Open-source browser prototype

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Nimlo exists to give the world a choice: a browser shaped around speed, privacy, local control, and the simple pleasure of exploring the web without corporate clutter.

Nimlo 0.1.0 for Apple Silicon

Download the first macOS prototype.

Try the current Nimlo app bundle as a DMG for Apple Silicon Macs. This is an experimental release, not a production browser replacement.

Requires macOS 13 or newer. Built for arm64.

The web deserves more than one shape.

Modern browsers are powerful, but they have also become enormous platforms for ads, accounts, tracking, growth systems, and features many people never asked for.

Nimlo starts small on purpose: a quiet browser shell built in Zig, using the system WebView today while growing user-owned browser features around it over time.

Nimlo browser prototype mockup

Built for user control.

Private by default

No telemetry, no forced account, and nonpersistent browsing storage in the current prototype.

Small enough to understand

The first goal is a readable browser shell with clear boundaries between app, tabs, WebView, and storage.

Useful before it is huge

Nimlo does not try to replace the whole browser engine first. It ships a usable shell and deepens from there.

Prototype status.

Nimlo is not a production browser yet. The macOS prototype currently focuses on a fast, minimal shell with reliable tab and WebView lifecycle behavior.

  • Native macOS window chrome
  • Independent WebView per tab
  • Address bar and navigation controls
  • New, close, and switch tabs
  • Nonpersistent WebKit data store
  • No ads, telemetry, or accounts