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Regex lessons beside a cheatsheet and playground

AI ad generator for video, UGC, and image ads.

LAN, Wi-Fi and Internet diagnostics on a phone

A web stack for publishers and brands to manage AI agent access.

Generate and replay traffic for controlled network tests

See a website from several geographic browser locations

Simulate systematic portfolios with detailed trade and risk reports

Chip-design, manufacturing and packaging analysis

Programming contests with a permanent practice entry point

Generate font pairings in one click

A topic-organized collection of programming tutorials

A personal garden-writing archive with seed and growing projects