Programming languages
- C/C++
- Rust
- JavaScript
- TypeScript
- PHP
- Python
- Perl
- Node.js
- SQL
- Java
Patterns
Automated testing
Markup languages
File formats
Libraries
Video players
Frameworks
- Svelte
- React
- Angular
- Compass
CMS
- Drupal
- WordPress
- MediaWiki
- Tiddlywiki
- CiviCRM
Databases
APIs
Web Servers
Version control
Tools
- Asana
- Confluence
- Jira
- RT Request Tracker
- Tiddlywiki
Teamworking
- Google Meet
- Zoom
- Skype
- Slack
- Twist
System administration
- Linux Fedora
- Linux Debian
- bash
- ssh
- sshfs
- rsync
- SELinux
- crontab
- LVM
- VPN
- MRTG
- Docker
- AIX
- HP-UX
- Nagios
- Monit
- AWS
- Digital Ocean
- Ansible
Protocols
- SNMP
- SMTP
- TCP
- UDP
- Websockets
- DNS
- Adobe HTTP Dynamic Streaming
- VoIP
Documentation
IDEs
- WebStorm
- Visual Studio Code