This page is dedicated to progress toward developing an Open Source option for NASA software. Open Source means that software is distributed with source code and a license that grants specific rights with respect to use and reuse of the code. For NASA, the adoption of an Open Source option for software distribution will have three main benefits: enhanced software through community review and development, enhanced collaboration through sharing of NASA-originated software, and more efficient and effective dissemination of research products (such as software) to the public. NASA has begun several pilot projects in Open Source distribution. We expect that Open Source distribution of NASA-originated software will include codes in scientific visualization, software development tools, software frameworks, Grid computing, and many other activities within NASA.