S3 GitHub Repositories (2026) · Open Source Tools

RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

"rsync for cloud storage" - Google Drive, S3, Dropbox, Backblaze B2, One Drive, Swift, Hubic, Wasabi, Google Cloud Storage, Azure Blob, Azure Files, Yandex Files

Object-storage native graph database with branching and typed ontology

Ministack: Free, open-source local AWS emulator - 60+ services, Terraform compatible, real databases. Free forever. MIT licensed.

Light, fluffy, and always free - The AWS Local Emulator alternative

AI-Native & Cloud-Native FS: A high-performance file semantic layer for cloud object storage, integrated with high-speed cache. CNCF Sandbox Project.

A fast, keyboard-first database client built with Rust and GPUI.

Zero-copy, content-addressed Rust build cache for Rust, C/C++ and more. No copies, no wasted disk

Open-source, AWS-compatible cloud for bare-metal, edge and on-premise. Run existing AWS CLI, SDK and Terraform workflows against EC2, EBS, S3, VPC, IAM, EKS and RDS on your own servers.

ZeroFS: A log-structured filesystem for S3. ZeroFS serves S3-compatible buckets as POSIX filesystems over NFS and 9P, or as raw block devices over NBD.

:file_folder: Universal File Management Platform (for humans and agents)

SeaweedFS is a distributed storage system for object storage (S3), file systems, Iceberg table buckets, and Lance vector buckets, designed to handle billions of files with O(1) disk access and effortless horizontal scaling.

⚡ High-performance job queue for Bun. SQLite by default, PostgreSQL multi-broker when you scale. DLQ, cron, SQLite S3 backups, and native MCP. No Redis.

A simple to deploy but feature rich S3 object storage server for your filesystem

Parseable is an open source, unified infrastructure observability platform built in Rust on a data lake architecture. It tracks logs, metrics, traces, and events across apps, agents, and systems, reducing storage costs by up to 90% through columnar telemetry compression.

The fastest business intelligence tool for humans and agents.

Write once. Store anywhere.

A library that allows you to easily mock out tests based on AWS infrastructure.

Apache Kafka® compatible broker with S3, PostgreSQL, SQLite, Apache Iceberg and Delta Lake

Streaming replication for SQLite.