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## What does this PR do?

- [ ] Adds a new entry
- [ ] Updates an existing entry
- [ ] Removes a dead or discontinued entry
- [ ] Other (explain below)

**Summary:**
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## Checklist

- [ ] The entry uses the exact format: `- [Name](https://url) - Factual description ending with a period.`
- [ ] It is placed in the single most relevant section, in a sensible order.
- [ ] No duplicate — I searched the list first.
- [ ] The URL is canonical HTTPS, with no tracking or affiliate parameters.
- [ ] The link works and the project is maintained.
- [ ] The Table of Contents still matches the section headings.
- [ ] No trailing whitespace was introduced.