Merge pull request mehdihadeli#73 from systemdesign42/patch-3

Mehdi Hadeli · web-flow · commit 1a3569c90cdb · 2023-11-22T16:36:05.000+03:30
Update open-source.md
diff --git a/docs/open-source.md b/docs/open-source.md
@@ -11,11 +11,12 @@
 - [What does it mean to be a maintainer?](https://opensource.guide/best-practices/)
 - [From idea to feature, what is the life cycle of an open source product?](https://blog.kuzzle.io/life-cycle-open-source-product)
 - [How to become an Open Source Software contributor?](https://sagikazarmark.hu/blog/how-to-become-an-open-source-software-contributor/)
+- [6 Proven Guidelines on Open Sourcing From Tumblr](https://newsletter.systemdesign.one/p/open-source-guidelines)
 
 ## 📺 Videos
 - [Complete Guide to Open Source - How to Contribute](https://www.youtube.com/watch?v=yzeVMecydCE)
 
 ## Courses
 - [How to Contribute to an Open Source Project on GitHub](https://egghead.io/courses/how-to-contribute-to-an-open-source-project-on-github)
 - [Open Source Your GitHub Project](https://www.pluralsight.com/courses/open-source-your-github-project)
-- [Contributing to an Open Source Project on GitHub](https://www.pluralsight.com/courses/contributing-open-source-project-github)
+- [Contributing to an Open Source Project on GitHub](https://www.pluralsight.com/courses/contributing-open-source-project-github)
