Thanks to easy, tool-free access to the One's innards and Gateway's use of nonproprietary components, upgrading is a cinch.

Its market model will employ a maker-taker fee schedule and a modified price-time matching algorithm for nonproprietary option classes, CBOE said in a statement.

The service may also be attractive to authors outside India who are looking for a nonproprietary format in which to publish their books, Mehta said.

You may convert to and distribute this work in any binary, compressed, marked up, nonproprietary or proprietary form, including any word processing or hypertext form.