Liner is a web-based application that helps users create and manage online content. It provides a platform for users to organize and curate web content, such as images, videos, and articles. The app allows users to easily create and curate their own content library that can be shared with others. With Liner, users can organize content into collections, add tags and keywords, and create custom collections with personal notes. Additionally, it provides features such as full-text search, bookmarking, and export options. With its simple and intuitive interface, Liner makes it easy for users to find the content they need quickly and easily.
Mostly free with unlimited highlights
Because it gives the user a great highlighting experience on the web. Also, use your highlights to summarize the content.
Instapaper
lumio
Hypothes.is
Genius
scrible
Kjuicer
Highly
Pull - Design Your Post With Style and Share
Genius.it Web Annotator
Snippet
Juntoo
Marker.to
Discontinued Lumio was discontinued in November 2018, message posted on 03-09-2018.