FoxPlug
Real work done on the page, the result shown at once, no signup to see it. If you like it, FoxPlug does the same thing for you every week, automatically.
Paste a public repository and get release notes grouped as Added, Fixed, Changed and Removed.
Open the tool
Paste a public commit or write one sentence and get drafts for X, Bluesky and LinkedIn.
Open the tool
More tools are coming. The tools look only at what is already public and keep nothing about you beyond a scrambled visit count that keeps them free for everyone.