Fitbod - Personalized Strength-Training powered by Machine Learning

Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.

JEFIT - Jefit is the #1 popular gym workout app for Android and iOS. Jefit allows you to manage your training routine and keep track of your workout progress easily.

Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.

Hevy - Simple workout logging, insightful analytics, and a growing community of gym athletes.

Cattr - Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.