Cardbox for Gmail Alternatives (January 2026)

Integrate Gmail and Trello with Cardbox

Keep your team in sync – Attach emails to cards and reply from Trello. Cards move when you get a response. 100k+ installs. Free!

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Trello for Gmail™ - Google Workspace Marketplace

https://workspace.googl

.com/marketplace/app/trello_for_gmail/710372432947/

Quickly create new cards on your Trello boards without leaving your inbox.

Sortd ‍- Rated #1 App for Gmail-based Teams

https://www.sort

.com/

Sortd is an All-in-one Sales, Service and Task tracking app ‍for Gmail-based Teams. Manage your emails, customers, tasks and workflows, in your Inbox.

ActiveInbox: Organize Gmail with Tasks and Folders

https://www.activeinboxh

.com/

With ActiveInbox, you'll take control of Gmail by turning emails into tasks, putting them into folders, adding notes and achieving inbox zero.

App for Gmail: Collaboration and Automation Platform | Gmelius

https://gmeliu

.com/

Put some Genius into Gmail! Gmelius is the leading process automation and email collaboration software built for Gmail and Google Workspace. Start for free.

Email Tracking, Create Email Reminders & Recurring Email In Gmail

https://www.rightinbo

.com/

More than 250,000 professionals use Right Inbox every day to increase their email productivity. 12 powerful features to supercharge your Gmail account.

Boxy Suite 2 - The best Gmail app for Mac

https://www.boxysuit

.com/

Looking for a great Gmail app for Mac? Connect your Calendar, Keep and Contacts within one app.

SaneBox | Email Management for Any Inbox

https://www.sanebo

.com/

Cut your team's email management time in half & get started on the road to a cleaner inbox and more productive day with SaneBox. Start your free trial now!

GMass: Mail merge and mass emails for Gmail

https://www.gmas

.co/

GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!

Manage Your Team’s Projects From Anywhere | Trello

https://trell

.com/

Make the impossible, possible with Trello. The ultimate teamwork project management tool. Start up a board in seconds, automate tedious tasks, and collaborate anywhere, even on mobile.