Free Tool

PropertySystemView is a handy tool for viewing/modifying file properties from a GUI and the command-line. Also allows you to set properties of Windows. Thanks go to Ashwin for the suggestion.

MariaDB Server is an open-source database server that turns data into structured information in a wide array of applications. Fast, scalable and robust, it offers a rich ecosystem of storage engines, plugins and tools as well as GIS and JSON features.

Shorewall is high-level tool that helps with configuring Netfilter. You first enter your firewall/Gateway requirements in a set of configuration files. Then in combination with iptables, iptables-restore, ip and tc utilities; Shorewall configures Netfilter and the Linux networking subsystem. Can be used on a dedicated firewall system, a multi-function gateway/router/server or on a standalone GNU

Ciphey is an automated deciphering/decoding tool that uses a deep neural network and simple filtering to figure out what type of encoding was used. Input the encoded text, get deciphered text back. Recommended by bbno3.

CyberDuck is a libre server and cloud storage browser for Mac and Windows. Provides support for FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox. Thanks for this one go to coolsheep769, who describes it as an "SFTP/FTP/whatever client for MacOS."

mtail extracts metrics from application logs so they can be exported into a timeseries database or timeseries calculator for alerting and dashboarding. Serves as a link between applications that don't export their own internal state (other than via logs) and existing monitoring systems. SuperQue explains, "It works best with Prometheus, but can also integrate with other systems that support

tinc is a VPN daemon that uses tunnelling and encryption to create a secure private network between internet hosts. Appears to the IP-level network code as a normal network device, so you don't need to adapt any existing software. lucb1e recommends it as "a mesh vpn (that's) free to infinite devices."

Gitea is an open-source solution designed to provide the easiest, most-painless way to set up a self-hosted Git service. In addition to version control, it offers collaborative features like bug tracking and wikis. Supports Linux, macOS and Windows, on architectures like amd64, i386, ARM, PowerPC and others. Our thanks for this one go to networkwise.