
ChainMemory
Mem0
Memori
Pieces for Developers
cognee
TheSecondBrain.dev
Claiv Memory
Persistent memory for Claude Code, Codex & coding agents
Narrow.io
Twito
BlackMagic.so
HiTest
Hypefury
Litmus
Life on Twitter
Target your tweets to the right people at the right time

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
WA
When Active
|
|
|---|---|---|
| Website | agent-memory.dev | whenactive.com |
| Listed in |
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
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Agentmemory and When Active. For example, how are they different and which one is better?
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Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
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Persistent memory from agent trace, not just conversation
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Magic Sidebar is the best browser extension for Twitter. Use it today and unlock insights you never knew about, communicate better with your audience, and build strong 1:1 relationships. Mobile apps for iOS and Android are also available!
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