Here I summarize some activity/mobility system data I used or may use in the future.

Sussex-Huawei Locomotion Dataset

UCI Human Activity Recognition with Smartphones

UCI Activity Recognition from Single Chest-Mounted Accelerometer

MotionSense Dataset: Smartphone Sensor Data - HAR

A multidevice and multimodal dataset for human energy expenditure estimation using wearable devices

MM-Fi: Multi-Modal Non-Intrusive 4D Human Dataset

XRF55: A Radio Frequency Dataset for Human Indoor Action Analysis