Growth · alternatives · 2026

24 alternatives to Alltum

Project management built around your inbox

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Alltum launched in 2023; newer entries below may have overtaken it.

1. 1
   Inbox by Google▲1,147

   Next generation inbox

   2014 · google.com · its alternatives →

2. 2
   Sidemail▲494

   Quick & easy email for all your side projects

   2018 · sidemail.com · its alternatives →

3. 3
   Allister▲64

   A beautiful and easy way to organise your to-do.

   2018 · apps.apple.com · its alternatives →

4. 4
   Unified Inbox by ALLO▲81

   The only inbox that truly matters

   2023 · allo.io · its alternatives →

5. 5
   INBOXOTA▲96

   Your all-in-one email management solution

   2023 · inboxota.framer.website · its alternatives →

6. 6
   I built my own PM tool after trying Trello, Asana, ClickUp, etc.▲632

   Hey HN, Over the past two years, I've been building Upbase, an all-in-one PM tool. I've tried so many project management tools over the years (Trello, Asana, ClickUp, Teamwork, Wrike, Monday, etc.) but they've all fallen short. Most of them are overly complicated and painful to use. Some others, like Trello, are too limited for my needs. Most importantly, most of these tools tend to be focused on team collaboration and completely ignore personal productivity. They are useful for organizing my work, but not great at helping me stay focused to get things done. That's why I decided to build…

   2022 · upbase.io · its alternatives →

7. 7
   Inbox Zero▲821

   Clean Up Your Inbox In Minutes Newsletter management, AI automation, and email analytics. Inbox Zero is the open-source email app that puts you back in control of your inbox.

   2023 · getinboxzero.com · its alternatives →

8. 8
   Tribe▲126

   Easy way to track and complete task inside your inbox

   2015 · its alternatives →

9. 9
   Lily CRM▲98

   Your truly all in one affordable scalable CRM system

   2024 · lilycrm.com · its alternatives →

10. 10
    Inbox by Process Street▲94

    Blast through your tasks in record speed

    2019 · process.st · its alternatives →

11. 11
    Inbox Zero▲185

    Here’s how the most productive people manage their inbox.

    2020 · its alternatives →

12. 12
    Infinity▲292

    Organize everything in one place.

    2020 · startinfinity.com · its alternatives →

13. 13
    Internal All-in-One Platform▲134

    All-in-one platform for building internal tools

    2023 · its alternatives →

14. 14PM
    Planleaf – Manage tasks completely over email▲76

    2014 · planleaf.com · its alternatives →

15. 15
    Hello Ivy▲139

    Project management & team communication software

    2022 · helloivy.co · its alternatives →

16. 16
    Hiver 2.0▲131

    Shared inbox management for teams

    2019 · hiverhq.com · its alternatives →

17. 17
    Firmbee▲221

    All-in-one project management system.

    2022 · firmbee.com · its alternatives →

18. 18
    Inbox 2.0 for Documents▲129

    Declutter your digital life

    2023 · readdle.com · its alternatives →

19. 19
    Macro▲179

    Unifies your work into one app with shared memory

    Jul 2026 · macro.com · its alternatives →

20. 20
    Workspaces▲163

    Your things well-organized. Ready to open with one click.

    2017 · apptorium.com · its alternatives →

21. 21
    Email Architect▲220

    All-in-1 system to write, manage & organize email-marketing

    2022 · getemailarchitect.com · its alternatives →

22. 22
    AllHands▲129

    Upgrade your all-company emails

    2020 · its alternatives →

23. 23
    Hiver▲147

    Email collaboration platform to manage shared inboxes

    2016 · hiverhq.com · its alternatives →

24. 24
    Hello Ivy 2.5▲147

    Next-generation project management software

    2023 · helloivy.co · 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 →