Evernote can be addictive, especially if you also use it on your mobile devices. The cloud-based note-taking service can become even more useful if you partake of the add-on products from Evernote and third parties. Here are 10 products--hardware and software--that stand out.
The perfect complement to a note-taking app, Penultimate is a handwriting app that seamlessly integrates across multiple platforms--the iPhone, iPad, and Android, plus Windows 8 is rumored. On your tablet, Penultimate lets you write notes, mark up images, and save them into your notebook. One complaint is that it still cannot import PDFs for markup, which would is why some users have defected to Notability. PDF annotation has to be coming soon. When it does, you can sign your mortgage paperwork without having three stacks of documents. Or make notes right on resumes.