Another coalition of Microsoft's rivals, the Liberty Alliance led by Sun Microsystems, is working to develop an open-source alternative to the .

Eating away at Oracle's hold on the corporate database market with a low-cost, open-source alternative is part of the long-term plan for Ingres.

Any open-source alternative, if it became popular, would no doubt seek the same financial solution and you'd be faced with the same problem.

Still, he said, with many government agencies and corporations demanding open-source alternatives, the company felt it had to open up even further to compete.

Acquia provides enterprise-level support for its open-source alternative, Drupal, for instance.

A free and open-source alternative, atvusb-creator, does much the same using a simple graphical interface on both Mac and Windows.

Although proprietary systems dominate the ATS space, there are open-source alternatives.

Free, open-source alternatives also exist.

While Sun still provides a forum for discussion of its implementation, there have been several efforts to implement open-source alternatives.

Freeman first released Cydia in February 2008 as an open-source alternative to Installer.