Contribution Guidelines

Adding to this list

Please ensure your pull request adheres to the following guidelines:

Search previous suggestions before making a new one, as yours may be a duplicate.
Make sure the list is useful before submitting. That implies it has enough content and every item has a good succinct description.
Make an individual pull request for each suggestion.
Use the following format: [List Name](link)
Link additions should be added to the bottom of the relevant category.
New categories or improvements to the existing categorization are welcome.
Check your spelling and grammar.
Make sure your text editor is set to remove trailing whitespace.

Thank you for your contributions!