Openvibe
Damus
Coracle
gossip
nos
nostrmo
Current
Primal's web app, iOS and Android client for Nostr, as experienced on primal.net.

Mem0
Memori
Agentmemory
Supermemory
Tempreon
cognee
TheSecondBrain.dev
Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
Which is more popular?
Based on our record, Primal seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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P
Primal
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|---|---|---|
| Website | primal.net | chainmemory.ai |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Primal yet.
ChainMemory gives your AI agents persistent memory that belongs to YOU — not to a single vendor. Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored...
What each product offers, as listed by its team.

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Overall verdict
Why this product is good
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Overall verdict
Why this product is good
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The Brutal Beauty of Primal
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Recommendations tracked on public social media and blogs since March 2021.

Come on, so much effort writing and yet so vague. The easiest way to try NOSTR is using any of the common web platforms like https://primal.net or https://yakihonne.com/ Heck, you can even install NOSTR clients directly from the App and... - Source: Hacker News / about 1 year ago
Https://yakihonne.com/ tends to be a good experience for browser and has apps, after that https://primal.net is also quite good as introduction since their UI is similar to what you are used in other platforms. Then there is... - Source: Hacker News / about 1 year ago
Tracking ChainMemory since Jul 2026.
When comparing Primal and ChainMemory, you can also consider the following products.



Persistent memory from agent trace, not just conversation
Compare Memori to Primal or ChainMemory:

Coracle is a web client for the Nostr protocol. While Nostr is useful for many things, Coracle focuses on providing a high-quality social media experience.
Compare Coracle to Primal or ChainMemory:

Persistent memory for Claude Code, Codex & coding agents
Compare Agentmemory to Primal or ChainMemory: