured
Free plan AndroidiPhoneMac+1 - 12
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Fantastical
Free plan iPhoneMacWindows - 17
FlowSavvy
Free plan AndroidiPhoneWeb - 18
Amie
Free plan APIExtensioniPhone+3 - 19
Vimcal
Free plan iPhoneMacWeb+1 - 20
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Informant
Free plan AndroidExtensioniPhone+2
Readers may look elsewhere when they need two-way synchronization, more personal-calendar emphasis, different desktop coverage, or built-in meetings and scheduling links. Teamup’s calendar sync is one-way, private-server hosting is unavailable, and its free tier allows five sub-calendars and five users. Paid plans increase capacity and storage at higher prices. Compare each alternative’s platforms, collaboration tools, sync direction, mobile support, and cost against Teamup’s access controls, event details, integrations, and plan limits.