• Todoist icon


    Todoist is a task manager thats useful, fast and easy to use. Accomplish more, every day. Millions of people rely on Todoist to get things done. Todoist lets you manage your tasks anywhere. At home. At school. At work. Online.

    Freemium Mac Windows Web Android iPhone Chrome OS Android Tablet Windows Phone ... iPad Chrome Microsoft Office Outlook Android Wear Gmail Firefox

  • Google Tasks icon

    Google Tasks

    Tasks adds a to-do list to Gmail. After adding the lab, click the Tasks link above the chat box on the left-hand-side of the page. Your task list will appear on the right – click anywhere in the list and start typing to add a task.

    Free Web Chrome OS Gmail

  • FullContact - Contact App icon

    FullContact - Contact App

    FullContact is the most powerful fully-connected contact management platform for professionals and enterprises who need to master their contacts and be awesome with people. .

    Freemium Mac Web Android iPhone Android Tablet iPad Chrome Gmail

  • Boomerang icon


    Schedule an email to be sent later. Easy email reminders. Boomerang for Gmail is a Firefox / Chrome / Safari plugin that lets you take control of when you send and receive email messages. Very limited free capability.

    Freemium Web Android Chrome Microsoft Office Outlook Safari Opera Gmail Firefox

  • Remailder icon


    Remailder is working for businesses and also for your daily life. Prevent from forgetting your emails, tasks or meetings and increase your productivity.

    Freemium Web Chrome Yahoo! Mail Microsoft Office Outlook Safari Apple Mail Gmail

    • Discontinued The official website is no longer available.
  • LinkedIn Rapportive icon

    LinkedIn Rapportive

    Rapportive shows you everything about your contacts right inside your inbox. A simple CRM built into Gmail.

    Free Web Chrome Gmail Firefox

    • Discontinued The extensions are outdated (2013/2014) and they no longer work.
  • ActiveInbox for Gmail icon

    ActiveInbox for Gmail

    == Emails are just a flow of tasks == You'll never forget an important email again, because ActiveInbox is a task manager that lets you communicate about, and manage, all your work in one place.

    Commercial Mac Windows Linux Chrome Safari Google Apps Gmail Firefox

  • Streak CRM icon

    Streak CRM

    CRM, inside Gmail. Run your entire business from your Inbox Simple Collaboration Collaborate with a single click. Share contacts, email, files, and anything else needed to get the job done.

    Freemium Web iPhone Gmail

  • Xobni icon


    Xobni is an Outlook plugin that helps you search and organize your inboxes. Download Xobni's Outlook plugin instantly. With Xobni you find E-mails and contacts as quick as with Google Mail. 3 languages: english, german and french.

    Freemium Windows Android iPhone Blackberry Microsoft Office Outlook Gmail

    • Discontinued After having been acquired by Yahoo on 2013, the service Xobni.com has been shut down on July 2, 2014, as written at https://support.xobni.com/entries/21914995-Yahoo-Acquisition-of-Xobni-FAQ
  • Screenleap icon


    Screen share instantly for free using Screenleap. Screenleap makes it really easy to share your computer screen. You can share your screen with as many people as you like with no downloads, account setup, or cost required.

    Freemium Web Gmail

  • Vocus.io icon


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

    Commercial Web Chrome Gmail

  • Gist.com icon


    Connecting the inbox to the web to provide business-critical information about the people and companies that matter most. Add contacts automatically: Your contacts are everywhere.

    Free Web Android iPhone Microsoft Office Outlook Gmail Firefox

    • Discontinued Gist.com was officially closed on September 15, 2012.
  • Doubletick icon


    DoubleTick is an Email Tracking for Gmail and GSuite, adds the double check marks to your mail if it is read by recipient (Just like WhatsApp).

    Freemium Mac Windows Linux Mailtrack for Gmail: email tracking Chrome Streak CRM Gmail Yesware ... HubSpot Boomerang Chromium

  • Secure Gmail icon

    Secure Gmail

    An extension to send secure, encrypted messages through Gmail. SecureGmail encrypts and decrypts emails you send in Gmail. This happens all on your machine, and the unencrypted text never reaches Google servers.

    Free Open Source Mac Windows Linux Chrome Gmail

  • Mailtrack for Gmail icon

    Mailtrack for Gmail

    MailTrack.io is an email tracking app for Gmail that lets you know if the emails you’ve sent have been read or not. Mailtrack extension adds the double check marks to your Gmail.

    Freemium Windows Chrome OS Vivaldi Browser Chrome Streak CRM Gmail Yesware Boomerang ... Chromium Dropbox

  • Yesware icon


    Yesware is a Gmail plugin that provides email tracking, schedule emails to be sent later and reminders integrated in the Gmail interface.

    Freemium Web iPhone Microsoft Office Outlook Gmail

  • Paperworks icon


    Keep your finances organized by automatically scanning your Gmail for financials.

    Free Web Gmail

  • Virtru icon


    Virtru provides digital privacy technology to let you easily share information securely through all major email programs and applications. Virtru puts you in charge of how your digital information is shared.

    Freemium Web iPhone Yahoo! Mail Outlook Gmail

  • Sortd icon


    Sortd transforms your email interface into a full-fledged organizer that allows you to manage your email and tasks in a single, visually-organized workspace.

    Free Web Android iPhone Chrome OS Gmail

  • ZeroMail icon


    ZeroMail cleans up your inbox by allowing you to block/unsubscribe from any unwanted mailings or put them in a daily digest.

    Free Web Gmail

    • Discontinued Functionality seems broken, and there's no activity from social media accounts.
  • Gmail Offline icon

    Gmail Offline

    Alternative interface for Gmail with offline support.

    Free Mac Windows Linux Web Gmail

  • Mailbutler icon


    Mailbutler adds lacking functionality to email clients and increases your productivity.

    Freemium Mac Apple Mail Gmail

  • FoxType icon


    Foxtype is a quick and easy way to check your written words for politeness and tone. Simply copy and paste your text, or type it in the text field, and the app rates the politeness and provides options to make it sound more polite.

    Free Web Gmail

  • Gmail Unread Counter (Widget) icon

    Gmail Unread Counter (Widget)

    Gmail Unread Counter is a widget that allows you to view the number of unread emails. With one click, it directly opens the Gmail app with the customized label/tab/folder.

    Freemium Android Android Tablet Gmail

  • DropMail icon


    DropMail gives you unique disposable email address without registration. It's valid until you refresh the page. Rich functionality, including forwarding, attachments, extended addresses and Telegram/Viber bots.

    Free Web Telegram Viber Gmail