The best alternatives to SwiftBraille are Indistractable, Aipoly, and Braille Cube. If these 3 options don't work for you, we've listed a few more alternatives below.
What does giving back mean to you? For us, it was making Myfinder, an iOS app that offers both an advanced AI and human support to a visually impaired person, allowing them to live more independently. Please volunteer or check out the AI ☺️