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Provider for Google Calendar

Allows bidirectional access to Google Calendar

Rated 3 out of 5 stars (1,723)
180,123 users

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TbSync

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Rated 4 out of 5 stars (267)
62,428 users

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G-Hub Lite

Google Tabs for Thunderbird! G-Hub Lite supports Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need Google Workspace support (formerly G Suite)? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro

Rated 4 out of 5 stars (23)
3,762 users

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ThunderAI Sparks

ThunderAI Sparks is an add-on designed to add advanced features to ThunderAI.

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217 users

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Open Google Calendar

Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)

Rated 4 out of 5 stars (79)
22,649 users

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GCalTab

GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.

Rated 5 out of 5 stars (12)
1,644 users

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Calendar/Project Tools: Gantt-/Year View, Planner

*Display Gantt View and Year View
*Task Time Planning: daily, distribute your open tasks into open time slots.
*Show parent/child relationships for tasks

Rated 5 out of 5 stars (1)
192 users

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M-Hub Lite

Add Microsoft Office 365 Tabs to Thunderbird! Services supported by M-Hub Lite: Calendar, People, OneDrive, Word, Excel, PowerPoint, & Bing. Need business or enterprise support? Get M-Hub Pro: https://www.schiffner.com/software/m-hub-pro

Rated 3 out of 5 stars (5)
303 users

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