The alternatives
minio
MinIO is a high-performance, S3 compatible object store, open sourced under GNU AGPLv3 license.
minio/minio Updated 2026-04-24 seaweedfs
SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.
seaweedfs/seaweedfs Updated 2026-05-01 Comparison notes
OSS alternatives typically require self-hosting and operational effort in exchange for predictable cost and full data control. Feature parity varies — evaluate each option against your specific workflow before committing.
Migration tips
- Export data from the SaaS before migration (most provide CSV/JSON exports)
- Pilot the OSS alternative with a subset of your team before full rollout
- Budget for self-hosting infrastructure and maintenance time
FAQ
Can I fully replace Cloudflare R2 with an OSS tool?
Feature parity varies. Most OSS alternatives cover 70-90% of core workflows, but may lack polish, integrations, or specialized features. Pilot the alternative with a subset of your team before fully committing.
What's the cost of self-hosting?
Plan for ~$5-50/month in VPS costs (DigitalOcean, Hetzner, etc.) plus 2-8 hours/month in maintenance. For a team of 20+, self-hosting usually breaks even against SaaS pricing within 6-12 months.
Which alternative should I pick?
Sort by GitHub stars (a proxy for community health), check the last-pushed date (avoid unmaintained projects), and read recent issues to gauge responsiveness.