HoneyBook - Business management reinvented.
Google Drive - Access and sync your files anywhere
Harlow - Harlow helps freelancers get organized, save time, and look professional with automated invoicing, proposal templates, and much more—all from one centralized hub.
ShareFile - Secure file sharing and sync
Kosmo - Kosmo helps you automate your freelancing business. Including sending invoices, tracking time, managing projects and more.
Dropbox - Online Sync and File Sharing