Work · alternatives · 2026

24 alternatives to EmailFlow

Collaborative email review and approval add-in for Outlook

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. EmailFlow launched in 2021; newer entries below may have overtaken it.

1. 1EC
   EmailFlow – Collaborative email review and approval add-in for Outlook▲8

   2021 · emailflow.app · its alternatives →

2. 2
   Mailflow▲267

   Run your business from Gmail

   2020 · getmailflow.com · its alternatives →

3. 3
   Flow-e 2.0▲259

   Turn your Gmail & Outlook into Trello-like task lists 💌

   2018 · flow-e.com · its alternatives →

4. 4
   Flow-e▲221

   Turn your Gmail & Outlook into Trello-like task lists 💌

   2017 · flow-e.com · its alternatives →

5. 5
   Pastel for Email Review▲80

   Review and approve marketing emails faster

   2022 · usepastel.com · its alternatives →

6. 6
   Collaboration Toolkit by Mailjet▲144

   Think Google Docs for email template creation 💌

   2018 · mailjet.com · its alternatives →

7. 7
   Mailflow 1.0▲107

   Run your business directly from Gmail

   2022 · getmailflow.com · its alternatives →

8. 8
   Email Flows▲340

   50+ readymade frameworks for automating email flows

   2022 · mailmodo.com · its alternatives →

9. 9
   Spark Shared Inboxes by Readdle▲104

   Access common Emails and enhance collaboration

   2021 · sparkmailapp.com · its alternatives →

10. 10
    Approveit 3.0▲400

    Automate expense approvals in Slack and email

    2022 · approveit.today · its alternatives →

11. 11
    Alert.email▲250

    Get your important emails delivered to a Slack channel

    2016 · its alternatives →

12. 12
    Workflows by Approveit▲263

    Manage your team's approval workflows in Slack

    2021 · approveit.today · its alternatives →

13. 13
    ClientFlow▲129

    Enabling teams to manage shared conversations and tasks

    2016 · its alternatives →

14. 14
    Email Workflows by Salesflare 💌▲193

    Sequences, drips & onboarding emails from PH's favorite CRM

    2020 · salesflare.com · its alternatives →

15. 15
    Loop Email▲257

    Emailing for teams: Organize your Inbox into channels 💌

    2018 · intheloop.io · its alternatives →

16. 16
    KleanMail Free Email Verifier▲177

    Emails inboxed, always.

    2022 · kleanmail.com · its alternatives →

17. 17
    signature.email▲240

    A powerful visual drag and drop editor for email signatures

    2020 · signature.email · its alternatives →

18. 18
    DearFlow▲225

    Clear your inbox. Clear your mind.

    2025 · dearflow.ai · its alternatives →

19. 19
    Signal – Edit emails in your Gmail inbox▲151

    2013 · trysignal.com · its alternatives →

20. 20
    [Sending]flow▲191

    All-in-one Webflow email autoresponder

    2024 · sendingflow.app · its alternatives →

21. 21
    Free Email Verifier▲202

    The first free and accurate email verification service

    2020 · gmass.co · its alternatives →

22. 22
    MailerCheck 2.0▲145

    All-in-one email deliverability platform for businesses

    2023 · mailercheck.com · its alternatives →

23. 23
    Consider Groups▲156

    It's like Slack channels but for email.

    2019 · its alternatives →

24. 24
    Mail Designer 365 Approvals▲12

    Email design tool for Mac with real-time feedback feature

    2019 · maildesigner365.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →