Resin.Search is an easy-to-use search framework that can help you search through any vector space. It uses hardware accelerated vector operations from MathNet (https://github.com/mathnet/mathnet-numerics) to build and scan indices generated from your data. It's also a qualified document database.
C# library for easy Deep Learning and Deep Reinforcement Learning. It is wrapper over C# CNTK API. Has implementation of layers (LSTM, Convolution etc.), optimizers, losses, shortcut-connections, sequential model, sequential multi-output model, agent teachers, policy gradients, actor-critic etc....
A complete C# re-write of Berkeley's open source Convolutional Architecture for Fast Feature Encoding (CAFFE) for Windows C# Developers with full On-line Help, now with Single-Shot MultiBox, TripletNet, SiameseNet, NoisyNet, Deep Q-Network and Policy Gradient Reinforcement Learning, cuDNN LSTM...
FULL TensorFlow 1.15 for .NET with Keras. Build, train, checkpoint, execute models.
Samples: https://github.com/losttech/Gradient-Samples, https://github.com/losttech/YOLOv4, https://github.com/losttech/Siren
Deep learning with .NET blog: https://ml.blogs.losttech.software/