WorldWide Telescope
OpenSpace
Solar Model
Solar System Scope
Sky Guide
Stellarium
SkyORB
Mitaka is software for visualizing the known Universe with up-to-date observational data and...

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?
Website, pricing, platforms and company facts side by side.
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M
Mitaka
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|---|---|---|
| Website | 4d2u.nao.ac.jp | chainmemory.ai |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Mitaka 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...
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An editorial look at what each product does well and who it suits.

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WHY YOU SHOULDNT BUY A MITAKA PISTON - CRASH !!
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Share your experience with using Mitaka and ChainMemory. For example, how are they different and which one is better?
When comparing Mitaka and ChainMemory, you can also consider the following products.

The WorldWide Telescope (WWT) is a Web 2.
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OpenSpace is open source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.
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Persistent memory from agent trace, not just conversation
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SourceForge presents the Solar Model project. Solar Model is an open source application.
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Persistent memory for Claude Code, Codex & coding agents
Compare Agentmemory to Mitaka or ChainMemory: