I started using Metroretro a few months ago and it's really nice, except for the ability to export retro items I think it covers everything you listed. Also it's free and it comes with some useful templates. Source: about 3 years ago

To improve the developer experience, I needed to understand the real problems the engineers were facing, so I scheduled a brainstorming meeting. In this meeting, I explained my project and shared a Metro Retro board to write down all issues our application had at that time, what was the bad DX we had, and doubts related to this application (e.g. How do we handle data fetching?; how do we handle error handling?;... - Source: dev.to / about 3 years ago

Create and sell reusable code snippets or templates on platforms like CodeCanyon, GitHub Marketplace, and Bitbucket Marketplace. Simplify coding for others. - Source: dev.to / 6 months ago

Hey there! I'm Francesco known as Airscript on the web. Today I want to share with you what is GitHub Marketplace and how you can use it for adding mainly tools to your repositories! - Source: dev.to / 9 months ago

Once Discussions are enabled, installing the Giscus application is next. You can either click here to visit the app page or search for "giscus" on the GitHub Marketplace. - Source: dev.to / 12 months ago

3) Use GitHub Actions to trigger a deploy when you update the repo. See the Actions Marketplace for an idea of the wide range of things GitHub Actions supports. Source: about 1 year ago

- If you’re on GitHub, use a merging tool like ReviewPad or Gitstream that automates a bunch of the pull-request tasks above. We’re on GitLab so had to make a pact with my team members to follow these rules. Source: over 1 year ago