BitBulb

BitBulb

BitBulb is an open-source alternative to web annotation tools like Hypothes.is and Genius. It allows users to highlight, annotate, and comment on webpages to engage with online content. Useful for collaboration, research, and online discussions.
Online Services Annotation & Collaboration
opensource web-annotation highlighting collaboration
BitBulb alternatives ➤

BitBulb: Open-Source Web Annotation Tool

Open-source alternative to Hypothes.is and Genius, BitBulb enables users to annotate webpages for collaboration, research, and online discussions.

What is BitBulb?

BitBulb is an open-source web annotation browser extension that allows users to highlight, annotate, and comment on webpages to engage more deeply with online content. It serves as an alternative to proprietary tools like Hypothes.is and Genius.

Some key features of BitBulb include:

  • Adding highlights, text notes, comments, and questions to webpage content
  • Annotations are public by default, allowing for collaboration
  • Ability to create private/unlisted annotations
  • Support for annotating PDFs and ePub ebooks in addition to webpages
  • Web clipper to save annotated pages to access later offline
  • Available as a browser extension for Chrome, Firefox, and Edge

As an open-source project under an MIT license, BitBulb places no restrictions on modifying or distributing the software. This makes BitBulb useful for a variety of purposes - collaborating with colleagues, enabling discussions for students, conducting research, annotating literature, engaging deeper with online content, and more. Its simple, intuitive interface makes it easy for anyone to highlight, annotate, and build on existing ideas.

BitBulb Features

Features

  1. Web annotation
  2. Highlighting and commenting on webpages
  3. Sharing annotations publicly or privately
  4. Chrome and Firefox browser extensions
  5. Mobile apps for iOS and Android
  6. Integration with Hypothes.is
  7. Open source and self-hosted options

Pricing

  • Open Source
  • Freemium

Pros

Free and open source

Customizable and hackable

Active development community

BYOD (bring your own data) model

Granular privacy controls

Cons

Limited adoption so far

Mobile apps lack some features

No browser extension for Safari

Self-hosting requires technical skills

Official Links

Official Website
https://BitBulb.io

The Best BitBulb Alternatives

Top Online Services and Annotation & Collaboration and other similar apps like BitBulb

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