Alternatives

Products that do what S3Karo does

A Better Way to Manage and Share S3 Storage

1. 1
   S3nding▲98

   The fastest way to upload and share files from S3.

   Feb 2026 · s3nding.nicoandrade.com

2. 2IB
   I built open source file sharing solution using AWS S3▲63

   I created a 100% Open source Company-wide Self-hosted File Sharing Solution for Teams Recently, I wanted to share HD images and video files with my graphic designer. She’s exceptional at her craft but isn’t familiar with AWS S3 So, I got an idea and built this. Github Repo: https://github.com/rohitg00/s3-file-share-for-free Detailed Guide: https://ghumare64.medium.com/i-built-a-company-wide-self-hos...

   2024 · s3-file-share-for-free-35n2u.kinsta.app

3. 3QS
   Query SQLite files stored in S3▲160

   2022 · github.com

4. 4CS
   CallFS – S3-style object store in one Go binary (MIT)▲66

   We started CallFS after yet another late-night “why did the uploads vanish?” incident. Our small team had stitched together rsync, a fragile NFS mount, and an S3 bucket—none of it observable, all of it waiting to bite us. So we wrote a single-process file service in Go that: • Speaks the S3 API (so existing tooling works). • Stores hot data on local disks for speed; cold data can sit in any S3-compatible bucket. • Exposes Prometheus metrics and JSON logs by default, because “what happened?” shouldn’t be guesswork. • Ships as a ~25 MB static binary—no external deps, MIT license. Today it’s…

   2025 · github.com

5. 5ZT
   ZeroFS, the Filesystem That Makes S3 Your Primary Storage▲64

   Sep 2025 · github.com

6. 6ZA
   ZeroFS – A log-structured filesystem for S3▲128

   Jul 2026 · zerofs.net

7. 7SC
   S3io.com – using Amazon S3 for personal storage▲40

   2016 · s3io.com

8. 8
   Filebase▲18

   Fast S3-Compatible Object Storage with Free Egress

   Jun 2026 · filebase.com

9. 9SS
   Streambed – Stream Postgres to Iceberg on S3, Supports Postgres Wire▲129

   May 2026 · github.com

10. 10
    Uploader Window▲285

    Easy File Uploader for your websites and apps

    2018

11. 11
    Vadoo 3.0▲384

    Host, manage & share your HD videos and podcasts

    2022

12. 12SP
    Stop paying for Dropbox/Google Drive, use your own S3 bucket instead▲252

    Last week SWYX nerd-sniped me into building an Open-source Dropbox. Here is Locker: the ultimate open-source Google Drive/box/Dropbox alternative - Provider agnostic (S3, R2, vercel blob, local) - BYOB (Bring your own bucket) - Virtual file system - QMD Search plugin

    Apr 2026 · locker.dev

13. 13AS
    Amazon S3 API Support for Backblaze B2 Cloud Storage Service▲74

    2017 · blog.minio.io

14. 14
    Better Upload▲102

    Simple and easy file uploads for React, use your S3 bucket

    Nov 2025

15. 15
    Drivebase▲98

    Unified file manager for all your cloud storage with E2EE

    Feb 2026 · drivebase.io

16. 16
    TinyStorage▲178

    A Modern GUI For S3

    2025

17. 17GI
    GitHub – I tried to build AWS S3 from scratch▲21

    Over the past few years I’ve been thinking about how I could build SaaS and deploy it on my own infrastructure without needing to use any cloud platforms like AWS or GCP. In this repo I document my progress on building a clone of AWS S3 that functions the same as S3 using an exclusively open-source technology stack.

    2024 · github.com

18. 18
    Compute Manager▲106

    Native macOS app for your AWS console

    2021

19. 19FA
    File0 – An easier way to manage files in serverless apps▲212

    Cmon... I just want to upload a file and make it public on the internet. Now you tell me I need to master bucket policies, ACL, CORS, multipart uploads, content headers, CDN, presigned URLs, and a bunch of other crap? I can't be asked, so I built FILE0. It's for storing files but you don't need to complete an online course.

    2024 · file0.dev

20. 20SG
    Streaming gigabyte medical images from S3 without downloading them▲161

    Jan 2026 · github.com

21. 21
    SandCrab▲152

    Amazon S3 GUI for MacOS

    2024

22. 22
    BeamUp▲140

    Drag-and-drop files straight into your S3

    2025

23. 23WI
    WinCse – Integrating AWS S3 with Windows Explorer▲65

    WinCse is an application that integrates AWS S3 buckets with Windows Explorer. Utilizing WinFsp and the AWS SDK, WinCse allows you to treat S3 buckets as part of your local file system, making file management simpler. The application is currently in development, with plans for additional features and improvements.

    2025 · github.com

24. 24
    SashiDo▲83

    Migrate all Parse files to your own Amazon S3

    2016

Ranked by how close each launch is in meaning, then by votes. Refine with a description →