onnx/sklearn-onnx

ONNXMLTools enables conversion of models to ONNX

Java library and command-line application for converting Scikit-Learn pipelines to PMML

Convert TensorFlow, Keras, Tensorflow.js and Tflite models to ONNX

Python library for converting Scikit-Learn pipelines to PMML

Transpile trained scikit-learn estimators to C, Java, JavaScript and others.

Core ML tools contain supporting tools for Core ML model conversion, editing, and validation.

Open standard for machine learning interoperability

skops is a Python library helping you share your scikit-learn based models and put them in production

Hummingbird compiles trained ML models into tensor computation for faster inference.