For the past 8 months, I’ve been building PelSure — an offline-first Windows desktop suite designed specifically for independent insurance brokers and small agencies.

Most insurance agency management systems (AMS) like Applied Epic or EZLynx follow a predictable pattern:

$150 to $500 per month per seat .

All confidential client data lives in someone else's cloud.

500 MB+ bloated Electron installers that chew through RAM.

Total vendor lock-in with tedious migration paths.

I wanted to challenge that entire model. Independent brokers shouldn't have to surrender their client books or pay thousands of dollars a year just to quote policies and keep track of renewals.

Here is the technical and architectural breakdown of how I built an offline-first alternative that runs in an 8 MB footprint .

🛠️ The Tech Stack

Instead of bundling Chromium and Node.js via Electron, I went with Tauri 2.0 :

Desktop Shell: Tauri 2.0 (Rust backend leveraging system native WebView2)

Frontend: React 18 + TypeScript + Tailwind…