"K9 is the greatest internet filter I have ever seen. And for free! I can't believe it. Thanks for this great internet filter!" -- Sören

"K9 is the best thing that ever happened to my internet. I am deeply grateful." -- Isaac

"This is a awesome product, works much better than the parental control software that I had prior. Thank you so much." -- Sonny

"A huge thank you for the best protection software in the world! As a parent, it has safeguarded my family so much." -- Chris

"K9 is the only one that actually works without over-blocking, slowing the PC down or conflicting with other software. Thank you." -- Cameron