Life & fun · alternatives · 2026

24 alternatives to Hosted-Danger: Danger as a Service Written in Crystal by Yahoo Japan

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Hosted-Danger: Danger as a Service Written in Crystal by Yahoo Japan launched in 2019; newer entries below may have overtaken it.

1. 1
   Yoozon▲94

   Host websites using Dropbox

   2014 · yoozon.com · its alternatives →

2. 2
   Kyushu – A self-hostable WASM sandbox for JavaScript workers▲89

   A self-hostable Wasm sandbox for JavaScript workers.

   Jun 2026 · kyushu.dev · its alternatives →

3. 3
   Anime.js▲236

   A flexible yet lightweight Javascript animation library.

   2016 · anime-js.com · its alternatives →

4. 4
   TriggerHappy▲145

   A self-hosted, open source alternative to IFTTT

   2016 · its alternatives →

5. 5
   Danger Dragon▲86

   A simple game to test your focus

   2014 · dangerdragon.com · its alternatives →

6. 6
   Super Dangerous Dungeons▲77

   A retro-inspired platformer

   2015 · apps.apple.com · its alternatives →

7. 7
   KORE.io▲88

   A fast SPDY capable web server for web development in C

   2015 · kore.io · its alternatives →

8. 8
   Clicker Bands▲65

   Western style dangerous adventures

   2015 · play.google.com · its alternatives →

9. 9
   Sitedrop▲83

   A visual way to collaborate using Dropbox

   2014 · its alternatives →

10. 10
    Danger is NEAR▲68

    Kill monsters while earning tokens

    2022 · github.com · its alternatives →

11. 11
    A Rough HN Clone Written in Crystal with Live Updates and Analytics▲6

    A social platform inspired by Hacker News written in Crystal using the Kemal framework. - jessefromearth/hackerviews

    2018 · github.com · its alternatives →

12. 12
    YIX▲27

    It's like Cards Against Humanity, but with GIFs.

    2014 · yix.io · its alternatives →

13. 13YB
    Yahoo! by Mayer▲5

    2012 · yahoobymayer.com · its alternatives →

14. 14IA
    Isso - a commenting server similar to Disqus▲5

    2013 · posativ.org · its alternatives →

15. 15TS
    The Safeweb Engine (A new cybersecurity platform)▲5

    2016 · tucloud.com · its alternatives →

16. 16JA
    Japan API – Free and Open Data▲7

    2021 · japan-api.github.io · its alternatives →

17. 17
    I just released v7 Javalin, a JVM web framework▲6

    Share on X Share on Reddit Hacker News Copy Link

    Feb 2026 · javalin.io · its alternatives →

18. 18
    A Hacker News Reader in Vanilla JavaScript▲25

    A Hacker News Reader in Vanilla JavaScript. Contribute to k2052/vanilla-hn development by creating an account on GitHub.

    2017 · github.com · its alternatives →

19. 19
    A Remake of Yahoo Literati for IRC▲6

    2016 · github.com · its alternatives →

20. 20SA
    Smash – a social page creator and publisher platform▲5

    2017 · smash-io.com · its alternatives →

21. 21
    I made a (self-hosted) Website Builder▲7

    Hey Hacker News, I'm the maker of Kopage, a free & self-hosted Website Builder. While working on new, cool features (AI, of course), it would be great to hear some HN feedback :) Thanks, Simon

    2024 · kopage.com · its alternatives →

22. 22
    Between Our Worlds▲5

    Providing metadata about Anime as Linked Open Data

    2017 · betweenourworlds.org · its alternatives →

23. 23JM
    Jekyll meets Posterous – Static Blog and Email Posting▲9

    2013 · utterson.me · its alternatives →

24. 24
    Brutal.js – A crazy-small framework for building brutalist web apps▲6

    A crazy-small framework for building brutalist web applications - crisdosaygo/brutal.js

    2022 · github.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 →