Cardbox for Gmail Alternatives (September 2025)

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

4.5/5

4+ reviews

Reviewed on:

G2
2.
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.

3.
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.

4.
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.

5.
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.

6.
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.

7.
Bulletproof Inbox - A New Way to Manage Incoming Email.
https://www.bulletproofinbo
.com/

Forget searching through junk, spam, and unsolicited emails to find what you actually need. Bulletproof turns your open-access inbox into a permission-based one.

8.
Mailbutler: Your inbox, smarter.
https://www.mailbutle
.io/

Mailbutler is the email software extension plugin for Apple Mail, Gmail, and Outlook that helps you stay productive and professional.

9.
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!

10.
Shared Inbox tool for teams | TeamInbox by Zoho Mail
https://www.zoh
.com/teaminbox/

Shared inbox for a transparent workspace—Zoho TeamInbox lets you manage team emails efficiently, gives you clutter free inboxes and helps attain Inbox Zero easily.

11.
Newton - Supercharged emailing on iOS, Android, Mac & Windows
https://www.newtonh
.com/

Newton supercharges your email with powerful features like Read Receipts, Send Later, Snooze & more. Works with Gmail, Google Apps, Exchange, Outlook, Office365, iCloud, Yahoo & IMAP.

12.
DragApp | Official Site | Shared Inbox For Google Workspace Users
https://www.dragap
.com/

Turn Gmail into a Team Workspace. Use DragApp to manage workflows such as Help Desk, CRM or Tasks. #1 Gmail Shared Inbox tool.

13.
Simple & Free Cross-Platform Contact Manager App for Businesses
https://www.contactboo
.app/

Get up to date contact information with a simple & free cross-platform contact manager app that sync across multiple accounts and devices automatically.

15.
Multi-Touch Follow-Up Made Easy with Inboxplus
https://inboxp
.us/

Never miss a lead again! Automate multi-touch follow-ups with InboxPlus. Sign up for your 14 days free trial today.

16.
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.

17.
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!

18.
Dossier: Inbox Organizer for Gmail, Outlook and Slack
https://dossie
.work/inbox/

Dossier is an app for organizing customer conversations, no matter where it happens, with zero disruption to the ways you already communicate. Based in San Francisco, Dossier is helping business owners, business professionals and teams around the globe intelligently sync their customer communication channels and organize documents, tasks and more. Welcome to a new way to build better customer relationships and a better business.

19.
Helping your productivity, 1 click at a time - cloudHQ
https://www.cloudh
.net/

Supercharge your Gmail: label sharing, export email to sheets, etc. Backup and sync solutions for G Suite, Office 356, Egnyte, Box and Dropbox for Business. Secure and fast migration solution: migrate from Box to Office 365, migrate to G Suite, etc. Helping your productivity, 1 click at a time.

20.
Meeting scheduling and email reminders | Boomerang for Gmail
https://www.boomeranggmai
.com/

Boomerang adds integrated meeting scheduling and email productivity tools to your Gmail and Google Workspace accounts, helping you focus on what matters.

21.
Twobird
https://www.twobir
.com/

Discover your new all-purpose inbox. Write emails, create notes, set reminders and assign to-dos—your everyday tools, in Twobird.

22.
Mail merge for Gmail - Yet Another Mail Merge - YAMM
https://yam
.com/

Send mass emails with Gmail. Increase your chances of reaching the primary inbox. Track results in real-time directly from Google Sheets

23.
BlueMail - The Best Email App for Windows, Mac, Linux, Android and iOS
https://bluemai
.me/

BlueMail is a modern, mobile and desktop, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP, Exchange,POP3.

24.
A simple to do list for you and your team
https://www.an
.do/

A simple to do list app to manage your personal tasks, family projects, and team's work. Trusted by +40m people to stay organized and get more done.

26.
MergeMail - Easy Gmail mail merge
https://www.mergemai
.co/

Send mass emails using Google Sheets and Gmail. Use Google Sheets to personalize, send, and track mass emails in Gmail.

27.
InMoat | Focus on important emails
https://inmoa
.com/

InMoat puts you back in control of your inbox. Tailor your inbox with readymade email filters, designed by experts, and let your inbox work for you. Win back time, maintain focus, and be more productive.

28.
Mailman: Take your inbox to zero | Tool for Time Management
https://mailmanh
.com/

Mailman is an email assistant that helps you get your inbox to zero. It acts as a tool for time management and productivity by shielding you from unimportant emails.

29.
Mailalert - Free Email Tracking
https://mailaler
.io/

Free Email tracking for Gmail & Google Inbox without branding. Real-time notifications and link tracking. Works in Chrome, Firefox and Opera.

30.
Outlook add-in for email and task management | ClearContext
https://www.clearcontex
.com/

Try ClearContext Free. ClearContext is a powerful email management tool that helps you to quickly file emails, organize and complete tasks and manage your projects.

31.
Easy-to-use email management & customer service software
https://hiverh
.com/

10K+ teams trust Hiver to streamline shared inbox management and run multi-channel help desks from their Inbox. Try Hiver free for 7 days.

32.
Flow-e - Visual Task Board for Your Email
https://flow-
.com/

Turn your Outlook or Office 365 inbox into a visual task board with Flow-e. Delegate tasks, manage to-dos, schedule meetings, and set deadlines from your inbox.

34.
Pumble™ - FREE Chat & Communication App for Teams
https://pumbl
.com/

Business communication and team messaging software. Unlimited users, direct and group messages, and unlimited message history.

35.
Spark Mail — Smart. Focused. Email.
https://sparkmailap
.com/

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest.

37.
Rebump - Automated Email Follow-up for Gmail
https://site.rebum
.cc/

Rebump automates your email follow-ups, so you can focus on what really matters. Try it for free now!

38.
Folocard: Free Business Card Scanner + Email Templates = Follow Up Pro
https://folocar
.com/

Draft follow-up emails in seconds. Supertool for in-person networking. Now on Android and iOS. ? ??? #ALWAYSFOLLOWUP

39.
Kiwi for Gmail | The Best Desktop Gmail and Office Suite for Mac & Windows
https://www.kiwiforgmai
.com/

Elevate your Gmail & Google Workspace with Kiwi for Gmail. Quickly access Docs, Sheets, Slides and Drive apps with one powerful desktop office suite - Now on both Mac and Windows! Get started now.

40.
Missive ‐ Team Email, Chat & Tasks
https://missiveap
.com/

Email, group chat and tasks for productive teams. One app for all your internal and external communication. Work management at its best. Try it free!

41.
Email Tracker for Gmail | Free Email Tracking
https://www.getmailtracke
.com/

Email Tracking Chrome extension with no signature. Mail Tracker for Gmail. Real-time Email tracking and notifications.

42.
Your Team Collaboration IN ONE APP | Ryver
http://ryve
.com/

Get more done and save money by collaborating with your whole team IN ONE APP. Group chat, task manager, voice/video calls, and more. Start getting your team organized for FREE today!

43.
Best free Email client Software for Businesses / Windows and MacOS - Mailtrim
https://www.mailtri
.com/

Mailtrim provides secure Free email client software with its unique team collaboration Feature and is designed to serve the mailing needs of all business

44.
Vocus.io
https://vocu
.io/

Accurate email tracking, automated followups, prospecting, mail merge, meeting coordination, sendlater, snooze, undo, and snippets for Gmail.

45.
totle: Free Outlook Add-In Software
https://totl
.me/

totle is the all-in-one add-in solution for Outlook that helps you boost your email productivity and enhances your overall work experience.

46.
Inbox Zero | Automate and clean your inbox
https://www.getinboxzer
.com/

Inbox Zero is your AI personal assistant for email and the quickest way to reach inbox zero. Automate your email, bulk unsubscribe from newsletters, block cold emails, and view your email analytics. Open-source.

47.
Best Business Card Reader App | Free Business card scanner app | Visiting card scanner
https://bizconnectu
.com/

Looking for Free business card reader apps for iphone and android ? BizConnect is best business card scanner & visitor card scanners app which scans and manage all your digital business contacts securely.

48.
Mailspring - The best free email app
https://www.getmailsprin
.com/

Mailspring: The open-source, extensible email app for Mac, Linux, and Windows with open tracking, link click tracking, contacts enrichment data and more.

49.
Loop Email - All-in-one Shared Inbox and Team Email Platform
https://www.intheloo
.io/

Loop Email unlocks teamwork right inside your email inbox. It's an all-in-one shared inbox that transforms email into your team’s superpower.

50.
DragDrop - Drag email from Outlook to any application
https://www.dragdro
.com/

Drag directly from Outlook client and O365 to anywhere with DragDrop. Dragging emails & attachments is easy with DragDrop. Easy, Fast & Secure

52.
Mailstrom: Clean Up Your Inbox Now.
https://mailstro
.co/

The smarter, faster way to clean out your inbox. Remove hundreds (or even thousands) of messages from your inbox all at once. You'll be amazed at how fast you can approach Inbox Zero!

53.
Clean Email Inbox – Organize and remove emails you don't need
https://clea
.email/

Clean and organize your messy mailbox with a bulk email cleaner app - Clean Email. Choose your email provider to start cleaning.

54.
Thunderbird — Free Your Inbox. — Thunderbird
https://www.thunderbir
.net/

Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!

55.
Manage multiple accounts with the best email client 2024 | Mailbird
https://www.getmailbir
.com/

Email made easy and beautiful. Manage multiple accounts with the best email client for Windows 2024. Download the #1 email client program free Now.

56.
Microsoft Outlook (formerly Hotmail): Free email and calendar | Microsoft 365
https://www.microsof
.com/en-us/microsoft-365/outlook/email-and-calendar-software-microsoft-outlook/

Sign in to your Outlook.com, Hotmail.com, MSN.com or Live.com account. Download the free desktop and mobile app to connect all your email accounts, including Gmail, Yahoo, and iCloud, in one place.

57.
CRM Software To Grow Your Business | Try Nimble Free
https://www.nimbl
.com/

A G2 Crowd Market Leader, Nimble helps you build relationships everywhere you engage -- from your inbox to across the web. Try it free - no credit card required.

58.
Smart Productivity & CRM Solutions | Cirrus Insight
https://www.cirrusinsigh
.com/

Create, edit, and track your sales activities from your inbox. Stay focused on your goals with customer and prospect data where you work.

60.
EssentialPIM - An Email Client and Organizer. Try It for Free!
https://www.essentialpi
.com/

EssentialPIM helps you manage your life with powerful tools for email, calendar, contacts, notes, password entries and tasks.

61.
Gaggle Mail | Modern Listserv Replacement
https://gaggl
.email/

Simple group email discussion lists for your club, association, office, society, family and more. Get started in minutes. 14-day free trial.

63.
Email Client Software - Everdesk The Best Email Client for Windows 7 and 8
https://www.everdes
.com/

EverDesk combines the best features of an Email Client, File Manager, Address Book and Calendar into one integrated interface, making it the most unique and comprehensive personal information manager on the market

65.
Sync Emails to Salesforce Automatically - Match My Email
https://www.matchmyemai
.com/

Salesforce Email Integration for 1&1, GoDaddy, Rackspace, Intermedia, iCloud, Zimbra, and IMAP. Sync emails to Salesforce on any email system & device.

67.
Nolt · Feedback boards your users will love
https://nol
.io/

Collect feedback in a central place that your users will love. Prioritize feedback, create a roadmap with just a few clicks and keep everyone up-to-date with automated updates.

68.
Home - TrackMySubs
https://www.trackmysub
.com/

TrackMySubs is a powerful subscription tracker to help you know exactly what you're spending so you can manage your costs.

69.
TeamGantt: The Easiest FREE Gantt Chart Maker Online
https://www.teamgant
.com/

Create a free gantt chart online in minutes with TeamGantt. Our gantt chart maker is easy to use with drag & drop scheduling—no downloads or training required.

70.
The Decision Making Toolkit · Ducalis.io
https://hello.ducali
.io/

Ducalis is the 🎛 prioritization tool to help your 🙏 team make the 🎯 most impactful things. Align the team around top priorities. Involve the team in the decision-making process. Boost shared understanding.

71.
Azurepath | DiscoverCloud
https://www.discoverclou
.com/products/azurepath/

Information about Azurepath including independent reviews; ratings. Comparisons; alternatives to Azurepath from other CRM

72.
Build Your AI Agent Workforce — AI-Powered Productivity & Workflow Automation | Taskade
https://taskad
.com/

Meet your AI workforce with Taskade! Build, train, and deploy AI agents that think, learn, and act—ready to plan, research, and complete tasks alongside your team. Unlock agentic workflows where humans and AI collaborate to boost productivity 10X. Automate tasks and turn insights into action—all in one unified workspace.

73.
Cloud File Sharing, File Sync & Online Backup From Any Device | SugarSync | SugarSync
https://sugarsyn
.com/

SugarSync is a cloud file sharing, file sync and online backup service that is simple, powerful and easy to use. Unlike Dropbox, SugarSync enables you to back up your existing folder structure. Try it for FREE for 30 days and get started today!

74.
Create email marketing your subscribers will admire INBOX | Email
https://useinbo
.com/

Create your own marketing strategy Send in seconds Send & analyze email marketing campaigns. Start your free plan with unlimited credit. Free for a lifetime! Sign up for free See pricing INBOX is an email marketing tool with more powerful features and flexibility than any other Easy To Use Create a campaign in | Create email marketing your subscribers will admire INBOX

75.
Smartsheet for Gmail add-on | Smartsheet Learning Center
https://help.smartshee
.com/articles/2476621-smartsheet-for-gmail-add-on/

Once the information is captured in Smartsheet, all Smartsheet collaborators can see and act on the information.

76.
Email tracker for Gmail — Mailsuite (formerly Mailtrack)
https://mailsuit
.com/

Enhance relationship growth with our email tracker for Gmail. Track emails, receive read receipts, and gain valuable insights for effective communication.

77.
Project Collaboration Platform | BasicOps
http://basicop
.com/

BasicOps is a Collaborative Project Management Tool, where tasks and messaging are in one place.

78.
79.
QuickMail - Cold Email Software
https://quickmai
.io/

Cold email software that is easy to use, with automated follow-ups when there is no response. Customizable outbound email tracking software for sales.

80.
Cleanfox | Free Email Cleaner for Gmail, Outlook, and More
https://www.cleanfo
.io/

Cleanfox is the fastest Email Cleaner for Gmail, Outlook, and More. Clean your inbox efficiently and stop spam emails.

81.
Email Signature Software - Emailee
https://www.emaile
.io/

Emailee is the best Email signature software. Get a branded email signature that promotes your brand and saves you time. Tool 100% FREE

82.
TypeApp | Home
https://typeap
.com/

TypeApp - The best Android and iOS email app ever created for mobile devices. Fast, simple and easy, TypeApp is the best email app for Android and iOS

83.
Mailmeteor - The #1 Email Marketing Platform for Gmail
https://mailmeteo
.com/

Send personalized mass emails, directly from Gmail. Track your results in real time. Follow up easily and get more replies.

84.
A Modern Email Platform That Works For You | Polymail
https://polymai
.io/

Polymail is the best email platform designed to make the work-life of any professional much easier. Offering tools and features that benefit you. Visit us now!

85.
Blazing Fast Transactional Emails | Email Delivery at Unbeatable Prices with AhaSend
https://ahasen
.com/

Discover AhaSend, the Email Service Provider dedicated to revolutionizing transactional emails. Enjoy hassle-free pricing at $0.50 per 1,000 emails and experience unmatched delivery times. No hidden fees, no brackets, just straightforward service designed for your peace of mind.

86.
eM Client | The Best Email Client for Windows and Mac
https://emclien
.com/

Fast email client with full Gmail, Hotmail and other services synchronization. Best replacement for MS Outlook or Thunderbird. Free version for Home users.

87.
#1 Email Parser Software, Extract Data from Emails | Parserr
https://parser
.com/

Want to automate incoming lead data to your CRM? Parserr helps in parsing emails to capture and send lead data to Excel, Salesforce and more. Sign up for free!

88.
Virtual Address | Virtual Mailbox | $7.98/mo - Physical Address
https://physicaladdres
.com/

Manage your virtual address and virtual mailbox from anywhere. Clients can view & manage their postal mail and mailing address using a computer, tablet or smartphone. Create a Business or Personal account.

89.
Rambox | Workspace Simplifier to Boost your Productivity
https://rambo
.app/#home/

The best app that helps you to simplify your workspace. Organize all your apps and profiles and boost your productivity with Rambox.

90.
Membership Site Software - MemberSpace!
https://www.memberspac
.com/

Use your website to sell memberships and digital products like a content library, online course, newsletter, community, paid podcast, videos and more.

92.
Powerful Email Signature Generator for Teams - Signature.email
https://signatur
.email/

Create without limits using this powerful drag and drop email signature generator. Compatible with Gmail, Outlook, Apple Mail, iOS and more.

93.
Temporary Disposable Email. Email Forwarding. Newsletter grouping - Email Monster - Email Monster
https://em
.monster/

Email Monster acts as a firewall for your email address. You never have to reveal your real email anymore, by masking your email with unlimited temporary forwarding addresses. Also, it helps fight inbox clutter with delayed future emails and sender blocking, even without unsubscribe links.

94.
The Only Email Analytics & Reply Times Software for o365, Outlook and Gmail - timetoreply
https://timetorepl
.com/

Empower your teams with Email Analytics that works on top of your existing mailboxes. Improve your reply times, boost your revenue with timetoreply.

95.
Maestro - Project Management Tool
https://www.maestroc
.com/

We make IT project managers and software development companies happy while managing their project change requests — even in complex multiple contractors/clients scenarios.

96.
LoadConnect - Email Brokers With 1 Click
https://loadconnec
.io/

LoadConnect is a Chrome Extension that makes emailing brokers, calculating RPM, using Google Maps, and checking Factoring with 1 click

97.
Team management for developers - Teamplify
https://teamplif
.com/

The ultimate team productivity suite for developers – Team Analytics, Smart Daily Standup, Time Off Management, and more

98.
Automate email tests | loved by developers & QA teams
https://testmai
.app/

Test new user signups, transactional emails, spam scores, and more. Get started on our free forever plan with unlimited email addresses and mailboxes.

99.
inBuild | Construction Financials Made Easy
https://www.inbuil
.ai/

inBuild leverages the power of artificial intelligence for the management of general contractor's invoices and accounts payable. Reduce processing time, save money, and increase accuracy with our intelligent platform.