The best alternatives to Brilliance are Flux, Hue Sentiment, and The low-tech guys. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Brilliance?
AssemblyAI— Speech-to-Text API with superhuman accuracy
Hue Sentiment is an easy to use Philips Hue light app which translates text into a mood. Simply type how you're feeling and notice the lights change based on your mood.