Harmonograph by Tyler Craft

A calm new tab for developers: today's Google Calendar meetings, your assigned Linear issues, and world clocks, over an animated background. No servers, no tracking. Calendar and Linear are optional.

Available on Firefox for Android™

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About this extension

Harmonograph replaces your new tab with the three things you actually check — today's meetings, the tasks assigned to you, and the time where your team is. Everything else is a slowly drifting harmonograph curve, redrawn on every tab. Both data sources are optional; with neither connected it's simply a clean, quiet new tab.

MEETINGS
Today's Google Calendar events, with a one-click join link where the event has a video call attached. All-day events are grouped at the top. Choose which of your calendars appear, and only today's events are ever requested.

TASKS
Linear issues assigned to you, with work in progress and anything overdue surfaced first, then ordered by priority. Filter by workflow status — show only To-do, or include Backlog, In Progress, Done and Canceled. Requires a Linear personal API key, which stays on your device.

WORLD CLOCKS
A configurable clock bar along the bottom, using IANA timezone identifiers so daylight saving is handled for you.

EIGHT THEMES
Four dark and four light variants, plus an auto mode that follows your system preference.

Developer comments

A few things worth knowing:

Settings are stored per-device and don't sync. If you use Harmonograph on more than one machine or profile, you'll need to set it up on each.

Linear treats "In Progress" and "In Review" as the same underlying status type, so the status filter can't currently separate them. If that matters to you, say so — it's on the list.

Both integrations are optional and independent. Calendar access is read-only and only ever requests the current day. The Linear integration uses a personal API key that stays on your device and is only ever sent to Linear.

Harmonograph is also available for Chrome. Bugs and requests are welcome at harmonograph@craftish.dev

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Harmonograph by Tyler Craft

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