diff --git a/courses/free-courses-en.md b/courses/free-courses-en.md
index 318c59124..121cbcd13 100644
--- a/courses/free-courses-en.md
+++ b/courses/free-courses-en.md
@@ -638,6 +638,7 @@
 * [MySQL Playlist](https://www.youtube.com/playlist?list=PLZoTAELRMXVNMRWlVf0bDDSxNEn38u9Cl) - Krish Naik
 * [MySQL Tutorial for Beginners [Full Course]](https://www.youtube.com/watch?v=7S_tz1z_5bA) - Moshfegh Hamedani (Programming with Mosh)
 * [SQL Foundations](https://www.udemy.com/course/sql-essentials-for-beginners/) - Sagar Uppuluri (Udemy)
+
 * [SQL NPTEL](https://www.youtube.com/playlist?list=PLLQPIumE5cE-gzU5hChH1V3H93x4UOlHR)
 * [SQL Tutorial](https://www.youtube.com/playlist?list=PL_RGaFnxSHWr_6xTfF2FrIw-NAOo3iWMy)
 * [SQL Tutorial - Full Database Course for Beginners](https://www.youtube.com/watch?v=HXV3zeQKqGY) - Mike Dane (freeCodeCamp)
@@ -685,7 +686,7 @@
 * [AWS DevOps Engineer Learning Plan](https://explore.skillbuilder.aws/learn/public/learning_plan/view/85/devops-engineering-learning-plan?la=sec&sec=lp) - AWS
 * [Complete DevOps Zero to Hero Course](https://www.youtube.com/playlist?list=PLdpzxOOAlwvIKMhk8WhzN1pYoJ1YU8Csa) - Abhishek Veeramalla
 * [DevOps Bootcamp](https://www.youtube.com/playlist?list=PL9gnSGHSqcnoqBXdMwUTRod4Gi3eac2Ak) - Kunal Kushwaha
-* [DevOps Courses](https://www.youtube.com/playlist?list=PLWKjhJtqVAbkzvvpY12KkfiIGso9A_Ixs) - FreeCodeCamp
+* [DevOps Courses](https://www.youtube.com/playlist?list=PLWKjhJtqVAbkFiqHnNaxpOPhh9tSWMXIF) - FreeCodeCamp
 * [DevOps from Zero to Hero: Build and Deploy a Production API](https://www.youtube.com/watch?v=H5FAxTBuNM8) - Adrian Hajdin (JavaScript Mastery)
 * [DevOps Full Course](https://www.youtube.com/watch?v=lpk7VpGqkKw) - Simplilearn
 * [DevOps Tutorial for Beginners](https://www.youtube.com/playlist?list=PLVHgQku8Z934suC9LSE6vaAKjOH_MfRbE) - Intellipaat
@@ -856,7 +857,7 @@
 * [Learn Go \| Learn Go Programming](https://golangr.com) - golangr.com
 * [Learn Go Programming - Golang Tutorial for Beginners](https://www.youtube.com/watch?v=YS4e4q9oBaU) - Michael Van Sickle (freeCodeCamp)
 * [Learn Go Programming by Building 11 Projects – Full Course](https://www.youtube.com/watch?v=jFfo23yIWac) - Akhil Sharma  (FreeCodeCamp)
-* [Let's go with golang](https://www.youtube.com/playlist?list=PLRAV69dS1uWQGDQoBYMZWKjzuhCaOnBpa) - Hitesh Choudhary
+* [Let's go with golang](https://www.youtube.com/playlist?list=PLRAV69dS1uWSxUIk5o3vQY2-_VKsOpXLD) - Hitesh Choudhary
 
 
 ### Graph Theory
@@ -1003,7 +1004,7 @@
 * [Java Tutorial For Beginners](https://www.youtube.com/playlist?list=PLsyeobzWxl7oZ-fxDYkOToURHhMuWD1BK) - Telusko
 * [Java Tutorial for Complete Beginners](https://www.udemy.com/course/java-tutorial/) - John Purcell (Udemy)
 * [JSP (Java server pages) and servlet basics](https://www.udemy.com/course/jsp-servlet-free/) - StudyEasy Organisation, Chaand Sheikh (Udemy)
-* [Learn how to program: Java](https://www.learnhowtoprogram.com/java-june-2017) - Epicodus Inc.
+* [Learn how to program: Java](https://www.learnhowtoprogram.com/java) - Epicodus Inc.
 * [Learn Java](https://www.codecademy.com/learn/learn-java) - CodeAcademy *(Need to create a CodeAcademy account to access)*
 * [Learn Java Programming](https://www.programiz.com/java-programming) - Programiz
 * [Learn Java Programming - Java for Testers and Developers](https://www.udemy.com/course/learn-java-programming-a/) - Pavan Kumar (Udemy)
@@ -1031,7 +1032,7 @@
 * [Cycle.js Fundamentals](https://egghead.io/courses/cycle-js-fundamentals) - André Staltz
 * [ES6 and Typescript Tutorial](https://www.youtube.com/playlist?list=PLC3y8-rFHvwhI0V5mE9Vu6Nm-nap8EcjV) - Codevolution, Vishwas Gopinath
 * [Functional Programming in JavaScript](https://www.youtube.com/playlist?list=PL0zVEGEvSaeEd9hlmCXrk5yUyqUag-n84) - Mattias Petter Johansson «Fun Fun Function»
-* [Gentle Introduction to JavaScript](https://www.youtube.com/playlist?list=PLErOmyzRKOCpmitTOazq3_p74Y-yTQB6A) - Deborah Kurata
+* [Gentle Introduction to JavaScript](https://www.youtube.com/playlist?list=PLErOmyzRKOCoLfGDg91NbuGlRahF5mElq) - Deborah Kurata
 * [Intro to JavaScript ES6 programming](https://www.youtube.com/playlist?list=PL-xu4i_QDSxcoDNeh8rx5-pHCCTOg0XsI)
 * [Intro To JavaScript Unit Testing & BDD](https://www.youtube.com/watch?v=u5cLK1UrFyQ) - Traversy Media
 * [Introduction to ES6+](https://scrimba.com/learn/introtoes6) - Dylan C. Israel (Scrimba)
@@ -1043,7 +1044,6 @@
 * [Javascript Essentials](https://www.udemy.com/javascript-essentials/) - Lawrence Turton (Udemy)
 * [Javascript Essentials 1 (JSE)](https://www.netacad.com/courses/programming/javascript-essentials-1) - (Cisco Networking Academy)
 * [Javascript Fundamentals](https://www.udemy.com/course/javascriptfundamentals) - Bharath Thippireddy (Udemy)
-* [JavaScript Leetcode](https://www.youtube.com/playlist?list=PLRKOqqzwh75hcG_D4xjUgbg_BAF3MLtoh) - Endeavour Monk
 * [JavaScript Mini Course 2020](https://www.udemy.com/course/javascript-essentials-mini-course/) - Kalob Taulien (Udemy)
 * [JavaScript Projects For Beginners \| Easy To Advance](https://youtube.com/playlist?list=PL9bD98LkBR7P16BndaNtP4x6Wf5Ib85Hm) - Tech2 etc
 * [JavaScript Tutorial](https://www.javascripttutorial.net) - Anthony Pham (javascripttutorial.net)
diff --git a/more/free-programming-interactive-tutorials-en.md b/more/free-programming-interactive-tutorials-en.md
index 56b285c38..70f8793a0 100644
--- a/more/free-programming-interactive-tutorials-en.md
+++ b/more/free-programming-interactive-tutorials-en.md
@@ -448,6 +448,7 @@
 * [Rustlings](https://github.com/rust-lang/rustlings)
 * [TCP Servers in Rust](https://app.codecrafters.io/concepts/rust-tcp-server) - CodeCrafters
 * [Tour of Rust](https://tourofrust.com)
+* [W3Schools Rust Tutorial](https://www.w3schools.com/rust) - W3Schools
 
 
 ### Scala