Solar Viewer Mini is a Widgets software developed by Jim Spadaccini. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Solar Viewer Mini:

Marydown Editor: NASA and Ideum's Solar Viewer Mini puts today's images of the Sun on your desktop. These near real-time images come from NASA/ESA's SOHO
mission, NASA TRACE mission, and the Big Bear Observatory.