Alternatives to Diigo for all platforms with Open Source License

Memex

A privacy focused browser extension to eliminate time spent bookmarking, re-googling or copy-pasting notes into scattered docs. 🔍 Full-text search your web...
- Because Memex annotation and search features are completely free for private use (as opposed to lifetime 100 in Diigo). Also, the annotations have a much better UX than Diigo. No other Annotation tool exists that allows users to create unlimited free annotations, and protects their privacy through offline-first approaches. CaptainFuture • Sep 2018 • 1 agrees and 0 disagrees
- Provides full text search over not just bookmarks but history as well. poltak • Sep 2018 • 2 agrees and 0 disagrees
- Totally free, works intuitively and gives me a bunch of other ways to organize and re-find articles and quotes that are useful to me. Guest • Sep 2018
- Fast, doesn't get in the way, requires minimal interraction yet powerful. Guest • Sep 2018
- Makes student life much easier. Guest • Sep 2018
Freemium $ $ $ Open Source Web Android iPhone Android Tablet iPad ... Vivaldi Browser Chrome Brave Firefox
Website annotation Bookmark organization Full text search Android Sync ... Annotation of Web content Bookmarks Google Chrome Extensions Cloud sync Content Filtering Diigo import Firefox Extensions Local Storage No registration required Works Offline Persistent History Robust Tagging Text annotation Text collections Visual bookmarks Add a feature

42 Like
Hypothes.is

Annotate with anyone, anywhere Our mission is to bring a new layer to the web. Use Hypothes.is to discuss, collaborate, organize your research, or take personal notes.
- It is an open source software for highlighing, commenting and discussion. All the annotations can be freely shared. This comes in handy when reading research articles online. Diigo's highlight feature is good but is limited in number in the free version Guest • Jun 2018 • 1 agrees and 0 disagrees
Free Open Source Web Chrome Firefox
Ad-free Google Chrome Extensions Notetaking Text Highlighting ... Web-Based Website annotation Add a feature

37 Like
Shaarli

Shaarli is a minimalist link sharing software you can install on your own website.

Free Open Source Mac Windows Linux Web Self-Hosted ... Cloudron
Bookmarklets Google Chrome Extensions Firefox Extensions MarkDown support ... Social Bookmarking Add a feature

71 Like
ScrapBook

ScrapBook is a Firefox extension, which helps you to save Web pages and manage the collection. Key features are lightness, speed, accuracy and multi-language support....
- Discontinued
  The extension is not compatible with Firefox 57. It still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/
Free Open Source Mac Windows Linux Waterfox Firefox
Google Chrome Extensions File-organization Save web page for offline use Visual Organization ... Firefox Extensions Legacy Firefox Addon Notetaking Web clipper Add a feature

86 Like
SemanticScuttle

SemanticScuttle is a self-hosted and web-based social bookmarking tool experimenting with new features like structured tags and collaborative descriptions of tags....
- Discontinued
  The project is no longer developed. Last version, 0.98.5, released in March 2013, can be still downloaded from SourceForge.
Free Open Source Mac Windows Linux Web Self-Hosted ... Firefox
Firefox Extensions Social Bookmarking Web-Based Add a feature

43 Like
Notes by Firefox

Simple, secure notepad extension that now comes with a companion app for Android. Sign in with your Firefox Account to access, edit, or delete notes, and your notes will...

Free Open Source Android Firefox
Cloud sync Android Sync Browser extension Encrypted Notes ... End-to-End Encryption Firefox Extensions Notetaking Works Offline Privacy focused Text formatting To-Do management Todos Add a feature

11 Like
Buku

Buku - Powerful command-line bookmark manager. Your mini web! Buku is written in Python3 and SQLite3. It is a flexible cmdline solution with a private, portable...

Free Open Source Mac Windows Linux
Bookmarks Add a feature

11 Like
Bookmark Sidebar

Adds a toggleable sidebar with all your bookmarks at the edge of your browser window.

Free Open Source Web Chrome
Bookmarks Google Chrome Extensions Sidebar Add a feature

9 Like
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Scroll, Quill & INK

Fast and portable note editor. Supports: Mardown format, HTML previews, tagging, favorites, searching, Dropbox and Google Drive synchronization, embedded photos.

Free Open Source Mac Windows Linux
Sync with Dropbox Favorites Sync with Google Drive Notetaking ... Portable Tagging Add a feature

8 Like
Digimarks

Simple bookmarking service, using a SQLite database to store bookmarks, supporting tags and automatic title fetching.

Free Open Source Self-Hosted GitHub
Bookmarks Add a feature

4 Like

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Alternatives to Diigo for all platforms with Open Source License

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