As of March 16th 2023, my favorite software (besides from Simple DNS Plus) is:
Software Development tools
Software development components / libraries
Certify SSL Manager - https://certifytheweb.com
Software to automate installation and renewal of free Let's Encrypt SSL certificates on IIS / Windows Server.
Of course it has an option to authenticate via DNS by updating DNS records in Simple DNS Plus :-)
Syncthing - https://syncthing.net
For backup and syncing files between devices.
SoftEther VPN - https://www.softether.org
Nice VPN server software.
SmarterTrack - https://www.smartertools.com/smartertrack
Help desk software - self hosted on Windows/IIS.
I have been using this on and off for many years, and keep coming back to it.
Desktop software / Utilities
SyncBackPro / SyncBack Touch - https://www.2brightsparks.com New in 2023
Great for backup / syncing files / web-site deployment.
ClipClip - https://clipclip.com
Clipboard manager / screen shots.
Notion - https://notion.so
Notes, kanban boards, etc.
Discord - https://discord.com 2022
Nice (free) service for internal chat / communication (replaced Slack).
KeePass Password Safe - http://keepass.info
Great (free) program for storing passwords.
Storing the (encrypted) password database on DropBox makes it easy to sync between computers and my (Android) phone.
7-Zip - http://www.7-zip.org
Great for working with zip files and other compressed file archives.
I primarily use this because the built-in function for creating zip files in Windows 10 doesn't work with file names containing non-english characters.
TightVNC - https://www.tightvnc.com
For remote control of Windows "Home" edition computers. Also does file transfers.
CutePDF Professional - http://www.cutepdf.com
I mostly use it for scanning to PDF files, and for merging multiple PDF files into one.
TreeSize Free - https://www.jam-software.com/treesize_free
Figure out what is using all that hard disk space.
VirtualBox - https://www.virtualbox.org
Virtual machine software for the desktop.
Photo / Video stuff
- PaintShop Pro - https://www.paintshoppro.com
This is just a great all round photo processing app.
I have used various version of Adobe's Photoshop and Lightroom, Affinity Photo, and Capture One, and they are all great programs. But PaintShop Pro hits the sweet spot between price and features for me.