Dev tools · alternatives · 2026

24 alternatives to S3verify – A Tool to Test for Amazon S3 V4 API Compatibility

S3verify is a testing tool designed to validate whether systems comply with Amazon S3's V4 API specification. It helps developers and engineers verify that their implementations correctly follow S3's authentication and… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. S3verify – A Tool to Test for Amazon S3 V4 API Compatibility launched in 2016; newer entries below may have overtaken it.

1. 1AS
   AWS S3 outage test from across the world▲77

   2015 · pulse.turbobytes.com · its alternatives →

2. 2
   S3nding▲98

   The fastest way to upload and share files from S3.

   Feb 2026 · s3nding.nicoandrade.com · its alternatives →

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

   2016 · s3io.com · its alternatives →

4. 4
   Pare down your S3 Bill; with `du` for AWS S3▲22

   Like `du` but for S3. Contribute to owocki/s3_disk_util development by creating an account on GitHub.

   2016 · github.com · its alternatives →

5. 5AS
   Amazon S3 API Support for Backblaze B2 Cloud Storage Service▲74

   2017 · blog.minio.io · its alternatives →

6. 6
   JSONverify▲92

   A web tool that validates and format JSON objects

   2021 · jsonverify.com · its alternatives →

7. 7
   Serverless logging to S3▲62

   Automated serverless logging to S3 via SQS. Contribute to ellimilial/sqs-s3-logger development by creating an account on GitHub.

   2017 · github.com · its alternatives →

8. 8
   Social Proof Everywhere▲334

   Collect and share testimonials everywhere

   2024 · senja.io · its alternatives →

9. 9
   S3HyperSync – Faster S3 sync tool – iterating with up to 100k files/s▲49

   An alternative S3 sync tool to extremly fast sync s3 buckets. Feedback and contributions are welcome!

   2024 · github.com · its alternatives →

10. 10
    S3mini – Tiny and fast S3-compatible client, no-deps, edge-ready▲261

    ⚠️ Moved to Code.NOLOG: https://code.nolog.cz/thinking.tools/s3mini - Tiny S3 client. Edge computing ready. No-dep. In Typescript. - good-lly/s3mini

    2025 · github.com · its alternatives →

11. 11
    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 →

12. 12
    S3kit – AWS S3 command-line tool for tags/versions/lock management etc.▲23

    AWS S3 CLI tooklit. Contribute to jdevelop/s3kit development by creating an account on GitHub.

    2020 · github.com · its alternatives →

13. 13
    JVerify▲72

    Better phone number verification

    2021 · its alternatives →

14. 14
    SandCrab▲152

    Hello HN. SandCrab is an app I originally had the idea for and hacked together over a couple of weekends last October. More recently, I’ve been working on adding new features to it as I use it more as my daily tool to interact with my s3 buckets. A few recent features I am excited about include the ability to search across all of your buckets using wildcards and regular expressions as well as searching and filtering by metadata (e.g. content type, file size, date created, etc). I’ve also added support for configuring and generating presigned urls directly in the app which is nice. The app…

    2024 · sandcrab.io · its alternatives →

15. 15
    S3 Data Monitoring by Lariat▲111

    Find data issues in S3 objects as soon as they are ingested

    2024 · lariatdata.com · its alternatives →

16. 16
    s3-lambda – Lambda functions over S3 objects: each, map, reduce, filter▲177

    Lambda functions over S3 objects with concurrency control (each, map, reduce, filter) - littlstar/s3-lambda

    2017 · github.com · its alternatives →

17. 17
    A simple GUI for uploading large files to S3▲42

    An S3 File Uploader GUI written in Python. Contribute to charlesdaniel/s3_uploader development by creating an account on GitHub.

    2016 · github.com · its alternatives →

18. 18
    Open-source alternative to Loom that only requires S3▲61

    An incredibly simple, open-source alternative to Loom that only requires S3-compatible storage—no servers needed - goshops-com/clipshare

    2024 · github.com · its alternatives →

19. 19
    Streambed – Stream Postgres to Iceberg on S3, Supports Postgres Wire▲129

    Stream Postgres to Apache Iceberg on S3 via logical replication, queryable over the Postgres wire protocol. - GitHub - viggy28/streambed: Stream Postgres to Apache Iceberg on S3 via logical replication, queryable over the Postgres wire protocol.

    May 2026 · github.com · its alternatives →

20. 20
    S3 Benchmark▲12

    Measure Amazon S3's performance from any location.

    2019 · github.com · its alternatives →

21. 21
    Uphold – Tool for programmatically verifying database backups▲89

    A tool for programmatically verifying database backups - forward3d/uphold

    2016 · github.com · its alternatives →

22. 22
    Git-remote-s3 – push and pull Git repos to/from s3, encrypted using GPG▲79

    Push and pull git repos to/from an s3 bucket, encrypted using gpg. - bgahagan/git-remote-s3

    2019 · github.com · its alternatives →

23. 23
    Chanify▲66

    Safe and simple notification tools

    2021 · apps.apple.com · its alternatives →

24. 24IM
    I made an iPhone app that helps you manage your S3 files▲24

    2013 · cloudcatapp.com · 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 →