• Kenzer and Company
• RPG.net
• ENWorld
• Paizo Publishing
• 93 Games Studio
• Kobold Quarterly

Hackmaster Specific Sites

• "Boise Incident" Instigators

• Order of the Stick
• Ctrl+Alt+Delete
• Woot

• Wayne Reynolds
• Martin McKenna
• Matt Dixon
• Kevin Ky Yan
• William O'Connor
• Peter Bergting
• Karem Beyit
• Maxime Desmettre
• Todd Lockwood
• Boros & Szikszai