It _would_ be nice to spread the word on these under appreciated projects, but not to lump your own promotion in with it. This is basically the same thing as blog spam, which is disallowed under HN rules. [1]
>Please submit the original source. If a post reports on something found on another site, submit the latter.
You should just submit the link to the Github repository you want to share, not to your own site. You appear to do this all the time - stop.
[1] https://news.ycombinator.com/newsguidelines.html