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

LineageOS
GrapheneOS
Android
Ubuntu Touch
CalyxOS
CopperheadOS
e.foundation /e/
A real Linux distribution on the phone

Which is more popular?
Based on our record, postmarketOS seems to be more popular. It has been mentioned 111 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | agent-memory.dev | postmarketos.org |
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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.
No Agentmemory videos yet. You could help us improve this page by suggesting one.
Pinephone + postmarketOS + Phosh + Firefox: Walkthrough [ #linuxsmartphone ]
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Agentmemory and postmarketOS. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Agentmemory yet. Be the first one to post
Don’t get too excited. PostmarketOS is in very early phases of development, and it is most likely that you won’t be able to use it like a regular smartphone yet. However, you may keep an eye on the postmarketOS...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Agentmemory since Jun 2026.
GrapheneOS is pretty neat, https://postmarketos.org/ is also pretty damn polished out of the box these days. - Source: Hacker News / about 2 months ago
> - I'm itching at the chance to build my own phone operating system, and there must be thousands of others who want to do the same. Maybe look into contributing to existing alternatives like PostmarketOS. https://postmarketos.org/. - Source: Hacker News / 4 months ago
- https://sailfishos.org - https://docs.sailfishos.org/Support/Supported_Devices They have few devices of their own (new one coming out this October) and they officially support many Sony Xperia devices. There are also many community... - Source: Hacker News / 5 months ago
When comparing Agentmemory and postmarketOS, you can also consider the following products.

Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
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Operating system for smartphones and tablet computers, based on the Android
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GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.
Compare GrapheneOS to Agentmemory or postmarketOS:

Persistent memory from agent trace, not just conversation
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Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Compare Android to Agentmemory or postmarketOS: