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YAML awesomeness

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YAML awesomeness



> A curated list of [YAML]( https://yaml.org/ ) resources.

> Inspired by the [awesome](https://github.com/sindresorhus/awesome).

> See also [Awesome Yaml (@datatxt)](https://github.com/datatxt/awseome-yaml)



- [awesome-yaml](#awesome-yaml)

    - [Overview](#overview)

        - [YAML is **underrated**](#yaml-is-underrated)

        - [YAML is a **supserset of JSON**](#yaml-is-a-supserset-of-json)

- [Digging in](#digging-in)

    - [Advanced](#advanced)

    - [Alternatives](#alternatives)

    - [Annoyances](#annoyances)

    - [Cloud](#cloud)

    - [Critique](#critique)

    - [Documentation and resources](#documentation-and-resources)

    - [GUI](#gui)

    - [Mentions](#mentions)

    - [NoCode](#nocode)

    - [Parsers](#parsers)

    - [People](#people)

    - [Projects](#projects)

    - [Security](#security)

    - [Specification](#specification)

    - [Templating](#templating)

    - [Tools](#tools)

    - [Transformation](#transformation)

    - [Variables](#variables)

        - [Variables \(example workarounds\)](#variables-example-workarounds)

    - [Validation](#validation)

    - [Tutorial](#tutorial)

    - [YAML GISTS](#yaml-gists)

    - [YAML Gems](#yaml-gems)

    - [Searches](#searches)

    - [See also](#see-also)

        - [Aweseomeness](#aweseomeness)

        - [Github](#github)

    - [💀 R.I.P.](#%F0%9F%92%80-rip)



# awesome-yaml



## Overview



YAML is a configuration format similar to JSON.



* [YAML Online](https://yaml.org)

* [YAML Specfication v1.2](https://yaml.org/spec/1.2/spec.html)

* [YAML Cheatsheet](https://kapeli.com/cheat_sheets/YAML.docset/Contents/Resources/Documents/index)

* [YAML Cheatsheet](https://yaml.org/refcard.html)

* [YAML Wikipedia](https://en.wikipedia.org/wiki/YAML)



### YAML is **underrated**

* Some developers who use it had a negative first-impression of the format, usually because of the syntax.

* Some dislike the fact that YAML allows the use of indentation for specifying scope (although indentation is technically not required).

* Some consider YAML to be superfluous: "XML and JSON fit the bill nicely enough".

* Some have either never heard of YAML or are influenced by the fact that it is (or at least was) not as famous as JSON or XML.



### YAML is a **supserset of JSON**

* Does JSON support comments? ... **NO**

   * http://stackoverflow.com/questions/244777/can-i-use-comments-inside-a-json-file

   * http://stackoverflow.com/questions/26775073/how-to-add-comments-in-json-file

   * http://stackoverflow.com/questions/11195101/add-json-file-comments

* Does JSON support comments? ... **YES** (if you use YAML)

   * To get JSON with comments, just use YAML instead of JSON

   * YAML is a superset of JSON



```

## This is valid YAML syntax

## Try it out now by copy-pasting it into an online YAML parser

## (e.g., http://yaml-online-parser.appspot.com/)



{

 "json": [

   "fat and rigid"

 ],

 "yaml": [

   "skinny and flexible"

 ],

 "object": {

   "array": [

     {

       "null_value": null

     },

     {

       "boolean": true

     },

     {

       "integer": 1

     }

   ]

 }

}

```

* [Try it now!](http://www.yamllint.com/)



# Digging in



## Advanced



* [Advanced YAML features (@cyklo)](https://github.com/cyklo/Bukkit-OtherBlocks/wiki/Aliases-(advanced-YAML-usage))



## Alternatives



* Alternatives compared

    * [Comparison of config formats (@njsmith)](https://gist.github.com/njsmith/78f68204c5d969f8c8bc645ef77d4a8f)

    * [Comparison of config formats (blogpost)](https://blog.ometer.com/2015/09/07/json-like-config-a-spectrum-of-underoverengineering)

    * [Nested text overview comparison](https://nestedtext.org/en/stable/alternatives.html?highlight=yaml#yaml)

    * [Structured text tools (@dbohdan)](https://github.com/dbohdan/structured-text-tools)

* Alternatives (one-off competing)

    * [ArchieML](http://archieml.org/)

    * [dhall-lang](https://dhall-lang.org/)

    * [Hjson](https://github.com/hjson/)

    * [HOCON](https://github.com/lightbend/config/blob/master/HOCON.md#hocon-human-optimized-config-object-notation)

    * [JSON various (@burningtree)](https://github.com/burningtree/awesome-json#format-extensions)

    * [jsonnet](https://jsonnet.org/)

    * [NestedText](https://nestedtext.org/en/stable/)

    * [NixOS Operating System](https://www.youtube.com/watch?v=D5Gq2wkRXpU)

        * [NixOS YouTube](https://www.youtube.com/watch?v=D5Gq2wkRXpU)

    * [TOML](https://github.com/toml-lang/toml)

* Variants

    * [Strict YAML](https://github.com/crdoconnor/strictyaml) uses a subset of the full YAML specification.



## Annoyances



- [Parsers](https://hackernoon.com/consistently-bad-parsing-of-yaml-ae23eb3676a1) Consistently bad parsing of YAML



## Cloud



* [Azure Pipeline](https://docs.microsoft.com/en-us/azure/devops/pipelines/create-first-pipeline)



## Critique



* [Blog post](https://arp242.net/yaml-config.html) -- Blog post

* [NBWTWY](https://noyaml.com/) -- Blog post Nobody wants to write yaml

* [YAML sucks](https://github.com/cblp/yaml-sucks) -- Github

* [YAML test matrix](https://matrix.yaml.info/valid.html) -- Validators



## Documentation and resources



* [Discussion Archives](https://sourceforge.net/p/yaml/mailman/yaml-core)

* [Stackoverflow](http://stackoverflow.com/questions/tagged/yaml)

* [YAML Multiline](http://yaml-multiline.info/)



## GUI



* [DDG Search](https://duckduckgo.com/?q=yaml+gui)



## Mentions



* [After XML JSON then what?](http://www.drdobbs.com/web-development/after-xml-json-then-what/240151851)

* [blog entry praising YAML over JSON](http://www.cowtowncoder.com/blog/archives/2012/04/entry_473.html)

* [drupal convert](https://www.drupal.org/node/1793074)

* [Flextype](https://docs.flextype.org/en/getting-started/configuration)

* [Hacker News](https://duckduckgo.com/?q=site%3Anews.ycombinator.com+YAML&ia=web)

* [HackerNews JSON/XML comparison](https://news.ycombinator.com/item?id=17360088)

* [kubernetes](https://github.com/kubernetes/helm/blob/master/docs/chart_template_guide/yaml_techniques.md)

* [Statamic CMS](https://docs.statamic.com/yaml)



## NoCode



* NoCode and LowCode

* [Lowdefy](https://lowdefy.com) - An open-source low-code framework to build internal tools, web apps, admin panels, BI dashboards, workflows, and CRUD apps with ease by simply writing YAML.



## Parsers



* [Dynamic YAML -- childish](https://github.com/childsish/dynamic-yaml)

* [golang](https://github.com/go-yaml/yaml)

* [javascript](https://github.com/nodeca/js-yaml)

    * http://nodeca.github.io/js-yaml/

* [Node.js](https://www.npmjs.com/search?q=yaml)

* [R](https://github.com/viking/r-yaml/tree/master)

* [shell](https://johnlane.ie/yay-use-yaml-in-bash-scripts.html)

* [yay](https://github.com/yaybu/yay)

* [YAML Syntax Checker (Linter)](http://yamllint.readthedocs.io/en/latest/quickstart.html#installing-yamllint)

    * https://www.maxoberberger.net/blog/2017/04/yaml-syntaxcheck.html



## People



* [[email protected]](https://stackoverflow.com/users/1307905/anthon)

* [top users stackoverflow](https://stackoverflow.com/tags/yaml/topusers)



## Projects



* [ADA YAML](https://ada.yaml.io/) with focus on YAML 1.3

* [Amazon ALEXA](https://github.com/KayLerch/alexa-skills-kit-tellask-java#prepare-your-utterance-yaml-file)

* [ANSIBLE ansible uses YAML](https://github.com/ansible/ansible)

* [Code Beautify](http://codebeautify.org/yaml-to-json-xml-csv)

* [Dynamic YAML -- childish](https://github.com/childsish/dynamic-yaml)

* [Go language](https://github.com/go-yaml/yaml) golang-specific

* [Heat Openstack](https://wiki.openstack.org/wiki/Heat/YAMLTemplates)

* [Kubernetes uses YAML](https://en.wikipedia.org/wiki/Kubernetes)

* [Python-Related](https://github.com/genomoncology/related    )

* [Repoze](http://docs.repoze.org/configuration/index.html)

* [Spiff (on-hold as of 2017-08)](https://github.com/mandelsoft/spiff)

* [Sublime YAML Macros](https://github.com/Thom1729/YAML-Macros)

* [YAML Official](https://github.com/yaml)

* [Yamlinc](https://github.com/javanile/yamlinc)

* [YAMLForm-Drupal8](http://yamlform.io/)

  * [YAMLForm-Blog post](https://www.fourkitchens.com/blog/article/getting-nyu-yaml-form)



## Security



* [Norway Problem](https://hitchdev.com/strictyaml/why/implicit-typing-removed)

* [Ruby exploit](http://www.ehackingnews.com/2013/01/rubygemsorg-hacked-via-yaml-parsing.html)



## Specification



* [Merge-keys spec](http://yaml.org/type/merge.html)

* [Official site](http://www.yaml.org/)

* [YAML Test Matrix](https://matrix.yaml.io/)

* [YAML test suite](https://github.com/yaml/yaml-test-suite)



## Templating



* [Ansible-based YAML plus Jinja](https://docs.ansible.com/ansible-container/container_yml/template.html)

* [gomplate -- golang templating system that supports YAML](https://github.com/hairyhenderson/gomplate)

* [Ruby-based YAML plus Ruby](http://benjamincongdon.me/blog/2016/07/27/Liquid-YAML-Programmatic-Data/)

* [Tempered YAML plus Bash](https://github.com/ChrisPenner/tempered)

* [Yasha YAML plus Jinja](https://github.com/kblomqvist/yasha)

* [Yglu](https://yglu.io) Structural YAML templating and processing

* [YST YAML plus Haskell](https://github.com/jgm/yst)

* [ytt](https://get-ytt.io/) YAML Templating Tool. Templating and patching, together. Includes Python-like programming environment.

* [Zenbu YAML plus Jinja](https://github.com/metakirby5/zenbu)



## Tools



* [Tools and services (@datatxt)](https://github.com/datatxt/awseome-yaml#tools--services)

* [YAML parser (appspot.com)](http://yaml-online-parser.appspot.com/)

* [YAML to golang](https://mengzhuo.github.io/yaml-to-go/)



## Transformation



* [AdaYaml Transforms](https://ada.yaml.io/trans)

* [dasel](https://github.com/tomwright/dasel) - Query and update data structures using selectors from the command line. Comparable to [jq](https://github.com/stedlan/jq) / [yq](https://github.com/kislyuk/yq) but supports JSON, YAML, TOML and XML with zero runtime dependencies.

* [DDG Search](https://duckduckgo.com/?q=YAML+transformation)

* [Online transformation tools](https://www.browserling.com/tools/xml-to-yaml)

* [JMESPath](https://jmespath.org/) technically a JSON tool, but powerful enough to be relevant here

    * [JMESPath extensions](https://github.com/grofers/go-codon/wiki/Jmespath-extensions)



## Variables



* [Dynamic YAML -- childish](https://github.com/childsish/dynamic-yaml)

* [Variable placeholders in YAML](https://stackoverflow.com/questions/41620674/use-placeholders-in-yaml)



### Variables (example workarounds)



* [Blog post on bash](https://starkandwayne.com/blog/bashing-your-yaml/)



## Validation



* [Cerberus](https://docs.python-cerberus.org/en/stable/) validation package for Python

* [Copper](https://github.com/cloud66-oss/copper)

* [DDG Search](https://duckduckgo.com/?q=yaml+validation)

* [kube-score](https://github.com/zegl/kube-score)

* [Kubeval](https://www.kubeval.com/)

* [learnk8s -- blog post](https://learnk8s.io/validating-kubernetes-yaml#kubeval)



## Tutorial



* [YAML introduction](https://github.com/Animosity/CraftIRC/wiki/Complete-idiot's-introduction-to-yaml)

* [YAML learnxinyminutes](https://learnxinyminutes.com/docs/yaml/)

* [YAML Primer](https://getopentest.org/reference/yaml-primer.html)

* [YAML Primer](https://github.com/darvid/trine/wiki/YAML-Primer)

* [YAML tutorial](https://rhnh.net/2011/01/31/yaml-tutorial)



## YAML GISTS



* [YAML succinct tutorial from user:ddlsmurf](https://gist.github.com/dreftymac/b68fef16a468ae56e275)



## YAML Gems



* [Using YAML custom tags (Advanced)](http://stackoverflow.com/a/23212501/42223)



## Searches



* [YAML placeholder variables](https://duckduckgo.com/?q=yaml+placeholder+variables)

* [YAML shell](https://duckduckgo.com/?q=yaml+shell&ia=qa)



## See also



### Aweseomeness



* [Awesome YAML (datatxt) ](https://github.com/datatxt/awseome-yaml)

* [Awesome home assistant](https://github.com/frenck/awesome-home-assistant)

* [Awesome curated](https://github.com/sindresorhus/awesome)

* [Awesome manifesto](https://github.com/sindresorhus/awesome/blob/master/awesome.md)

* [Awesome contributions](https://github.com/sindresorhus/awesome/blob/master/contributing.md)

* [Awesome JSON](https://github.com/burningtree/awesome-json)

* [Ansible Jinja addon filters](http://docs.ansible.com/ansible/latest/playbooks_filters.html)



### Github



* [GH Topic Code Generation](https://github.com/topics/code-generation?o=desc&s=stars)

* [GH Topic YAML](https://github.com/topics/yaml?o=desc&s=stars)



## 💀 R.I.P.



* [DEPRECATED -- Stackoverflow Documentation](http://stackoverflow.com/documentation/yaml)

* [Dynamic YAML -- dreftymac](https://github.com/dreftymac/dynamic.yaml)

* [golang JSON and YAML gotchas](http://ghodss.com/2014/the-right-way-to-handle-yaml-in-golang/)