Life & fun · alternatives · 2026

Sia is a decentralized cloud storage platform that offers an alternative to Amazon S3. It enables users to rent out unused hard drive space on their computers to the network while simultaneously purchasing storage from… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Sia, a User-Owned Amazon S3 Challenger launched in 2017; newer entries below may have overtaken it.

1. 1
   Sia▲159

   Decentralized storage on the blockchain

   2017 · siacoin.com · its alternatives →

2. 2
   SILO▲8

   Secure, decentralized, and eco-friendly cloud storage

   2025 · silos3.com · its alternatives →

3. 3SC
   S3io.com – using Amazon S3 for personal storage▲40

   2016 · s3io.com · its alternatives →

4. 4
   Sia▲13

   Decentralized storage on the blockchain

   2015 · siacoin.com · its alternatives →

5. 5
   Relica – Cross-platform local, remote, and multi-cloud file backups▲132

   Immutable cloud storage with multi-cloud redundancy. Zero-knowledge encryption, unlimited devices. Built on restic — no vendor lock-in. From $5/month.

   2018 · relicabackup.com · its alternatives →

6. 6
   Sia▲9

   Decentralised p2p storage network

   2025 · sia.tech · its alternatives →

7. 7
   CloudMounter▲261

   Mount cloud storage as local drive on Mac

   2016 · apps.apple.com · its alternatives →

8. 8
   Zfs.rent▲403

   Colocate your own 3.5" SAS/SATA hard drives in a Tier 2 datacenter!Eliminate data transfer costs by shipping drives directly!

   2020 · zfs.rent · its alternatives →

9. 9
   TinyStorage▲178

   A Modern GUI For S3

   2025 · tinybrief.app · its alternatives →

10. 10
    Silo – S3-compatible object storage, a maintained fork of MinIO▲22

    S3-compatible object storage, forked from MinIO and maintained by the Pigsty community: versioned releases, signed packages, the full web console, and security fixes with public advisories.

    Aug 2026 · silo.pgsty.com · its alternatives →

11. 11
    Bitcasa▲75

    Free up disk space with system-integrated cloud storage

    2014 · its alternatives →

12. 12
    ILLA Drive▲194

    CDN that provides faster & better global content delivery

    2023 · its alternatives →

13. 13
    CloudMounter for Mac 4.0▲144

    Cloud drives mounted locally on your macOS desktop

    2023 · cloudmounter.net · its alternatives →

14. 14
    3Box▲100

    Secure, private, decentralized user data storage

    2019 · 3box.io · its alternatives →

15. 15
    Decentralized File Sharing▲5

    Free file sharing service built on top of the SIA Blockchain

    2017 · its alternatives →

16. 16
    ZeroFS – A log-structured filesystem for S3▲128

    ZeroFS serves S3-compatible buckets as POSIX filesystems over NFS and 9P, or as raw block devices over NBD. Data is compressed and encrypted before upload.

    Jul 2026 · zerofs.net · its alternatives →

17. 17SP
    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 · its alternatives →

18. 18
    Silo▲96

    A remarkably simple one-touch connected vacuum system 🥑

    2018 · kickstarter.com · its alternatives →

19. 19
    CloudMounter for Mac 3.8▲131

    Ultimate cloud storage manager with native M1 support

    2021 · cloudmounter.net · its alternatives →

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

    A tile server for WSI stored in S3-compatible object storage. - PABannier/WSIStreamer

    Jan 2026 · github.com · its alternatives →

21. 21
    Exoscale▲64

    VMs and object storage for cloud native applications.

    2016 · exoscale.com · its alternatives →

22. 22
    Hoistbayfree▲194

    Open-source desktop app for Amazon S3 and CloudFront

    15d ago · hoistbay.app · its alternatives →

23. 23
    Minio – S3 Compatible Object Storage▲49

    MinIO is a high-performance, S3 compatible object store, open sourced under GNU AGPLv3 license. - minio/minio

    2016 · github.com · its alternatives →

24. 24
    Siodb DataHub▲59

    Serverless collaborative data storage through REST API

    2021 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →