
Dhall Configuration Language
NixOS
JSONCompare
YAML
JSONFormatter.org
JSON Editor Online
JSON Formatter & Validator
A powerful DSL for elegant description of JSON data.

DevToolKit.site
All Over Tools
SmallDevTools
DevToys
CyberChef
DeveloperTools.Tech
duckTyped.xyz
150+ free browser-based developer tools - no sign-up, no tracking, no backend. JSON formatter, Base64 encoder, regex tester, JWT decoder, UUID generator, HTTP status lookup, MIME types, port reference, cron builder & more. Everything runs locally in

Which is more popular?
Based on our record, Jsonnet seems to be more popular. It has been mentioned 38 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | jsonnet.org | dusktools.app |
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Recommendations tracked on public social media and blogs since March 2021.


OK, what we can do now? Use a preprocessing language guaranteed to produce valid syntax, like Jsonnet for json? That wil work, for sure. However, you have now a friction problem: it's new file format that requires implementing its own... - Source: dev.to / 11 months ago
Https://jsonnet.org/ I never heard of this before. This seems like the JSON I wish I really had. Of course at some point you could just use JavaScript. - Source: Hacker News / over 1 year ago
I've been reading the book Modern Compiler Implementation in ML lately. It's been helpful to brush up on some concepts while developing Tsonnet (my typed-aspiring Jsonnet flavor) and I hope to learn a ton more. However, I'm growing... - Source: dev.to / over 1 year ago
Tracking DuskTools.app since Mar 2026.
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25 Jun 2014 . All software components in NixOS are installed using the Nix package manager. Packages in Nix are defined using the nix language to create nix expressions.
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