Security Eye is a professional and efficient camera surveillance system that uses computer built-in or external USB cameras or webcams to conduct video surveillance over the Intranet/Internet. It supports simultaneous connections to multiple network (IP) cameras to realize the real-time monitoring to multiple scenes, and can record the real-time images of camera to generate video files and save them to your hard disk. And, it is so easy to use that even beginners can get started in a few minutes.

PitchPerfect (full name: PitchPerfect Musical Instrument Tuner, PitchPerfect Guitar Tuner) is a free but highly accurate and professional instrument tuning software for Windows and Mac platforms, developed by NCH Software from Australia. It is specially designed for guitar players and other musicians, can help users quickly and effectively tune their instruments, so as to greatly improve the sound quality of instruments.

USB flash drive and all types of Flash Cards (SmartMedia =SM card, Compact Flash = CF card, MultiMediaCard = MMC card, Secure Digital = SD card, Memory Stick) have long been used on a large scale and widely available, but they have some other applications besides being storage devices. For example: As a boot disk for Windows PE OS, as a system installation disk, as a replacement for various Live CDs, and so forth. Today we are going to talk about using USB flash drive (Flash Card needs to cooperate with the card reader to work the same way) as a key for locking/unlocking your computer with ease.

After PhotoBucket disabled all free external/hot links of our image files stored on it (you have to pay to restore the service), AppNee reuploaded most of these images to ImgBB, using its free photo external links service. But happy days did not last long, ImgBB took exactly the same dirty trick as PhotoBucket did. It is still understandable to start charging for a company, but do not inform in advance and cancel a service forcibly is really to entrap countless small webmasters.

If we use the built-in firewall of Windows to prevent the specified programs from connecting to the Internet, we need four steps at least: 1) Enter the Control Panel; 2) Open Windows Firewall; 3) Click Advanced settings; 4) Add new rules. If you want to simplify firewall operation (preferably one-click) and can't stand the high system resources occupancy of third-party firewalls, then Firewall App Blocker is probably what you're looking for!