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Hello, I’m a

• software developer. Check my GitHub.
• security researcher.
• 日本語学習者です。はじめまして。

tech projects

• GPU.ST, a platform to instantly deploy GPU instances over SSH (2026)
• A single-file fork of PicoTLS, a TLS 1.3 library in C (2023)
• Tools for the LLaMA tokenizer (2023)
• Discovery of CVE-2023-27566 (MOC3ingbird - Live2D: A Security Trainwreck) (2023)
• Majokko, a lightweight ImageMagick alternative (2023)
• Cross-compilation toolchain for Cosmopolitan libc (2022)
• MyGPT, a now-shutdown tool to share ChatGPT logs (2022)
• AI or Human Image Quiz (Results) (2022)
• A RISC-V emulator in Zig (2021)
• Hidamari OS kernel (2020)
• Jangle Discord API server implementation (2020)
• ra1nstorm Jailbreak Helper (2019)

ongoing things

• I operate AS211233 on the Internet. Try pinging one of my routers: ping 2a0a:6040:8e00::1 if you have a working v6 stack. For peering inquiries, email noc (the “at” sign) ronsor.com.

internationalization

Some of my posts are available in other languages:

• 日本語 (ja)
• 简体中文 (zh-cn)

I am thankful for the readers who help my posts reach a wider audience. If you want to translate any of my posts, feel free to reach out.

direct contact

You can directly contact me by email at ronsor (the “at” sign) ronsor.com. I’m also on Twitter “X” as @RonsorOS; however, that is far from the most reliable way to reach me. I’m also on Bluesky @ronsor.pw.