Why is this question non constructive? The question is specific. It doesn't solicit debates or arguments. An app either sends to Facebook and Twitter or it doesn't. Isn't this consiered like a fact?
Essentially what you're asking for are suggestions for app replacements.
As a general test, if your question would be perfectly in line with either of these two sites, it's most likely not constructive and ill-fit for a Stack Exchange site.