Socialscribe creates a 'Subscribe w/ Twitter' button for your newsletter's landing page. These buttons effortlessly boost your conversions by up to 50% (!) especially for people on mobile devices. For a demo, check out: https://scribe.deta.dev/bomh
ThreadMaker is for making threads. Just paste your long text and style it along the way. Add numbering to the beginnig of the thread or the end, your choice. You can even send a whole blog post as a thread!