I am proposing github integration with a custom application, which we can host on erpnext foundation website. I spent some time today to build the application that pulls github issues(My suggestion is to pull specific items targeted with a ‘roadmap’ label) and allows capturing bounty and development support. Like
GitHub API doesn’t seem to capture the upvotes, so I had to resort to custom voting button. The code is available at GitHub - sathishpy/EN-Roadmap: Tool for managing ERPNext roadmap with Github integration. If it is going to be useful, I might be able to spend some more time on it.