PHP 4+ Laravel 9+ WordPress* Python 3 FastAPI

MySQL SQLite Redis Postgres*

C++23* Qt (4,5,6) libboost STL

JS ReactJS JSX jQuery Bootstrap 5 HTML 5 CSS

Windows Linux Android MacOS iOS Kotlin* Asm (masm, gas)

TCP/IP OpenSSL HTTP (1.0/1.1) HTTP/2 HTTP/3 FTP DNS HTTPS SOCKS (4,4a,5) SMTP POP3 SSH

Apache Nginx CGI FastCGI SSI

XSS CSRF SQL injections Buffer overflow MITM

XML JSON ProtoBuf webSocket Unicode Regex CURL OpenCV ICU FFmpeg WebKit Computer Vision*