As a matter of fact, it's hard to find an overall satisfactory desktop weather application. Many weather forecasting programs known for Windows either don't offer enough or accurate weather information, or are much too bloated in file size or UI design, or even don't work at all. If you want a free, lightweight program that comes with an impressive features set, Tray Weather may be just what you are looking for.

Celestia is a free and open-source 3D astronomy simulation software for Windows, Mac, Linux, Android and iOS platforms. Its real-time space simulation lets you explore and experience our universe in three dimensions. Celestia combines massive astronomical data information with high-resolution images, and has rich plug-ins support and convenient operations. These make it popular with users.

Multi Timer (AKA: MultiTimer) is a small, sophisticated and flexible multipurpose desktop timer software for Windows, developed by Johannes Wallroth (the same developer of Sharp World Clock) from Germany. It is designed to meet the timing needs of users in private, professional and even scientific environments.

There is no doubt that constant exposure to computers (whether for work, play or study) not only causes serious damage to our eyesight, diminution of vision, visual fatigue, irreversible death of light-sensitive cells, maculopathy and cataract, but also inhibits the secretion of melatonin and causes sleep disturbances. However, computers have long been a necessary tool in the modern workplace, and have created a whole bunch of people who have to spend a lot of time in front of a computer every day.

In this age of computer + Internet, many of our jobs are computer dependent, even require us to sit in front of computer for a long time. As we all know, computer does a lot of harm to our health in many ways. One of them is that the large amount of harmful blue light emitted from display can damage our retina, thus leading to maculopathy and cataract, causing asthenopia (eye strain), and leading to poor sleep quality and even insomnia.