Pretty Good Bookmarks is described as 'free online bookmark manager. You can use it as a bookmark app to access your favorite links with just one click' and is an app in the Web Browsers category. There are more than 10 alternatives to Pretty Good Bookmarks for a variety of platforms, including Online / Web-based, Google Chrome, Firefox, Safari and Android. The best alternative is Raindrop.io, which is both free and Open Source. Other great apps like Pretty Good Bookmarks are Diigo (Freemium), start.me (Freemium), Instapaper (Freemium) and Tagpacker (Free).
Instapaper is a simple tool to save web pages for reading later. To save web pages for later offline reading: go to Instapaper.com, install the Read Later bookmark, and mark any pages you'd like to read later.
Dropmark is a visual collaboration tool for creative people and teams. Drag and drop to the menu bar app, and your files are automatically uploaded to the cloud. Organize and invite colleagues to view and collaborate privately, or share your content with the world.
Cling is your desk in the cloud. The perfect place for all that matters to you. Keep your content safe, have everything at hand and always stay on top. Organize your notes, to-dos, web-links, photos and files in one single app.