Insomnia - in the past, people who suffered from this condition were mostly affected by work, life and other bad experiences. Now, smartphone + fast and convenient mobile Internet has caused more and more people to suffer from severe insomnia from lying in bed fiddling with their phones. AppNee's method is simple and effective, requiring no drugs or visits to the hospital. Instead, you just need to do what you least want to do on your phone after lying in bed, like reading e-books on math, economics, etc. If you have a computer at hand, try Virtual Hypnotist.

GPXSee is a free, open-source GPS log file viewing and analyzing tool, developed by Martin Tůma from Czech Republic. It comes with a friendly user interface and powerful features, and is mainly used to view and analyze the GPX file (which is the common file type that GPS devices record their waypoints, providing data for GPS navigation).

PowerToys is a set of free and practical system tools set specially designed for advanced Windows users to tweak and streamline their Windows experience for greater productivity, developed by Microsoft. These utilities add or change features to maximize productivity or add more customizations to the system functionality.

WinSlap is a free and open-source handy tool for quickly configuring a Windows 10 installation with a series of useful tweaks and settings. It was originally developed for personal use only by Sven Mauch from Germany, so there is no guarantee that it works as intended, doesn't break your system or is actively maintained.

OpenBOR (short for Open Beats of Rage) is a free, open-source, sprite-based 2D side scrolling video game engine (not a console emulator) for Windows, Linux, Android, PSP and WII platforms. Users from all over the world have used it to create a lot of interesting Doujin games based on Double Dragon, Streets of Rage, Final Fight, The King Of Fighters, Street Fighter, Metal Slug, and more.