Dev tools · alternatives · 2026
24 alternatives to Memex – annotate and instantly recall any website
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…
Memex is an open-source browser extension that helps users organize and retrieve web research. It lets users search through every word of previously visited websites using fuzzy memories, time filters, domains, tags… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Memex – annotate and instantly recall any website launched in 2018; newer entries below may have overtaken it.
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Memex 1.0▲143Search, Annotate and Organize what you've read online.
2019 · memex.garden · its alternatives →
- 2MA
2025 · gitea.bubbletea.dev · its alternatives →
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Memex 2▲152Bookmarking for power users. History search & annotations
2020 · jo777.it.com · its alternatives →
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Full-Text Search your Browsing History & Bookmarks
2017 · chromewebstore.google.com · its alternatives →
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Memex▲166Instantly find websites again - but without organising them.
2018 · memex.garden · its alternatives →
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- 7OS
2020 · steveliu.co · its alternatives →
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Summarize, connect and organize ALL your online content
2023 · recall.it · its alternatives →
- 10
Twemex is a browser extension for Twitter that guides you effortlessly to the best content.
2021 · twemex.app · its alternatives →
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An extension for Firefox and Chrome to add comments to any URL - comntr/webext
2019 · github.com · its alternatives →
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Memdex▲276Turn every AI conversation into reusable local memory
May 2026 · memdex.ai · its alternatives →
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Hi HN, TL;DR Memex is a cross-platform desktop app for vibe coding. Think ChatGPT + Claude Code rolled into one. Why we built it: We love chat tools like Perplexity and ChatGPT. We also love coding agents, like in Cursor and Windsurf. We don’t like that web-based app builders are opinionated about tech stack and we can’t run them locally. So, we built Memex to be a chat tool + coding agent that supports any tech stack. What it can do today: Claude Code-like coding. Agentic web search / research. Pre-built templates (e.g. fullstack, iOS, python + modal, etc). Inline data analysis + viz.…
2025 · memex.tech · its alternatives →
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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 · its alternatives →
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UnderlineMe▲132Highlight, bookmark & organize research from any site
2020 · underlineme.com · its alternatives →
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Annotate and discuss web pages in real time.
2022 · webhighlighter.com · its alternatives →
- 24
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →