Memex is a consumer product built for researchers.

Does Memex have a free plan?

Yes — there is a free tier, with paid plans for advanced use.

What platforms does Memex run on?

Memex runs on the web, embeddable surfaces, iOS, and Android.

Is Memex still active?

Unverified. Memex has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

Memex is developed by WorldBrain.io, based in the United States.

Is Memex open source?

Memex has a public GitHub repository.

Back to the index

Memex

Name: Memex
Author: WorldBrain.io

memex.gardenKnowledge base & wikis🇺🇸

Memex is a cross-platform research assistant that enables users to capture, annotate, summarize, and search online content. It supports web, mobile, and PDF sources, making it ideal for researchers and knowledge workers who need to organize and recall information efficiently.

FreemiumWebEmbeddableiOSAndroid

Visit memex.garden

4.7kstars

358forks

8features

2017since

Overview

8 features

Memex sits in PulseGate's Knowledge base & wikis category. It helps users save, organize, and summarize online content for efficient research and recall. It is built as a consumer product for researchers. A free plan is available. It ships for the web, embeddable surfaces, iOS, and Android.

It is developed by WorldBrain.io (United States), and it first shipped in 2017. The project is developed in the open on GitHub with 4.7k stars. Key capabilities include web clipping, annotation, and summarization.

Web clipping
Annotation
Summarization
Searchable notes
Cross-device sync
Highlighting
PDF support
Video timestamping

Built with & integrations

Framework

React

Hosting

Cloudflare

Auth

firebase_auth

Database

Firebase

Runs on

BrowserEmbeddableiOSAndroid

Detected from

Cloudflare: cf-ray header

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierGitHub · ★ 4.7kStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed15 Jun · 21:42 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Memex

What is Memex?: Memex helps users save, organize, and summarize online content for efficient research and recall. It is catalogued under Knowledge base & wikis on PulseGate.
Who is Memex for?: Memex is a consumer product built for researchers.
Does Memex have a free plan?: Yes — there is a free tier, with paid plans for advanced use.
What platforms does Memex run on?: Memex runs on the web, embeddable surfaces, iOS, and Android.
Is Memex still active?: Unverified. Memex has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who makes Memex?: Memex is developed by WorldBrain.io, based in the United States.
When did Memex launch?: Memex first shipped in 2017.
Is Memex open source?: Memex has a public GitHub repository.

At a glance

Pricing: Freemium · pricing page detected · free tier
Platforms: Web · Mobile · Desktop
Languages: English
Open source: Yes · ★ 4.7k
Built for: researchers
Model: B2C
Solves: Helps users save, organize, and summarize online content for efficient research and recall.

Registered as

GitHub: WorldBrain/Memex
Chrome Web Store: jafcdndekgfbdajgmkiogbjackacckdp
App Store: 6759632078
Google Play: garden.memex.mobile
Firefox Add-ons: worldbrain

Developer

🇺🇸WorldBrain.io

Community-driven

GitHub

Open source

View on GitHub

Stars: 4,685
Forks: 358
Open issues: 320
Last commit: 2 Dec 2025
Commits 90d: 0
Contributors: 65
Authorship: Community-driven
Default branch: develop
Latest release: 2.2.0 · 6 Jul 2020

Index record

Identity confidence: High · 95.2
Indexed: 15 Jun 2026
Lifecycle: Alive
Last seen: 15 Jun 2026

Identity audit (12)

Slug: memex-memex-garden
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by the 2026 taxonomy migration.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://memex.garden/

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