Here is one:
A web tool to test DKIM
article #1141, updated 2663 days ago

Convert many sorts of files
article #1140, updated 2664 days ago
This one is great:

Current version of PHP and other items on CentOS and RHEL
article #850, updated 2671 days ago
Here are two very helpful sources. For many general things, the EPEL repository:
http://fedoraproject.org/wiki/EPEL
and for PHP and other server-specifics, current versions and others more recent than the OSes supply by themselves, Remi:
http://rpms.remirepo.net/

Spybot Anti-Beacon
article #1139, updated 2673 days ago
This tool decommissions quite the list of Windows 7 through 10 telemetry inclusions by which Microsoft informs itself of our behavior, using quite a lot of our RAM, CPU, and bandwidth in so doing.
https://www.safer-networking.org/spybot-anti-beacon/
Brought to this forefront by the Beard, Mike Hunsinger.

Live audio feed of ocean waves and other worthwhile sounds
article #1138, updated 2675 days ago

PowerShell Gallery
article #1136, updated 2677 days ago
“The PowerShell Gallery is the central repository for PowerShell content. You can find new PowerShell commands or Desired State Configuration (DSC) resources in the Gallery.”

'dig' web interface for DNS studies
article #1137, updated 2677 days ago

Install PowerShell 5.1
article #1135, updated 2678 days ago
As part of Windows Management Framework 5.1. Not indicated for Windows 10 / Server 2016.
https://www.microsoft.com/en-us/download/details.aspx?id=54616

Windows 10 does not always automatically detect and TRIM SSDs
article #1134, updated 2679 days ago
Found this today.
- A two-month-old laptop with a SanDisk SD8SN8U-256G-1006 SSD for its C: drive, Windows 10.
- Windows had recognized the drive as a standard hard drive, not an SSD, and the laptop had slowed down a lot very recently.
- Installed the SanDisk SSD Dashboard, ran TRIM, and scheduled weekly TRIM operations.
- Laptop much faster.

ESET Uninstaller / Remover Tool
article #1133, updated 2683 days ago
If the Windows Installer method doesn’t work, ESET has a tool. It does have to be run with the OS in safe mode:
https://support.eset.com/kb2289/?locale=en_US&viewlocale=en_US