Backblaze B2 Cloud Storage

Backblaze B2 is an S3-compatible, object storage service renowned for its low cost and simplicity. Priced significantly lower than major competitors, it's designed as a backend for apps, websites, and backup solutions (like Duplicati, Arq). It offers a free tier and predictable pricing. Targeted at developers, IT professionals, and companies needing affordable bulk or archival storage.

Its high score is due to its disruptive pricing, reliability, and excellent performance as a cost-effective building block for digital services.