- Software Application Development: .NET (C#, VB.NET, F#), Python - Reverse Engineering: OllyDbg, IDA Ghidra,, Remnux, Malware analysis, Binary Reversing, Firmware Reversing - Software Security: Anti-piracy schemes, Anti-cracking, Software protection - Vulnerability Testing: Vulnerability Assessment, Penetration Testing using Kali Linux, SamuraiWTF, ParrotSecurity, Remnux, Blackarch - Hardware development: Arduino, Raspberry - Data - Web Scraping: Scrapy, Scrapinghub - Database Design: MySQL, Oracle, SQL Server, SQLite, NoSQL