Micropayments

Allopass.com - Offers a telephone bill based micropayment system for European webmasters.

Centipaid Corporation - Offers micropayment solutions using Internet stamps to pay for web site access, email postage, and online content.

Etelcharge.com - Allows customers to charge online purchases to their phone bill.

Paystone Micropayment Solutions - Micropayment solutions for content, games, cartoons, articles, music, video and books selling.

Pico-Pay - A general purpose micropayments gateway and hosted management server, which uses the revenue garnered from ad clickthroughs to pay for a content hosted by website publishers.