# Contribution Guidelines 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 your list is useful before submitting. That implies it having enough content and every item a good succinct description. - A link back to this list from yours, so users can discover more lists, would be appreciated. - Make an individual pull request for each suggestion. - Titles should be [capitalized](http://grammar.yourdictionary.com/capitalization/rules-for-capitalization-in-titles.html). - 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. - The pull request and commit should have a useful title. Thank you for your suggestions!