The SWORKIT app worked great for me! https://sworkit.com/. Source: over 1 year ago

Sworkit provides at-home workouts for all levels. Whether you’re an absolute beginner, intermediate, or advanced, Sworkit makes it simple to get in shape and stay in shape.  Their algorithm gives you the workout you need in the time you have. They are donating 6 month memberships to the winners of this challenge. Source: almost 3 years ago

I like to do HIIT with body weight. Admittedly, I've been off the wagon for awhile, but this site kept things interesting for me: https://darebee.com. - Source: Hacker News / 3 months ago

I really like and use https://darebee.com. - Source: Hacker News / 3 months ago

Darebee is a great resource for free at home exercises. I’ve worked with personal trainers to great results but I still use a lot of resources from that site to get a light exercise in on days I feel like crap or I’m so dang tight or spastic I can’t do more. Source: 6 months ago

As a 36F, nearing 40, I have been reading and listening to more information about working out at this age and a lot of studies have found weight training to be far more beneficial as you age and cardio actually less helpful and causes more stress to your body. If she likes cardio, maybe have her try some Metcons that use weights too. It’s like lifting weights, but faster lol. DAREBEE is a great source! Try looking... Source: 12 months ago

Https://darebee.com/ - great plans, with and without equipment. Source: about 1 year ago