OpenDuet
OpenDuet is a self-hosted proactive agent that sorts your email and calendar, makes a morning brief, and works on tasks for you while asking before it acts.
What it is good for
- Sorting email into what needs a reply and what can wait
- Getting a daily brief of meetings and urgent messages
- Running background tasks in its own browser while you step away
- Approving or refusing actions before an agent sends or deletes anything
At a glance
- Who it is for
- Setup
- Guided command-line setup
Level 4 of 5. You copy and paste commands into a terminal by following the instructions. Comfortable territory for vibe coders.
- Cost
- Free and open source
- Type
- Agent app
- Tasks
- Works with
- Gmail, Google Calendar, Google Drive, Notion, Slack, Microsoft Teams
Momentum
- Rank this week
- #9
- Best rank
- #9 week 44, 2026
- Stars gained last week
- +1,823
- GitHub stars
- 1,821
GitHub numbers as of Nov 2, 2026. Updated weekly.
Ranking history
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is OpenDuet free?
- Yes. It is free and open source (MIT license).
- Do I need to know how to code to use OpenDuet?
- You do not need to write code, but setup means copying and pasting commands into a terminal by following its instructions.
- What does OpenDuet work with?
- According to its own documentation, it works with Gmail, Google Calendar, Google Drive, Notion, Slack, and Microsoft Teams.
- What is OpenDuet good for?
- Sorting email into what needs a reply and what can wait, getting a daily brief of meetings and urgent messages, running background tasks in its own browser while you step away, and approving or refusing actions before an agent sends or deletes anything.
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