Notesnook
Obsidian.md
Logseq
Standard Notes
Joplin
Trilium Notes
CherryTree
Zim Wiki
Tempreon
ChainMemory
Memori
Agentmemory
OpenMemory MCP
TheSecondBrain.dev
cognee
VATES.jp
Take notes on any device, capture ideas quickly and always keep them encrypted. You don't need an Internet connection to read or take notes because everything works 100% offline. Notesnook encrypts everything on your device. No one except you can read your notes making sure you enjoy privacy without sacrificing on your productivity: โข Encrypted cross platform sync โข Zero knowledge encryption โข No ads or trackers โข Secure private vault
Tempreon is a personal memory layer for your AI tools, connected over MCP. Your knowledge, preferences, and decisions travel across Claude, ChatGPT, Cursor, and any MCP-capable client โ captured once, available everywhere. It learns how you actually work instead of just storing what you said.
Notesnook
TempreonNotesnook is recommended for individuals and professionals who are concerned about data privacy and are looking for a straightforward, secure, and easy-to-use note-taking solution. It is particularly suitable for those who want cross-platform accessibility without sacrificing security.
Tempreon's answer:
Tempreon started with a simple observation: AI models keep changing, but the thing that makes them useful to you โ your context, your preferences, your judgment โ gets rebuilt from scratch inside every tool, and lost every time you move.
We built the layer that fixes that: person-owned memory served over the open Model Context Protocol, so it works across assistants instead of belonging to one. Along the way we open-sourced the pieces that are useful to everyone regardless of whether they use Tempreon โ like memhaul, our MIT-licensed CLI for turning ChatGPT and Claude data exports into files you own.
The through-line is custody: the model is temporary, your memory shouldn't be.
Tempreon's answer:
Most alternatives in this space are memory infrastructure for developers building their own AI apps. If you're the person using several AI tools every day, that's not your problem โ your problem is re-explaining yourself to each of them and losing everything when you switch.
The choice is really about who the memory is for. Ours is for you.
Tempreon's answer:
Tempreon is built for the person, not the app. Most memory products are developer APIs for adding memory to a single product; Tempreon is a memory layer you own that travels with you across every AI tool you use โ Claude, ChatGPT, Cursor, anything MCP-capable.
Tempreon's answer:
Individuals who live in AI tools all day: operators, consultants, founders, sales professionals, and knowledge workers who use more than one assistant and are tired of being a stranger to each of them.
If you've ever pasted the same context into Claude and ChatGPT in the same week โ you're the audience.
Tempreon's answer:
The protocol choice is the product decision: build on the open standard, and your memory works everywhere the standard does.
Based on our record, Notesnook seems to be more popular. It has been mentiond 89 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The page posted doesn't include the latest addition to specials which was posted on their Discord and visible here https://kagi.com/specials. Which to save you a click it's https://notesnook.com/. - Source: Hacker News / 10 months ago
Https://notesnook.com is better than Notion and Obsidian. The cross-platform apps are fast and smooth, and it have sync, which Obsidian requires a subscription for. - Source: Hacker News / 12 months ago
Looks nice! Would wait for the documentation to learn more. How does this compare to Notesnook? I have found that to be the best in terms of getting the details right (However, the last I checked, the documentation for self-hosting was unclear, and there were bugs in data exporting). https://notesnook.com/. - Source: Hacker News / over 1 year ago
Not sure hoarder is a direct replacement for evernote. As a former long time evernote note user I replaced it with https://notesnook.com. - Source: Hacker News / over 1 year ago
You might want to give Notesnook [0] a try. [0]: https://notesnook.com/. - Source: Hacker News / almost 2 years ago
Obsidian.md - A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
ChainMemory - Portable, verifiable memory for AI agents โ works across ChatGPT, Claude, Gemini and any MCP client
Logseq - Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
Memori - Persistent memory from agent trace, not just conversation
Standard Notes - A safe place for your notes, thoughts, and life's work
Agentmemory - Persistent memory for Claude Code, Codex & coding agents