BentoPDF

BentoPDF is a web site that offers several tools to modify/edit .PDF files.

https://bentopdf.com/

https://www.howtogeek.com/i-quit-paying-for-adobe-acrobat-after-trying-out-this-free-pdf-editor/

Waterfox

Waterfox is a web browser based on Firefox with a focus on privacy.

https://www.waterfox.com/

weborf

Weborf is a web server service designed to be a simple method to share files.

https://codeberg.org/ltworf/weborf/

Trippy

Trippy is a network utility that combines the functionality of ping and traceroute.

https://github.com/fujiapple852/trippy

https://trippy.rs/

procs

Procs is a replacement for ps within Linux.

https://github.com/dalance/procs

https://www.howtogeek.com/modern-cli-tools-that-have-replaced-ps-df-and-curl-for-me/

idPowerApp

idPowerApp is a collection of mini-apps for Microsoft Entra.  One example is Conditional Access Documenter, which exports conditional access policies to a PowerPoint format.

https://idpowerapp.com/

https://petri.com/visualising-conditional-access-policies-with-idpowerapp/

Kiwix

Kiwix is a cross-platform application for reading Wikipedia and other archives without an internet connection by downloading the content ahead of time.

https://kiwix.org/

https://www.howtogeek.com/kiwixs-windows-and-linux-app-for-browsing-wikipedia-offline-just-got-a-big-update/

GreyNoise IP Checker

GreyNoise has a web site that checks the external IP address in question to determine if malware was been detected in the past.

https://check.labs.greynoise.io/

https://www.bleepingcomputer.com/news/security/greynoise-launches-free-scanner-to-check-if-youre-part-of-a-botnet/

Technitium DNS Server

Technitium DNS Server is available for multiple platforms and offers a web-based dashboard.

https://technitium.com/dns/

https://www.howtogeek.com/block-ad-traffic-and-speed-up-your-browsing-with-these-3-free-open-source-dns-tools/

Mailspring

Mailspring is an email client that offers a basic edition for free.

https://www.getmailspring.com/

https://www.howtogeek.com/i-replaced-outlook-with-this-open-source-email-client-and-it-is-not-thunderbird/