Hack The Box

• Free up to $20/month if you want a private instance
• Must have VIP to access challenges and retired machines
• My favorite for offensive skills
• Tons of lab walkthroughs for older machines

TryHackMe (Highly Recommended)

• Free up to $10/month for private instances and premium content
• My favorite for beginners and all around infosec skills
• Recommended for blue teamers

Black Hills ANTISYPHON Cyber Range

• $30/month
• Haven't used but would like to try
• Have seen good feedback on social media