Highly for Chrome - The highlighter your browser always wanted
Liner - Put simply, Liner is a virtual highlighter. It works on PDFs and webpages in the same way a regular highlighter works on books and magazine clippings. Read more about Liner.
Instapaper - Instapaper is a simple tool to save web pages for reading later.
Relevance Coin - 1 billion free coins to improve relevance on the web
Highlight - "Highlight" physical books through conductive pages 📖✨
LiquidText Ink - A fast, ink based way to review and analyze documents