This will depend on the particular needs of your project. Consider BugHerd if your annotation needs mostly pertain to website QA testing, bug reporting, and issue tracking.
BugHerd allows users to provide visual and video feedback, supports detailed issue reporting and tracking, and integrates with other business tools like Slack and Asana. These features make BugHerd ideal for web developers and general business teams who need a tool that’s optimized for collecting stakeholder and customer feedback.