• Programming languages: Python, JavaScript, PHP, Visual Basic
• Frameworks: Django, FastAPI, Flask
• HTTP-servers: Nginx, Apache HTTP Server
• Application servers: Node, Uvicorn, Gunicorn
• XML-technologies: XSLT, XSD, DTD, OOXML, XLIFF, DITA
• Databases: MySQL, SQLite
• Plugins: Wordpress plugins, Chrome Extensions, Firefox Browser Add-ons
• Bots: Telegram Bots API, Google Dialogflow
• Macroses: LibreOffice Calc
• Frontend: HTML5, CSS3, Bootstrap, React
• Google Workspace web-platform: Google App Script, Google Sheet Add-ons, Google Docs API, Google Drive API, Google Forms API, Google Calendar API, Gmail API, Google Tasks API
• AWS ecosystem: API Gateway, Lambda, DynamoDB, Event Bridge, Step Functions, Neptune, Comprehend, Lex, CloudFormation, S3, AIM, Cognito