
Mem0
Memori
Agentmemory
Supermemory
Tempreon
cognee
TheSecondBrain.dev
Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client

Breakroom
VeeR VR
MeetinVR
VRChat
Avatar SDK
SpatialChat
Morning Brew
Collaborate from anywhere in AR
Which is more popular?
Based on our record, Spatial seems to be more popular. It has been mentioned 23 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | chainmemory.ai | spatial.io |
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In their own words, as submitted to SaaSHub.


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...
No description of Spatial yet.
What each product offers, as listed by its team.


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.
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Spatial Review - Collaborating in AR
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ChainMemory and Spatial. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking ChainMemory since Jul 2026.
Playing Into the Cyberverse on spatial.io by Protocol Gemini has got me into the habit of looking for hidden messages everywhere. Source: about 3 years ago
Why not a community in spatial.io or something? Source: over 3 years ago
There are many metaverses. Some accessed via sites (like Decentraland,) others you have to download a 3D client (like Second Life)- I'd suggest you do a google search for common metaverses. You could also try spatial.io which is quick... Source: over 3 years ago
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Persistent memory for Claude Code, Codex & coding agents
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