Topics / #s3

S3 projects on GitHub

Object storage systems compatible with the S3 API

As of , the most-starred S3 projects on GitHub are localstack (65.1K stars), minio (61.3K stars) and rclone (60.4K stars). GitHub.Locker tracks 67 S3 repositories with 1M stars combined. The fastest-growing on October 16 was celld, with +68 stars in a day.

67Projects
1MStars in total
+725Stars in a day
Browse in the catalog →github.com/topics/s3 ↗

Hot right now

Most stars gained in a day · Oct 16

+68

celld

denoland/celld · ★ 5.8K

celld is an open-source daemon that lets you self-host a Cloudflare Workers application (Workers, Durable Objects, KV, Queues, D1, R2, Workflows, Cron Triggers, static assets) on your own machines instead of on Cloudflare's network, deployed straight from your existing wrangler.json.

+62

LibreChat

LibreChat-AI/LibreChat · ★ 45.8K

LibreChat is a self-hosted AI chat platform that unifies all major AI providers (OpenAI, Anthropic, Google, AWS Bedrock, Azure, Mistral, OpenRouter and more) in a single ChatGPT-like interface, with Agents, MCP support, Code Interpreter and Artifacts built in.

+62

git-ai

feder-cr/git-ai · ★ 1.1K

openscion is an open-source, MIT-licensed reimplementation of Scion, the server-centric version control system Anthropic built internally for coding agents but never released publicly.

+49

rustfs

rustfs/rustfs · ★ 35K

An open-source, high-performance distributed object storage system written in Rust. It speaks the S3 API, is optimized for data lakes, AI and big data workloads, and supports migration and coexistence with MinIO and Ceph.

The all-time top

67 projects · by stars

  1. #1 · localstack/localstack

    localstack

    LocalStack is a cloud service emulator that runs AWS services like Lambda, S3, DynamoDB, Kinesis, SQS and SNS entirely on your local machine or CI environment, so you can develop and test cloud apps without hitting a real AWS account.

    65.1K
  2. #2 · minio/minio

    minio

    MinIO is a high-performance, S3-compatible object storage server, built to power AI/ML, analytics, and other data-intensive workloads.

    61.3K
  3. #3 · rclone/rclone

    rclone

    Rclone is a command-line program that syncs files and directories to and from dozens of different cloud storage providers, like an 'rsync for the cloud'.

    60.4K
  1. 4

    serviette

    58.8Kpathwaycom/serviette · Python

    This repo provides ready-to-run cloud templates for RAG pipelines, AI pipelines, and enterprise search, built on the Pathway Live Data Framework and kept in sync with live data sources.

  2. 5

    alist

    50.3KAlistGo/alist · Go

    Alist is a self-hosted file list and WebDAV program that lets you browse and manage files stored across dozens of different cloud storage providers through one unified web interface.

  3. 6

    LibreChat

    45.8KLibreChat-AI/LibreChat · TypeScript

    LibreChat is a self-hosted AI chat platform that unifies all major AI providers (OpenAI, Anthropic, Google, AWS Bedrock, Azure, Mistral, OpenRouter and more) in a single ChatGPT-like interface, with Agents, MCP support, Code Interpreter and Artifacts built in.

  4. 7

    seaweedfs

    35.5Kseaweedfs/seaweedfs · Go

    SeaweedFS is a distributed storage system that serves billions of small and large files with O(1) disk access, exposing the same data as an S3 object store, a POSIX file system, and an Iceberg/Lance data lakehouse through one binary.

  5. 8

    rustfs

    35Krustfs/rustfs · Rust

    An open-source, high-performance distributed object storage system written in Rust. It speaks the S3 API, is optimized for data lakes, AI and big data workloads, and supports migration and coexistence with MinIO and Ceph.

  6. 9

    remix

    33.4Kremix-run/remix · TypeScript

    Remix 3 is a full-stack web framework built directly on Web APIs (Streams, Fetch, Web Crypto) rather than bundler-specific abstractions, distributed as one umbrella 'remix' package made of many standalone JS/TS tools.

  7. 10

    uppy

    31Ktransloadit/uppy · TypeScript

    Uppy is a sleek, modular JavaScript file uploader for web browsers: it picks files from disk, webcam or cloud services, previews them and uploads to your backend, with optional processing afterwards.

  8. 11

    cloudreve

    28.8Kcloudreve/cloudreve · Go

    Cloudreve is a self-hosted file management and sharing system: you run it on your own server and get a personal or team cloud drive that can store files across many storage providers.

  9. 12

    PicGo

    27.4KMolunerfinn/PicGo · TypeScript

    A free, open-source desktop image uploader: drag, paste or hotkey an image, PicGo uploads it to your image host (GitHub, Imgur, Aliyun OSS and 60+ others) and automatically copies the link — built for people writing blogs, notes and docs.

  10. 13

    floci

    26.9Kfloci-io/floci · Java

    Floci is a free, open-source local AWS emulator: it serves AWS-compatible APIs — S3, SQS, DynamoDB, Lambda, ECS and many more — from your own machine for development, testing, and CI, with no cloud account, auth token, or paid feature gates.

  11. 14

    OpenList

    25.1KOpenListTeam/OpenList · Go

    OpenList is a self-hosted file-listing and sharing server, built as a community-driven fork of AList, that lets you browse, preview, and share files from dozens of cloud storage providers through one unified web interface.

  12. 15

    openobserve

    22.4Kopenobserve/openobserve · TypeScript

    OpenObserve is an open-source, cloud-native observability platform for logs, metrics, traces, frontend monitoring (RUM), session replay and AI/LLM observability — a cost-effective alternative to Datadog, Splunk and Elasticsearch.

  13. 16

    airbyte

    22.2Kairbytehq/airbyte · Python

    Airbyte is an open-source data movement platform for ELT pipelines and AI agents: it moves data from APIs, databases, and files into warehouses, data lakes, and AI applications, backed by a catalog of 600+ connectors. You can run it self-hosted or as Airbyte Cloud.

  14. 17

    eladmin

    21.9Kelunez/eladmin · Java

    ELADMIN is an open-source, front-end/back-end separated admin management system built on Spring Boot 2.7.18, JPA, Spring Security, JWT, Redis and Vue — a base system that handles users, roles, menus and permissions for your own business apps.

  15. 18

    olmocr

    19.8Kallenai/olmocr · Python

    olmOCR is a toolkit that converts PDFs, PNGs, and JPEGs into clean Markdown or plain text with natural reading order, preserving equations, tables, and handwriting - built primarily to produce training datasets for LLMs.

  16. 19

    docuseal

    18.7Kdocusealco/docuseal · Ruby

    DocuSeal is an open source DocuSign alternative: a web platform for digital document signing. You build PDF forms, send them out, and get them filled and signed online on any device.

  17. 20

    ceph

    17.1Kceph/ceph · C++

    Ceph is an open-source distributed storage platform: it pools a cluster of servers into one scalable storage system that serves object, block, and file storage at the same time.

  18. 21

    cvat

    16.9Kcvat-ai/cvat · Python

    CVAT is an open-source, self-hosted data annotation platform for building labeled datasets from images, video, and 3D point clouds, used for computer vision and visual AI projects.

  19. 22

    filestash

    14.8Kmickael-kerjean/filestash · Go

    Filestash is a storage-agnostic, Dropbox-like file manager that speaks nearly every storage protocol (S3, FTP, SFTP, WebDAV, SMB, NFS, Git, IPFS, Dropbox, Azure, SharePoint and more), so you get one file browser for all your backends.

  20. 23

    waoowaoo

    14.6KwaooAI/waoowaoo · TypeScript

    It's an AI Agent platform for controllable film and video production, from short clips to live-action style content, built as a creative workspace where you develop ideas with an AI Assistant, upload references, and generate and organize images and videos on a canvas.

  21. 24

    juicefs

    14.5Kjuicedata/juicefs · Go

    JuiceFS is a distributed POSIX file system that stores data in object storage (like S3) and metadata in a database engine (like Redis), letting you use massive cloud storage as if it were a local disk.

  22. 25

    litestream

    14.5Kbenbjohnson/litestream · Go

    Litestream is a standalone disaster recovery tool for SQLite: a background process that safely replicates database changes incrementally so you can recover after a failure.

  23. 26

    kopia

    14.4Kkopia/kopia · Go

    Kopia is an open-source backup and restore tool that creates encrypted, compressed, deduplicated snapshots of your files and directories and saves them to remote, cloud, network-attached, or local storage.

  24. 27

    thanos

    14.2Kthanos-io/thanos · Go

    Thanos is a set of components that turn existing Prometheus deployments into a highly available metric system with unlimited storage capacity. It is a CNCF Incubating project written in Go.

  25. 28

    awesome-aws

    14.2Kdonnemartin/awesome-aws · Python

    Awesome AWS is a curated list of AWS resources - official and community SDKs, CLI tools, open source repos, guides, books, blogs, and training material - organized by language and AWS service.

  26. 29

    emdash

    13.7Kemdash-cms/emdash · TypeScript

    EmDash is a full-stack TypeScript CMS built on Astro and Cloudflare, meant as a modern, type-safe successor to WordPress with a sandboxed plugin system.

  27. 30

    flysystem

    13.6Kthephpleague/flysystem · PHP

    Flysystem is a file storage library for PHP. It gives you one interface to many filesystems, local or remote, so your code is not locked to a single storage vendor.

  28. 31

    send

    13.2Kmozilla/send · FreeMarker

    Firefox Send is a file sharing experiment from Mozilla (the makers of Firefox) that lets you send encrypted files to other users. Note that Mozilla shut the hosted service down and archived this repository.

  29. 32

    InsForge

    13.1KInsForge/InsForge · TypeScript

    InsForge is an all-in-one, open-source backend platform built for coding agents: it gives agents database, auth, storage, compute, hosting, and an AI gateway so they can ship full-stack apps end-to-end without a human wiring up the backend.

  30. 33

    hydradb

    13.1Khydra-db/hydradb · Rust

    HydraDB is an object-store-native distributed graph database written in Rust: the graph lives in S3-compatible storage, queried over OpenCypher with Neo4j-compatible Bolt connectivity and an HTTPS JSON/NDJSON API.

  31. 34

    obsidian-livesync

    12.7Kvrtmrz/obsidian-livesync · TypeScript

    Self-hosted LiveSync is a community-developed Obsidian plugin that synchronises your notes across devices using your own CouchDB or S3-compatible object storage server, or directly between devices via WebRTC peer-to-peer.

  32. 35

    sftpgo

    12.7Kdrakkan/sftpgo · Go

    SFTPGo is a self-hosted, event-driven file transfer server that speaks SFTP, HTTP/S, FTP/S and WebDAV, and can store files on local disk, encrypted local disk, S3, Google Cloud Storage, Azure Blob Storage, or even another SFTP server.

  33. 36

    LMCache

    12.1KLMCache/LMCache · Python

    LMCache is a KV cache management layer for LLM inference that turns the KV cache from a temporary, per-process state into reusable, persistent 'AI-native knowledge' that can be shared across serving engines, reducing time-to-first-token and boosting throughput for long-context, multi-turn, and RAG workloads.

  34. 37

    cloudflare_temp_email

    12Kdreamhunter2333/cloudflare_temp_email · TypeScript

    A self-hosted temporary email service built on Cloudflare's free tier: create disposable email addresses on your own domain, receive mail (with attachments), send mail via SMTP/Resend, and manage everything through a modern web UI, Telegram bot, or admin console.

  35. 38

    leantime

    11.8KLeantime/leantime · PHP

    Leantime is an open-source project management system aimed at non-project managers, combining task management, planning, and knowledge tools in one place. It positions itself as simple as Trello but as feature-rich as Jira, and is explicitly designed with ADHD, dyslexia, and autism in mind.

  36. 39

    automq

    10.9KAutoMQ/automq · Java

    AutoMQ is a diskless, stateless fork of Apache Kafka that stores all log data on S3 or S3-compatible object storage instead of local disks, cutting cloud costs by up to 10x and removing cross-AZ traffic fees.

  37. 40

    nasiko

    9.5KNasiko-Labs/nasiko · Rust

    Nasiko is a single control-plane server that deploys, routes, secures, and observes AI agents built on the A2A protocol, acting as the one checkpoint every agent-to-agent call passes through.

  38. 41

    openshorts

    6.7Kmutonby/openshorts · Python

    OpenShorts is an open source AI video platform that turns long videos into viral 9:16 shorts, generates AI UGC marketing videos with virtual actors, and provides free YouTube publishing tools, available self-hosted (free, MIT) or as a paid cloud service.

  39. 42

    celld

    5.8Kdenoland/celld · Rust

    celld is an open-source daemon that lets you self-host a Cloudflare Workers application (Workers, Durable Objects, KV, Queues, D1, R2, Workflows, Cron Triggers, static assets) on your own machines instead of on Cloudflare's network, deployed straight from your existing wrangler.json.

  40. 43

    skillhub

    5.2Kiflytek/skillhub · Java

    SkillHub is a self-hosted, open-source agent skill registry that lets enterprises publish, version, and govern reusable agent skill packages behind their own firewall.

  41. 44

    ministack

    5Kministackorg/ministack · Python

    MiniStack is a free, open-source local emulator for AWS that lets you run over 60 AWS services on your machine for development and testing.

  42. 45

    nodewarden

    3.9Kshuaiplus/nodewarden · TypeScript

    NodeWarden is a self-hosted, Bitwarden-compatible password manager server that runs entirely on Cloudflare Workers, letting you sync vaults, attachments and TOTP codes with standard Bitwarden clients without renting a VPS.

  43. 46

    walgit

    2.6Ktobi/walgit · Rust

    walgit is a single-binary git server that stores every repository as a write-ahead log in an S3 or GCS bucket instead of a database. It implements smart HTTP git (v0/v2), bundle-uri clones, Git LFS, a web browsing UI, and a JSON API with an SDK, and it can scale to repositories larger than the machine running it.

  44. 47

    hotdata-cli

    1.8Khotdata-dev/hotdata-cli · Rust

    Hotdata CLI is a command-line client that lets you query, search, and join data from one place — external databases, APIs, cloud storage, Iceberg catalogs, and uploaded files — using plain SQL and a handful of commands.

  45. 48

    omnigraph

    1.3KModernRelay/omnigraph · Rust

    Omnigraph is a lakehouse-native graph database that acts as the operational state and coordination layer for fleets of AI agents, combining graph traversal, vector search, and full-text search with Git-style branching so many agents can enrich a shared knowledge graph safely.

  46. 49

    kache

    1.2Kkunobi-ninja/kache · Rust

    Kache is a compiler cache for Rust, C/C++, and CUDA. It keys every build by the content of its inputs, so code compiled once is restored instead of rebuilt in your next worktree, branch, or CI run.

  47. 50

    artcraft-services

    1.2Kstorytold/artcraft-services · Rust

    This is the backend, HTTP API, background workers, and web frontends for ArtCraft, an AI generation platform that creates images, video, audio, meshes, and splats.

  48. 51

    git-ai

    1.1Kfeder-cr/git-ai · Go

    openscion is an open-source, MIT-licensed reimplementation of Scion, the server-centric version control system Anthropic built internally for coding agents but never released publicly.

  49. 52

    creator-agent

    905yvetteYSY/creator-agent · TypeScript

    Creator Agent is a platform for building an AI agent grounded in a creator's own documents, audio, and video, so an audience can ask it questions and get source-cited answers from that content.

  50. 53

    jevbox

    727extend-hq/jevbox · TypeScript

    Jevbox is a full stack, permission-aware document library you self-host, with a spatial file browser, organization-wide sharing, hierarchical search, and source-grounded AI chat over your documents.

  51. 54

    mr-boxington

    517jdx/mr-boxington · Rust

    mbx is a build cache for Rust projects. Cargo still resolves dependencies, plans builds and runs your tools; mbx restores matching compiler outputs from one shared store and only compiles the rest.

  52. 55

    gat

    487getgat-dev/gat · Rust

    gat is a simple, fast, versioned large-file storage tool for git: point it at S3, Azure Blob, GCS, or a plain directory, and your normal git add/commit/push/pull/clone commands keep working as before for large files.

  53. 56

    slashdocs

    380razorpay/slashdocs · Go

    slashdocs is a collaborative workspace where AI agents publish rich, self-contained HTML documents (reports, specs, dashboards, diagrams) and humans review them in the browser with anchored comments and versions.

  54. 57

    picomq

    373PicoMQ/picomq · Rust

    PicoMQ is a durable, real-time streaming system that stores its data on S3-compatible object storage instead of local disks, while speaking both a native HTTP protocol and the Kafka wire protocol.

  55. 58

    bookshelf

    372murerkinn/bookshelf · TypeScript

    Bookshelf is a self-hosted library for ebooks you already own. You put EPUBs and PDFs in a folder, publish them, and read them in a browser or on a Kobo via the OPDS catalog.

  56. 59

    Prism-Legal-OS

    334FuturixAI-and-Quantum-Works/Prism-Legal-OS · TypeScript

    Prism is an open-source legal OS for contract drafting, review, legal research, and litigation management, with an AI assistant called Luna built in.

  57. 60

    Trenova

    330emoss08/Trenova · Go

    Trenova is an open-source (Fair Source) Transportation Management System for small and mid-sized US trucking carriers, covering the full order-to-cash cycle: shipment entry, dispatch, rating, billing, accounting, EDI, and FMCSA compliance.

  58. 61

    lightspeed

    262smartcomputer-ai/lightspeed · Rust

    Lightspeed is open-source infrastructure for running fleets of AI agents as durable workflows: agent sessions survive restarts, can run for weeks to months, and stay cheap when idle, borrowing a real machine only when a task needs one.

  59. 62

    DoulorCloud

    235Doulor/DoulorCloud · TypeScript

    Doulor Cloud is a self-hosted, all-in-one cloud resource distribution platform: each user gets a subdomain, a domain email address, R2-backed direct-link file storage, a personal Bento-style profile page, and access to a shared AI API relay, all running on a static frontend plus Cloudflare Workers with no persistent server.

  60. 63

    artifact-server

    215plannotator/artifact-server · TypeScript

    Artifact Server is an open-source, self-hostable alternative to Claude Code's artifacts feature. It gives people and AI agents one place to publish, review, comment on, version, and share artifacts (HTML, images, video, code) created while building products, with a built-in MCP server for direct agent access.

  61. 64

    crab

    155crabbuild/crab · Rust

    Crab is a Git extension that keeps large files like models, datasets, media, and build artifacts out of ordinary Git blobs. Git stores small pointer files while Crab stores the real content as deduplicated chunks in an S3, GCS, Azure, or S3-compatible bucket you own.

  62. 65

    full-stack-data-engineering

    145schumannx/full-stack-data-engineering · Python

    A full reference implementation of a streaming data warehouse on AWS: playback events flow from Kafka into a five-zone S3 Iceberg lake, get modeled with Kimball dimensional design, and are served through Athena SQL and HTML reports, all orchestrated by self-hosted Apache Airflow 3.

  63. 66

    objgit

    141tigrisdata/objgit · Go

    objgit is an experiment: a Git server that keeps repositories in object storage (Tigris) instead of on a local disk. The author calls it a proof of concept that you probably don't need yet.

  64. 67

    walgithub

    134rgodha24/walgithub · Rust

    walgit is a self-hosted git server that runs as a single binary in front of an S3 or GCS bucket instead of a database or local disk. The bucket is the repository, and every running instance is just a disposable cache, so you can add or kill servers without coordination.

Often tagged together