diff --git a/README.md b/README.md
index 0e91fa9..cd5da8d 100644
--- a/README.md
+++ b/README.md
@@ -3638,6 +3638,7 @@ I spend a lot of time on internet, losing myself in lot of topics. I choose GitH
 * [Jeff Atwood](https://blog.codinghorror.com/we-make-shitty-software-with-bugs/) - (2004) We Make Shitty Software.. With Bugs! | Software is a process, it's never finished, it's always evolving.
 * [Jakub Skałecki](https://rock-it.pl/how-to-write-excellent-dockerfiles/) - (2017) How to write excellent Dockerfiles
 * [Jakub Skałecki](https://rock-it.pl/automatic-code-quality-checks-with-git-hooks/) - (2017) Automatic code quality checks with git hooks
+* [JSONLint](https://jsonlint.com/) - JSON validator
 
 ## Conferences
 > In Belgium
@@ -4058,6 +4059,7 @@ Raw
 * [Modern JS Cheatsheet](https://mbeaudru.github.io/modern-js-cheatsheet/) - Cheatsheet for the JavaScript knowledge you will frequently encounter in modern projects.
 * [lk-geimfari/awesomo](https://github.com/lk-geimfari/awesomo) - list of interesting open source projects written in С, C++, Clojure, Lisp, Elixir, Erlang, Elm, Golang, Haskell, JavaScript, Lua, OCaml, Python, R, Ruby, Rust, Scala etc.
 * [Praveen Durairaj](https://blog.hasura.io/an-exhaustive-guide-to-writing-dockerfiles-for-node-js-web-apps-bbee6bd2f3c4) - (2018) An Exhaustive Guide to Writing Dockerfiles for Node.js Web Apps
+* [JSONLint](https://jsonlint.com/) - JSON validator
 
 ## Lisp
 * [L(λ)THW](http://learnlispthehardway.org/) - Learn Lisp The Hard Way
@@ -5033,6 +5035,7 @@ Raw
 * [aelsabbahy/goss](https://github.com/aelsabbahy/goss/tree/master/extras/dgoss) - dgoss is a convenience wrapper around goss that aims to bring the simplicity of goss to docker containers.
 * [Fred Hébert](https://ferd.ca/the-hitchhiker-s-guide-to-the-unexpected.html) - (2018) The Hitchhiker's Guide to the Unexpected | about clean architecture, and making things easier
 * [Jakub Skałecki](https://rock-it.pl/automatic-code-quality-checks-with-git-hooks/) - (2017) Automatic code quality checks with git hooks
+* [JSONLint](https://jsonlint.com/) - JSON validator
 
 # Troubleshooting
 * [Sandra Henry-Stocker](http://www.computerworld.com/article/3196138/linux/whos-hogging-the-network.html) - Who's hogging the network? Bandwidth usage on a Linux system