Tauri System Monitor (Task Manager)
A lightweight, cross-platform system monitoring tool (Task Manager alternative) built with Rust and Tauri. It reads low-level OS telemetry (CPU, RAM, Disk and Network I/O, processes) and streams it over Tauri's IPC bridge to a reactive React frontend.
Tech stack
- Languages
- Frameworks & libraries
Performance & metrics
- Core logic compiled to native machine code eliminates V8 overhead and drastically reduces baseline RAM compared to Electron apps
- Optimized CPU sampling loop with deterministic thread sleeping (
MINIMUM_CPU_UPDATE_INTERVAL) for accurate CPU deltas without thread thrashing - Low-latency IPC streaming from Rust to the UI
- Very low background resource consumption
Why I built it
Standard task managers are either OS-locked (like Windows Task Manager) or built on Electron, which bundles a full Chromium instance and Node.js runtime — ironically consuming the very RAM it is trying to monitor. I wanted a universally deployable, bare-metal fast monitor that respects system resources, and a demonstration of how to bridge low-level OS system calls to a modern web UI securely and efficiently, with no Node.js backend at all.
Architecture & decisions
The backend is written purely in Rust, using the sysinfo crate to hook directly into cross-platform OS APIs (e.g., procfs on Linux, WMI on Windows). It calculates instantaneous CPU deltas, tracks discrete disk I/O writes, and aggregates memory allocations. This raw telemetry is bound to Rust structs, serialized into JSON via serde, and transmitted asynchronously over Tauri's IPC boundary (invoke). The presentation layer is a component-driven React application using React Router for isolated view management and hooks (useEffect, useState) for periodic state hydration; the UI acts purely as a consumer, so no business logic ever blocks the render thread.
Key features
- 01Real-time OS telemetry: per-core CPU deltas, Memory/Swap utilization, Disk I/O, and network interface throughput
- 02Active process tracking and memory footprint analysis
- 03Cross-platform compatibility (Windows, macOS, Linux) through a unified Rust backend that abstracts kernel differences
- 04Asynchronous IPC routing native system data directly to isolated React components
- 05Zero-Node.js backend using Tauri's lightweight WebView for the presentation layer
Related projects
Lain's Vault: Encrypted Workspace
A secure, multi-user desktop vault for encrypted file management and native Markdown editing. Files and folders are encrypted with AES-256 (CBC mode) behind a double-key system — down to their very file names.
- Rust
- TypeScript
- C#
- +7
AudioLoom v4.0: Tauri & Svelte Desktop DAW
A lightweight, cross-platform Digital Audio Workstation (DAW) built with Tauri and SvelteKit. Features multi-track mixing, real-time waveform rendering, precise region cutting/trimming via FFmpeg, and a heavily optimized Web Audio API playback engine backed by an asynchronous Rust backend.
- Rust
- TypeScript
- CSS
- +8
Lain Wave: Offline High-Fidelity (FLAC) Audio Player
A subscription-free, strictly local desktop digital music library built on Tauri and SvelteKit, engineered for high-fidelity (FLAC) media archiving and offline playback.
- Rust
- TypeScript
- SQL
- +8
Need something similar?
I can build a system like this for you, too.
Describe your project in a few sentences, and we'll work out the right approach and an estimated scope together.