All software listed is FOSS.
- Librespeed - Self-hosted speedtest
- Code Server - VS Code instance that you can access through the browser
- changedetection.io - Detect changes in a website or part of website and notify you when that happens
- Material for MkDocs - Wiki/knowledge base
- Gitea - GitHub alternative. You might wanna consider Forgejo instead. I don't care enough personally to switch.