Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Japan API – Free and Open Data launched in 2021; newer entries below may have overtaken it.

1. 1
   The Changelog - #189: JSON API with Yehuda Katz▲66

   Yehuda's start as a programmer and the spec for building API

   2016 · changelog.com · its alternatives →

2. 2
   Analyse Asia 65: Tableau in Asia with JY Pook▲52

   Understand the footprint of Tableau in Asia

   2015 · analysepodcast.com · its alternatives →

3. 3
   Between Our Worlds▲5

   Providing metadata about Anime as Linked Open Data

   2017 · betweenourworlds.org · its alternatives →

4. 4AA
   APInsta – A small API to retrieve basic IG data by JSON▲7

   2018 · apinsta.herokuapp.com · its alternatives →

5. 5KW
   Kamu – World's first global collaborative data pipeline▲7

   2021 · medium.com · its alternatives →

6. 6
   Datoji – FREE HTTP JSON storage service▲12

   A tiny JSON storage service. Create, Read, Update, Delete and Search JSON data. - davidesantangelo/datoji

   2020 · github.com · its alternatives →

7. 7
   Demo App for PLaMo-100B – A New Japan's 100B Parameter Language Model▲5

   unofficial Python implementation to demonstrate PLaMo-100B - C-Naoki/PLaMo-100B

   2024 · github.com · its alternatives →

8. 8ZS
   ZipWhois: Simple JSON Whois API and Domain API▲6

   2014 · zipwhois.com · its alternatives →

9. 9
   JProx▲5

   I built JProx to solve a specific problem: scraping Japanese sites (Mercari, Rakuten, SUUMO) that aggressively block foreign IPs and datacenter proxies. Features: - Japanese residential IPs (Tokyo) - Simple REST API with Claude MCP support - 1,000 free requests/month - $7/mo for 5,000 requests Built with: FastAPI, Next.js, PostgreSQL I'm a solo developer in Japan. Would love feedback on the pricing and API design.

   Jan 2026 · jprox.dev · its alternatives →

10. 10
    UKI QR Reader▲5

    An enhanced QR / Barcode Reader for Japan

    2016 · its alternatives →

11. 11YF
    Yardbase, free and open API of local, community-based data▲5

    2013 · yardbase.org · its alternatives →

12. 12RG
    Rinocloud – GitHub for data▲8

    2016 · rinocloud.com · its alternatives →

13. 13
    Zen-JSON Pro▲4

    Ultra-fast, privacy-first, AI Powered JSON Viewer & Editor

    Jun 2026 · jsonviewer.rusting.dev · its alternatives →

14. 14GA
    Geocoding API built with government open data▲6

    2016 · latlon.io · its alternatives →

15. 15
    Gesedels, an specific data storage API▲6

    2022 · github.com · its alternatives →

16. 16LL
    Lala – Learning Japanese App▲9

    2020 · lala.support · its alternatives →

17. 17AF
    A free and open source online database modeling editor▲9

    2025 · editor.besser-pearl.org · its alternatives →

18. 18IN
    Infactory – NL APIs from Structured Data Without Hallucinations▲8

    2025 · infactory.ai · its alternatives →

19. 19
    Brightwork.io (data API Aggregator) Beta Now Open▲6

    2015 · brightwork.io · its alternatives →

20. 20
    Vers, a tool to version data models instead of APIs▲7

    Effortless data model versioning for Javascript and Node.js - TomFrost/Vers

    2015 · github.com · its alternatives →

21. 21JA
    Jongo, a RESTful JDBC Interface Server▲7

    2011 · code.google.com · its alternatives →

22. 22
    The Simplest ML API▲7

    2021 · doc.clickup.com · its alternatives →

23. 23
    API Portfolio — 5 Free APIs▲8

    5 free dev APIs: WHOIS, Company, Email, Geo, Sanctions

    Jul 2026 · on13uka.github.io · its alternatives →

24. 24DI
    Datarow.io – an easy to use data integration platform▲7

    2019 · datarow.io · 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 →