txtpen Alternatives

txtpen has been discontinued. Similar sites and apps include Diigo, which has a free version. Other options are AnnotateWeb. Between them they cover iPhone and iPad.

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txtpen alternatives page was last updated Aug 28, 2025

Diigo
307 likes
Save web resources, annotate pages and PDFs, highlight and add sticky notes, organize collections with Outliner, sync across devices, filter by tags and folders, share with groups, and access advanced search and flexible privacy for individual or collaborative research projects.
141 Diigo alternatives
Cost / License
Freemium
Proprietary
Application typeApplication types
Bookmark Manager
Social Bookmarking
Origin
United States
Platforms
Online
iPhone
iPad
Google Chrome
Safari
Mozilla Firefox
United States
+3
Good alternative?Is Diigo a good alternative to txtpen?
AnnotateWeb
Like
Free website annotation tool for real-time collaboration. No sign-up required.
Cost / License
Free
Proprietary
Application type
Team Collaboration
Origin
Netherlands
EU
Platforms
Online
Netherlands
EU
Good alternative?Is AnnotateWeb a good alternative to txtpen?

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