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Alternatives

Products that do what mem/do does

You do you. Let mem/do the remembering.

  1. 1
    Memex 1.0143

    Search, Annotate and Organize what you've read online.

    2019

  2. 2RR

    An open source approach to locally record everything you view on your Apple Silicon computer. Note: Relies on Apple Silicon, and configured to only produce Apple Silicon builds. I think the idea of recording everything you see has the potential to change how we interact with our computers, and believe it should be open source. Also, from a privacy / security perspective, this is like... pretty scary stuff, and I want the code open so we know for certain that nothing is leaving your laptop. Even logging to Sentry has the potential to leak private info.

    2023 · github.com

  3. 3
    Mem 2.0312

    Stop losing ideas with AI that recalls for you

    Oct 2025

  4. 4
    Memex 2152

    Bookmarking for power users. History search & annotations

    2020

  5. 5

    Let every AI remember the same you.

    Jul 2026 · memmy.bot

  6. 6MB

    Hey HN! We're Deshraj and Taranjeet. We've been building working on a startup called Mem0, building an open-source memory layer for AI apps and agents (https://news.ycombinator.com/item?id=41447317). We also kept running into our own daily frustrations with AI assistants forgetting everything between conversations. Over a weekend, we decided to hack together a Chrome extension to solve this for ourselves. The problem was simple: we were constantly re-explaining our context across platforms when switching between ChatGPT, Claude, and Perplexity. Start a coding discussion in…

    2024 · github.com

  7. 7

    Sync memory across AI's so they pick up where you left off.

    2025

  8. 8
    Memdex276

    Turn every AI conversation into reusable local memory

    May 2026 · memdex.ai

  9. 9

    Your filesystem for the web

    2018

  10. 10MO

    Hey HN! We're Taranjeet and Deshraj, the founders of Mem0 (https://mem0.ai). Mem0 adds a stateful memory layer to AI applications, allowing them to remember user interactions, preferences, and context over time. This enables AI apps to deliver increasingly personalized and intelligent experiences that evolve with every interaction. There’s a demo video at https://youtu.be/VtRuBCTZL1o and a playground to try out at https://app.mem0.ai/playground. You'll need to sign up to use the playground – this helps ensure responses are more tailored to you by…

    2024 · github.com

  11. 11

    Summarize, connect and organize ALL your online content

    2023

  12. 12MA

    After 18 months of tinkering and iterating, we want to show you our Memex: An open-source browser extension to effortlessly organise your web-research. We'd love to know what you think :) Check it out at https://worldbrain.io/hn Memex features: - Instantly find websites you visited with the fuzzy memories you have about them, instead of bookmarking everything or keeping dozens of open tabs. Search for every word of every website you’ve seen, and filter by time, domain, custom tags or bookmarks. - Add your thoughts to websites via comments & annotations, directly in the browser…

    2018

  13. 13
    MemSync133

    Unified Memory for all of your apps

    2025

  14. 14MM

    Hi HN! Erik here from Pig.dev, and today I'd like to share a new project we've just open sourced: Muscle Mem is an SDK that records your agent's tool-calling patterns as it solves tasks, and will deterministically replay those learned trajectories whenever the task is encountered again, falling back to agent mode if edge cases are detected. Like a JIT compiler, for behaviors. At Pig, we built computer-use agents for automating legacy Windows applications (healthcare, lending, manufacturing, etc). A recurring theme we ran into was that businesses already had RPA (pure-software scripts), and…

    2025 · github.com

  15. 15
    Memento142

    Automatically categorize and organize your URLs using ML

    2021

  16. 16
    MemFlow113

    The time machine of your memory, never take notes again

    2023

  17. 17

    Leave notes around your space to help jog your memory later

    2019

  18. 18MA
  19. 19

    A browser made precisely for your apps.

    2017

  20. 20
    MemX21

    Your infinite memory

    Jul 2026 · memx.app

  21. 21
    memomize133

    Mark any text on any website that's worth keeping

    2016

  22. 22
    Mem Agent129

    The AI that refuses to let you drop the ball

    24d ago · get.mem.ai

  23. 23

    Takes in any document and skims it down for your convenience

    2016

  24. 24

    An AI that takes notes on other AI's work in real-time

    Dec 2025

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