Unofficial extension for Omnivore users who want to access their Omnivore items directly in a little popup. This extension is heavily inspired by the original In My Pocket extension for Pocket. Features:

See all your Omnivore articles in a popup
Quickly open the original article URL in a new tab by clicking the article
Keep the popup open by keeping CMD (CTRL on Windows/Linux) pressed while clicking an article
Archive (or unarchive) articles from the list
Change the labels of an article
Open the Omnivore main website
Use a custom Omnivore API URL (for self-hosted instances)
More features coming soon!

Setup:

Get an Omnivore API Key through your Omnivore Account.
Install the extension from the Firefox Extension store.
Go into the extension’s settings and paste your Omnivore API key.
Launch the extension by clicking the new "Omnivore List Popup" button in your Firefox extension toolbar/dropdown.
Optional: Add the extension to your always-visible toolbar.

Keyboard shortcuts:

Cmd+Alt+S: Save the current page in Omnivore
Cmd+Alt+D: Open the extension popup

Links:

Source Code: https://github.com/herrherrmann/omnivore-list-popup
Issues: https://github.com/herrherrmann/omnivore-list-popup/issues