Hi there! Feel free to use any KB3 or K26 font listed on dafont.com for personal use (correspondence, invitations, letterhead, worksheets, newsletters).
For a catalogue of commercial fonts, click here:
https://www.creativefabrica.com/product/mega-fonts-bundle/ref/2141/
Alternately, you can use the dafont.com "Donate to Author" button to purchase a commercial license (lifetime /one user).