Dropbox is a cloud storage service that lets you save files online and access them from any device.
SugarCRM is a SaaS (Software As Service) that includes sales-force automation, marketing campaigns, customer support, collaboration, and reporting.
Salesforce is a SaaS (Software As Service) that allows businesses to use cloud technology to connect with customers, partners, and potential customers.
HubSpot is Saas (Software As Service) that provides tools for customer relationship management (CRM), social media marketing, content management, web analytics, and landing pages.
OneDrive is the Microsoft cloud service that lets you store files, share them with others, and access them from any device.