| Sub3 Suite is a subdomain enumeration suite: | https://digibeard.io/go/subsuite3-is-a-research-grade-subdomain-enumeration-suite |
| Teach Yourself CS: | https://digibeard.io/go/teach-yourself-cs |
| Lurnby: A tool for active reading and personal knowledge management: | https://digibeard.io/go/lurnby-a-tool-for-active-reading-and-personal-knowledge-management |
| An overview of semantic Python: | https://digibeard.io/go/semantic-python-overview |
| Fedora/CentOS/RHEL Linux Guide: | https://digibeard.io/go/fedora-centos-rhel-linux-guide |