https://www.keeper.sh/blog Product updates, engineering deep-dives, and calendar syncing tips from the Keeper.sh team. en Wed, 12 Aug 2026 00:00:00 GMT https://www.keeper.sh/blog/best-calendar-sync-tools https://www.keeper.sh/blog/best-calendar-sync-tools One is free forever, $5 flat at any number of calendars, and open source. Nine calendar sync tools compared on price, privacy defaults and what survives the vendor. Every figure verified 11 August 2026. Tue, 11 Aug 2026 00:00:00 GMT calendar sync comparison privacy https://www.keeper.sh/blog/how-calendar-sync-actually-works https://www.keeper.sh/blog/how-calendar-sync-actually-works What a calendar sync engine has to do: incremental syncs, 410 GONE resyncs, deduplication, loop prevention, recurrence exceptions, timezones, deletions. Tue, 11 Aug 2026 00:00:00 GMT calendar sync caldav engineering https://www.keeper.sh/blog/how-to-sync-google-calendar-with-outlook https://www.keeper.sh/blog/how-to-sync-google-calendar-with-outlook A step-by-step guide to making your Google Calendar events appear in Outlook as busy time, so colleagues stop booking over your personal commitments. Tue, 11 Aug 2026 00:00:00 GMT google-calendar outlook how-to calendar-sync https://www.keeper.sh/blog/how-to-sync-outlook-calendar-with-google-calendar https://www.keeper.sh/blog/how-to-sync-outlook-calendar-with-google-calendar A step-by-step guide to getting your work Outlook schedule into Google Calendar, including what your household sees and how to keep meeting titles at work. Tue, 11 Aug 2026 00:00:00 GMT outlook google-calendar how-to calendar-sync https://www.keeper.sh/blog/keeper-sh-vs-calendarbridge https://www.keeper.sh/blog/keeper-sh-vs-calendarbridge Eight calendars costs $40 a month on CalendarBridge and $5 on Keeper.sh. What each one connects, how fast changes land, and where CalendarBridge is still the right call. Tue, 11 Aug 2026 00:00:00 GMT calendar comparison sync calendarbridge https://www.keeper.sh/blog/keeper-sh-vs-kalender-sync https://www.keeper.sh/blog/keeper-sh-vs-kalender-sync Keeper.sh and Kalender Sync compared for calendar sync: the AVV and EU contracting entity, Sharings, German email providers, update speed, pricing and self-hosting, with a link behind every figure. Tue, 11 Aug 2026 00:00:00 GMT calendar sync comparison https://www.keeper.sh/blog/keeper-sh-vs-morgen https://www.keeper.sh/blog/keeper-sh-vs-morgen Keeper.sh and Morgen compared for blocking time across work and personal calendars: how often each one writes, where your calendar data lives, and native apps. Tue, 11 Aug 2026 00:00:00 GMT comparison morgen calendar sync https://www.keeper.sh/blog/keeper-sh-vs-onecal https://www.keeper.sh/blog/keeper-sh-vs-onecal Keeper.sh and OneCal both stop you double-booking. Which calendars each one connects, how fast changes land, what each costs, and who each one suits. Tue, 11 Aug 2026 00:00:00 GMT calendar comparison sync onecal https://www.keeper.sh/blog/keeper-sh-vs-reclaim-ai https://www.keeper.sh/blog/keeper-sh-vs-reclaim-ai Keeper.sh and Reclaim.ai compared for keeping work and personal calendars in sync: which calendars each one reaches, how fast copies land, and what each costs. Tue, 11 Aug 2026 00:00:00 GMT comparison reclaim calendar sync https://www.keeper.sh/blog/keeper-sh-vs-syncdate https://www.keeper.sh/blog/keeper-sh-vs-syncdate Keeper.sh and SyncDate compared for calendar sync: update speed, price, supported calendars, open source and self-hosting, agent tools, and who each one suits, with a link behind every figure. Tue, 11 Aug 2026 00:00:00 GMT calendar sync comparison https://www.keeper.sh/blog/keeper-sh-vs-syncthemcalendars https://www.keeper.sh/blog/keeper-sh-vs-syncthemcalendars Keeper.sh and SyncThemCalendars compared for calendar sync: two-way setup, update speed, pricing by sync count, supported calendars, languages, open source and self-hosting, with a link behind every figure. Tue, 11 Aug 2026 00:00:00 GMT calendar sync comparison https://www.keeper.sh/blog/open-source-calendar-sync https://www.keeper.sh/blog/open-source-calendar-sync The self-hostable projects people reach for when they want calendars in sync, grouped by what they actually do, with licences and release dates taken from each project's own repository. Tue, 11 Aug 2026 00:00:00 GMT open-source self-hosting caldav sync https://www.keeper.sh/blog/sync-fastmail-calendar-with-google-calendar https://www.keeper.sh/blog/sync-fastmail-calendar-with-google-calendar Put your Fastmail events on your Google calendar so nobody books over them. Covers the Fastmail app password, both connection screens, how much detail crosses over, and what never does. Tue, 11 Aug 2026 00:00:00 GMT fastmail google-calendar sync calendar https://www.keeper.sh/blog/sync-fastmail-calendar-with-outlook https://www.keeper.sh/blog/sync-fastmail-calendar-with-outlook Get your Fastmail events showing up in Outlook or Microsoft 365 with Keeper.sh: the app password to make, what to click, and who can see your event titles. Tue, 11 Aug 2026 00:00:00 GMT fastmail outlook microsoft-365 sync https://www.keeper.sh/blog/sync-google-calendar-with-icloud https://www.keeper.sh/blog/sync-google-calendar-with-icloud Get your Google Calendar meetings onto your iPhone, Apple Watch and Mac by syncing them into iCloud with Keeper.sh. Real meeting titles, the exact setup screens, and what your colleagues see. Tue, 11 Aug 2026 00:00:00 GMT google-calendar icloud apple-calendar sync guides https://www.keeper.sh/blog/sync-icloud-calendar-with-google-calendar https://www.keeper.sh/blog/sync-icloud-calendar-with-google-calendar Get your iCloud events showing up on Google Calendar with Keeper.sh: the Apple password you need, what to click, and who can see your event titles. Tue, 11 Aug 2026 00:00:00 GMT icloud apple-calendar google-calendar sync https://www.keeper.sh/blog/sync-icloud-calendar-with-outlook https://www.keeper.sh/blog/sync-icloud-calendar-with-outlook Connect your iCloud calendar to Outlook with Keeper.sh so personal commitments block time at work. Covers the Apple app-specific password and exactly how little your coworkers see. Tue, 11 Aug 2026 00:00:00 GMT icloud apple-calendar outlook sync guides https://www.keeper.sh/blog/sync-nextcloud-calendar-with-google-calendar https://www.keeper.sh/blog/sync-nextcloud-calendar-with-google-calendar Copy events between a Nextcloud calendar and Google Calendar with Keeper.sh: what to click, who can see your event titles, and how fast changes land. Tue, 11 Aug 2026 00:00:00 GMT nextcloud google-calendar sync self-hosting https://www.keeper.sh/blog/sync-nextcloud-calendar-with-outlook https://www.keeper.sh/blog/sync-nextcloud-calendar-with-outlook Get your Nextcloud events onto an Outlook or Microsoft 365 calendar. Covers the URL to paste, app passwords and two-factor, tenant consent, how much detail crosses over, and what never does. Tue, 11 Aug 2026 00:00:00 GMT nextcloud outlook sync calendar self-hosting https://www.keeper.sh/blog/sync-radicale-with-icloud-calendar https://www.keeper.sh/blog/sync-radicale-with-icloud-calendar Connect a self-hosted Radicale calendar server to iCloud with Keeper.sh: server addresses, the private-network setting that catches self-hosters, and what the copies look like. Tue, 11 Aug 2026 00:00:00 GMT radicale icloud self-hosting sync https://www.keeper.sh/blog/why-i-built-an-open-source-calendar-syncing-tool https://www.keeper.sh/blog/why-i-built-an-open-source-calendar-syncing-tool $5/month flat, however many calendars you have. Keeper.sh blocks the same time on Google, Outlook, iCloud, Fastmail and CalDAV — details stripped by default. Sun, 28 Dec 2025 00:00:00 GMT calendar product sync self-hosting