Please help to make this list better. Ensure your pull request adheres to the following guidelines:
- Be sure you have searched for duplicates of your addition in existing list and issues / pull requests.
- Make sure the list is useful before submitting.
- 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.
- Place a dot at the end of each list item description.
Thank you for your contributions!