MinIO is a high-performance, S3-compatible object storage server for building private cloud storage, data lakes, and scalable storage backends for applications.

61.4k stars7.8k forksAGPL-3.0last commit Slowing down
Distributed, end-to-end encrypted cloud object storage service providing S3-compatible APIs. Uses a decentralized network of storage nodes to store and retrieve objects; suitable for backup, media, and application storage with client-side encryption.
MinIO is a high-performance, S3-compatible object storage server for building private cloud storage, data lakes, and scalable storage backends for applications.

61.4k stars7.8k forksAGPL-3.0last commit Slowing down
SeaweedFS is a fast distributed storage system providing blob, file, and S3-compatible object storage with optional filer, replication, and erasure coding.

34.3k stars3k forksApache-2.0last commit Actively maintained
Garage is a lightweight, S3-compatible distributed object storage service built for small-to-medium self-hosted, geo-distributed deployments with strong resilience.

4.4k stars171 forksAGPL-3.0last commit Actively maintained
Open-source Node.js server implementing the Amazon S3 API, enabling local S3 emulation and a unified object storage interface across multiple backends and clouds.

1.9k stars259 forksApache-2.0last commit Actively maintained
Garage is a lightweight, operator-friendly, S3-compatible distributed object storage system designed for small-to-medium self-hosted clusters across multiple sites.

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Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 3 of 5 shipped a commit in the last six months. Licences in this list: AGPL-3.0, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Storage Services (File/Object).