sherpa-onnx is a free, open-source alternative to Murf, Resemble AI. It can be used without subscription fees — and its source code is open for anyone to inspect, modify and self-host.
Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, A Its license (Apache-2.0) is permissive: free to use, modify and redistribute — including inside commercial and proprietary products.