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

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| Website | chainmemory.ai | gutenberg.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...
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Project Gutenberg’s enduring legacy and mission to make cultural and historical knowledge freely available contribute to its status as a cornerstone in digital libraries.
Project Gutenberg is another amazing alternative for LibGen and is known to be the first platform that offers free ebooks. It features a user-friendly interface and no need to download any app as you can directly read...
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Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
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