• On Hyperparameter Optimization of Machine Learning Algorithms: Theory and Practice (2020) Li Yang, Abdallah Shami

Python

• Adanet (Homepage, PyPI)
• AgEBO-Tabular (Homepage, Paper)
• AlphaD3M (Homepage, Paper) – closed source. Uses RL to tackle pipeline search
• Auptimizer (Homepage, PyPI)
• Auto-PyTorch (Homepage, Paper)
• Auto-Sklearn (Homepage, PyPI) – based on bayesian optimization
• Auto-Sklearn 2.0 (Homepage, PyPI, Paper) – uses portfolio learning
• AutoGBT (Homepage)
• AutoGBT-alt (Homepage)
• AutoGluon (Homepage, PyPI) – uses multi-Layer stack ensembling with k-fold ensemble bagging at all layers
• AutoKeras (Homepage, PyPI)
• AutoML Zero (Homepage, Paper)
• AutoML-DSGE (Homepage, Paper)
• automl-gs (Homepage, PyPI
• AutoRec (Homepage, Video) – Automated Recommender System
• AutoViML(Homepage)
• AX (Homepage, PyPI)
• Axolotl (Homepage)
• BOHB (Homepage)
• BoTorch (Homepage, PyPI)
• Gama (Homepage, Paper)
• H2O AutoML (Homepage)
• HpBandSter (Homepage)
• Hyperopt (Homepage, PyPI, Paper)
• Hyperparameter Hunter (Homepage, PyPI)
• Katib (Homepage, Paper)
• Keras Tuner (Homepage, PyPI)
• Lale (Homepage, PyPI, Paper)
• Ludwig (Homepage, PyPI)
• Mango (Homepage, Paper)
• Milano (Homepage)
• MLBox (Homepage, PyPI)
• nni (Homepage, PyPI)
• Optuna (Homepage, PyPI)
• Petridish (Homepage, Paper)
• PHS (Homepage, Paper)
• ray (Homepage, PyPI)
• RECIPE (Homepage)
• ROBO (Homepage)
• SMAC3 (Homepage, PyPI)
• Spearmint (Homepage)
• Talos (Homepage, PyPI
• TPOT (Homepage, PyPI)
• VolcanoML (Paper, Code)

Scala

• TransmogrifAI (Homepage)