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

Bookmark It
LunaNotes
Snipo.io
Gemoo YouTube Video Note Taking Tool
Channel Profiler
TAGiT
ZippyNotes.co
Optimize your learning on YouTube
Which is more popular?
Based on our record, Annotate.tv seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | chainmemory.ai | annotate.tv |
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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 Annotate.tv 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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Annotate.tv walkthrough
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Share your experience with using ChainMemory and Annotate.tv. 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.
I've used annotate.tv to timestamp youtube videos & comment on whatever's happening. Best is to just watch with your teammates over discord or something though. Source: about 4 years ago
Maybe your best bet is to upload to YouTube as unlisted and use https://annotate.tv … on iOS I use KMPlayer to add markers (boorkmarks) and use those to annotate once back home. Wish there was something better. Source: over 4 years ago
I use Inoreader, raindrop and hypothesis. I'm trying annotate.tv extension in chrome for youtube videos. Everything syncs to readwise and so into obsidian. Source: about 5 years ago
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Persistent memory from agent trace, not just conversation
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LunaNotes is a note taking app build in YouTube, you can take notes without stop watching the video.
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Persistent memory for Claude Code, Codex & coding agents
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AI Flashcards & Take video notes into Notion in click
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