Oracle Grid Engine, previously known as Sun Grid Engine (SGE), previously known as CODINE (COmputing in DIstributed Networked Environments) or GRD (Global Resource Director), is an open source

Open source

The term open source describes practices in production and development that promote access to the end product's source materials. Some consider open source a philosophy, others consider it a pragmatic methodology...

 batch-queuing system, developed and supported by Sun Microsystems

Sun Microsystems

Sun Microsystems, Inc. was a company that sold :computers, computer components, :computer software, and :information technology services. Sun was founded on February 24, 1982...

. Sun once also sold a commercial product based on SGE, known as N1 Grid Engine (N1GE).

Grid Engine is open source and free to use from the project website under the Sun Industry Standards Source License.