I've been on a quest to find an alternative loose tenon joinery option I can recommend to my viewers who don't want to spend the money on a Festool Domino. The Dowelmax Classic 3/8 is the closest thing I can find that can do everything the Festool Domino can do plus more!

Get the jig here (affiliate link): https://bit.ly/3tIzByz
Most people will want the "Dowelmax Classic 3/8 Only"

Here's a playlist I've made on my journey to find a good loose tenon joinery system:
   • Woodworking Joinery Methods