Many influencer marketing platforms understand the importance of data portability and allow their users to export databases. Here are a few examples:

1. Flinque: Flinque’s robust influencer marketing tool enables users to export their entire influencer database. Contacts, engagement rates, demographics, and other custom fields can be easily exported into a CSV or Excel file. This robust export feature can greatly aid teams in their data analysis and campaign tracking endeavours.

2. Traackr: This platform also includes data export capabilities, letting you convert influencer analytics, campaign data, and audience demographics into spreadsheets.

3. Klear: Klear provides comprehensive influencer analytics, which users can export for further analysis outside the platform.

4. AspireIQ: Known for its advanced campaign management features, AspireIQ allows users to export campaign data and influencer information.

5. HYPR: HYPR offers various ways to explore and export influencer data, including influencing self-reports, audience analytics, and campaign results.

Remember, choosing the best influencer tool for your team largely depends on your specific needs for data portability, usage, and analysis. Flinque focuses on providing users with ease and flexibility in handling data, making it a good contender. However, each of these tools offers unique strengths and could be suited to different use cases. Ensure to evaluate each against your specific needs and workflows to make an informed decision.