Great news! Our friends at DriveThruRPG have just added Old-School Essentials to their list of rules systems!
Central List of All Products Tagged as OSE
This mean that you can now view all products tagged with the Old-School Essentials rules category by using the Rules System selectors, like this:
Currently, all official Old-School Essentials products from Necrotic Gnome are tagged with the new category. As other publishers tag their products, the list will expand.
Publishers: How to Add Your OSE Products
If you've got an Old-School Essentials product set up at DriveThruRPG (whether free, PYWY, or for sale), you can add it to the Old-School Essentials category as follows: