01 / Local-First Systems

Local-first software & systems.

Independent engineering from hardware-rooted security to local-first desktop software. Tools built with zero telemetry, no tracking, and local data ownership.

02 / Core Product

TPM 2.0 · Windows Hello CNG · Rust IPC ● Flagship

FURSOY Vault

Hardware-rooted defense against browser session hijacking. Isolates authentication cookies from Chromium profiles behind TPM 2.0 cryptographic indices and unseals them on demand via Windows Hello biometrics and Linux TPM policy sessions.

vault.fursoy.com

03 / Desktop Software & Prototypes

Rust · Tauri 2 · Windows Desktop ● Beta · In Development

FURSOY Mail

Lightweight, local-first Windows desktop email client with instant verification code detection. Delivers native notifications with one-click OTP copy—no inbox hunting, no cloud relays. Currently in active beta development.

mail.fursoy.com

.NET 8 · WPF · CefSharp · Sandbox ● Sandbox

FURSOY Browser

Exploratory desktop browser prototype investigating Chromium tab vector geometry (tab_style.cc), omnibox navigation resolvers, and embedded Chromium mechanics with 273 automated smoke tests.

github.com/FURSOY/fursoy-browser