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

Quake
Warsow
Unreal Tournament
Counter-Strike
Doom
Red Eclipse
Veloren
Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.

Which is more popular?
Based on our record, Xonotic seems to be more popular. It has been mentioned 35 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | chainmemory.ai | xonotic.org |
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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 Xonotic 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
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Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ChainMemory and Xonotic. 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.
Open-source one: Xonotic https://xonotic.org/. - Source: Hacker News / 10 months ago
This is a good list, and there are some games on here I've never heard of. That said, I would suggest the addition of Xonotic[0] to the 'first-person games' category. [0] https://xonotic.org. - Source: Hacker News / 10 months ago
I looked it up: Xonotic was the answer! It was actually quite fun, even though I had to compile from source to play on an outdated office server :) https://xonotic.org/. - Source: Hacker News / over 2 years ago
When comparing ChainMemory and Xonotic, you can also consider the following products.


Quake is a series of first-person shooter video games released by id Software.
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Persistent memory from agent trace, not just conversation
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Persistent memory for Claude Code, Codex & coding agents
Compare Agentmemory to ChainMemory or Xonotic:

Unreal is a series of first-person shooter video games developed by Epic Games.
Compare Unreal Tournament to ChainMemory or Xonotic: