We're using Evernote for business, and it's awesome. It integrates with most software out of the box (Insightly and dropbox), or through IFTTT (Google drive). I

We're using Evernote for business, and it's awesome. It integrates with most software out of the box (Insightly and dropbox), or through IFTTT (Google drive). If it's not on IFTTT you can always use Zapier (for Trello, for instance).