Sum It Up
A micro bookmarker & multicolor highlighter for note keeping
Competitors & alternatives
LINER Browser Extension
The all-new highlighter pen for the internet
Show HN: PaperMono, e-ink fridge magnet shopping list with mobile web page
Fridge magnet shopping list on an M5Stack PaperMono (ESP32-S3, e-ink touchscreen), synced with a phone web app over Wi-…
minimarks
Compact bookmark manager for teams and web enthusiasts
Web Highlighter
Annotate and discuss web pages in real time.
LINER for Chrome
Highlight everything! From Wikipedia to PDF files