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Discover tools from different categories to expand your toolkit beyond CyberSecurity.
Matrix Calculator
Matrix operations for 2×2 and 3×3 matrices: add, subtract, multiply, determinant, inverse, transpose
Math
Business Days Calculator
Calculate business days between dates excluding weekends and holidays. Add or subtract working days from a date with our free business days calculator.
Datetime
MFA Middleware
Generate and validate TOTP codes for multi-factor authentication. Test 2FA/MFA implementations.
Cybersecurity
Constellation Finder
Discover the 88 IAU constellations with mythology, bright stars, best viewing times, and deep-sky objects. Interactive constellation database for learning the night sky and planning stargazing sessions.
Astronomy