There are many free tools available to save web pages and online content. Here are just a few that you might find useful.
Pocket saves articles, videos and images from the web to read later and even offline. Pocket is available on many platforms and is also integrated into Firefox.
Instapaper saves webpages on any device to read later. Instapaper syncs across devices and allows you to read offline. Also includes notes and highlighting feature.
Evernote is a mobile app designed for note taking, organising and creating lists. The Webclipper browser extension allows users to caputure and save online information. Evernote has cloud storage and auto-syncs across devices.
Flipboard collects articles, videos, images and more for users to read later in magazine form. It is available on multiple platforms and can be accessed from a browser button and extension on Chrome.
Trello creates boards, lists, and cards to enable you to organise, prioritise and share your projects in a fun and flexible way. Trello is available of multiple platforms and syncs across devices.