
Followup.cc
Gmelius
Boomerang for Outlook
Covideo
Sanebox
FollowUpThen
Right Inbox
Mailbutler adds lacking functionality to email clients and increases your productivity

ChainMemory
Mem0
Memori
Pieces for Developers
cognee
TheSecondBrain.dev
Claiv Memory
Persistent memory for Claude Code, Codex & coding agents

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mailbutler.io | agent-memory.dev |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
MailButler releases Outlook Add-On Edition
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mailbutler and Agentmemory. For example, how are they different and which one is better?
When comparing Mailbutler and Agentmemory, you can also consider the following products.

FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
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Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
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Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.
Compare Gmelius to Mailbutler or Agentmemory:


Boomerang for Outlook offers email productivity tools to track, schedule and send mails at the right time.
Compare Boomerang for Outlook to Mailbutler or Agentmemory:

Persistent memory from agent trace, not just conversation
Compare Memori to Mailbutler or Agentmemory: