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UMST icon

UMST for Mac

Desktop calendar widget that combines Google, iCloud, Outlook, Apple Reminders, Canvas and other LMS deadlines, Todoist, Asana and Trello, with menu bar quick add.

By nicoleyangcoding. Free and open source, MIT licence.

Get it with OpenDMG View source on GitHub

UMST at a glance

Version
0.2.2
Released
28 October 2026
Download size
1.2 MB
Works on
Apple silicon and Intel
Licence
MIT
Category
Productivity
Developer
nicoleyangcoding
GitHub stars
11

About UMST

Free, open-source desktop calendar widget for macOS. Google Calendar, iCloud, Outlook, Apple Reminders, Canvas, Blackboard, Brightspace, Moodle, Schoology, Todoist, Asana & Trello in one place, plus menu bar quick add.

Screenshots

UMST screenshot 1UMST screenshot 2UMST screenshot 3

How to install UMST on a Mac

  1. Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
  2. Search for UMST and press Get. OpenDMG downloads version 0.2.2 from nicoleyangcoding's own GitHub release.
  3. Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.

Updates to UMST show up in OpenDMG and install with one button. No account is needed.

Prefer to do it by hand? The developer's file is on GitHub: UMST.zip (1.2 MB).

What is new in UMST 0.2.2

New app icon: a simple red tile showing a tiny version of the calendar, with today highlighted and your agenda below.

Update by running the install command again.

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