# Contribution Guidelines

- **To add, remove, or change things on the list:**  Submit a pull request
- Each item should be limited to one link.
- If many links belong to the same domain, regroup them in a sub list.
- The link should a short and clear title.
- Descriptions should be clear, concise, and non-promotional.
- Descriptions should follow the link, on the same line.
- At least 3 items are needed to create a new category.
- For each new category add a link to the table of content.

## Quality standards

To be on the list, links should adhere to these quality standards 

- No url shortener
- Direct link to content
- Link is not behind a paywall
- No affiliate links
- Link's content does not violate copyright.

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Thanks everyone!