5 Best Open Source Cloudflare R2 Alternatives
A curated collection of the 5 best open source and self-hosted alternatives to Cloudflare R2 in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Cloudflare R2 in 2026? The top open-source alternative is MinIO — Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability.
Other highly rated open-source Cloudflare R2 alternatives include Ceph, SlateDB and Storj.
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
Ceph provides unified object, block, and file storage from a single cluster built on commodity hardware.
Ceph provides unified object, block, and file storage from a single cluster built on commodity hardware.
SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.
SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.
Storj offers a distributed cloud storage platform with enhanced security, global performance, and significant cost savings compared to traditional providers.
Storj offers a distributed cloud storage platform with enhanced security, global performance, and significant cost savings compared to traditional providers.
Self-hostable, Apache 2.0-licensed object storage with S3 compatibility, a built-in web console, and horizontal scaling from single node to sharded cluster.
Self-hostable, Apache 2.0-licensed object storage with S3 compatibility, a built-in web console, and horizontal scaling from single node to sharded cluster.
About Cloudflare R2
Object storage service offering S3-compatible API with zero egress fees, global edge locations, and seamless integration for developers building scalable applications.