As an AI language model, I do not have personal opinions. However, I can provide you with the top 10 cloud-based software services based on recent surveys and user reviews that are becoming essential for businesses:

1. Microsoft Office 365 – A suite of cloud-based office and productivity applications

2. Google Workspace – An online collaboration and productivity toolset

3. Salesforce – A customer relationship management (CRM) software platform

4. DocuSign – An electronic signature service

5. Dropbox Business – A cloud-based file sharing and storage solution

6. Amazon Web Services (AWS) – A cloud computing platform

7. Slack – A team communication and collaboration tool

8. Zoom – A cloud-based video conferencing solution

9. HubSpot – An inbound marketing and sales platform

10. Asana – A cloud-based project management and team communication platform.