Product updates
hora Calendar Now Supports macOS 15
hora Calendar now works on macOS Sequoia. Here is what changed, what stays the same, and which Apple Intelligence extras still need macOS 26.
Maciej Szamowski3 min read
Stories
Guides
Focus Time Calendar: A Simple System for Protecting Deep Work
Build a focus time calendar that protects deep work without overplanning your week. Learn the difference between Google Focus time and ordinary blocks.
Maciej Szamowski7 min read
Product updates
One Month Building a Better Calendar App for macOS
One month after launch, hora is a more reliable Google Calendar app for Mac. Here is what changed, and what the work taught me.
Maciej Szamowski6 min read
Product updates
hora Calendar 1.0: The Mac App I Wanted for Google Calendar
hora Calendar 1.0 is a native Google Calendar client for Mac with direct sync, menu bar access, focus planning, and privacy built around local data.
Maciej Szamowski8 min read
Build notes
Week One Building hora: 107 Commits Later
A candid snapshot of hora's first ten days: 107 commits, three Swift packages, 21 resolved issues, useful workflows, and plenty still rough.
Maciej Szamowski7 min read
Build notes
Five Days Later: The Road to Launching hora Calendar
Five days after I first wrote about hora, the visible app worked. The road to launch was now OAuth verification, TestFlight, reliability, and feedback.
Maciej Szamowski6 min read
Build notes
Building a Native Mac Calendar App in 48 Hours
What I cut, rebuilt, and shipped during a 48-hour sprint on hora, including PKCE auth, Day View, FreeBusy sharing, and WidgetKit.
Maciej Szamowski6 min read
Build notes
Why I Built a Native Google Calendar App for Mac
Why I built hora as a native Mac client for Google Calendar, chose the official API over CalDAV, and kept Google as the source of truth.
Maciej Szamowski7 min read