The best alternatives to PowerSpike are Twitch, RIVYT, and Rocketgraph. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Twitch is a video live streaming service operated by Twitch Interactive, a subsidiary of Amazon. Twitch is the world's leading live streaming platform for gamers and the things we love. Watch and chat now with millions of other fans from around the world.