Open Source — Self-host or try hosted

A lightweight client
for Gmail.

LowFat is an open-source, third-party client for Gmail. Server-rendered on the edge, designed to use minimal browser memory. *Not affiliated with Google.

Browser Memory Usage (Typical)

Traditional Webmail ~300 MB
300 MB
LowFat Mail ~60 MB
60 MB

Open source, lightweight by design.

A server-rendered email client you can self-host. Minimal JavaScript, no tracking, just fast email.

Server-Side Rendered

HTML is rendered on Cloudflare's edge network. Your browser receives lean, ready-to-display pages instead of megabytes of JS.

🧳

Low Memory Footprint

Server-side rendering means your browser receives minimal HTML instead of heavy JavaScript bundles. Leave it open all day without slowing down your machine.

🌏

Edge-Deployed

Runs on Cloudflare Workers across 300+ cities worldwide. Sub-50ms response times no matter where you are.

🔒

Privacy First

Your credentials stay encrypted in secure KV storage. No analytics, no tracking, no ads. Zero data harvesting.

🎨

Dark Mode

Automatic dark mode that follows your system preference. Easy on the eyes, day and night.

📱

Responsive

Works beautifully on desktop, tablet, and mobile. No app install required — it's just a website.

Open-source productivity tools,
built for the modern web.

Lightweight third-party clients you can self-host or use our hosted version.

Live

LowFat Mail

Open-source email client that connects to your account via the Gmail API. Search, compose, reply, labels, and attachments.

View Source
~60MB Memory Usage
<50ms Edge Response
0 Trackers
Coming Soon

LowFat Calendar

A lightweight, server-rendered calendar client. The same approach applied to scheduling. Stay tuned.

In Development
Q3 Target Launch
~80MB Target Memory

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