2. doctorDoctor - Maintain your documentation on SharePoint without pain.
3. Search-WP-SPFxSearch Web Part built with the SharePoint Framework. It makes use of React and Flux.
7. vscode-front-matterFront Matter is a CMS running straight in Visual Studio Code. Can be used with static site generators like Hugo, Jekyll, Hexo, NextJs, Gatsby, and many more...
9. gulp-spsync-credsGulp plugin for synchronizing local files with a SharePoint library via user credentials