HWall is a free, read-only Linux hardware monitor and inventory application written in Rust. It offers a native GTK 4 desktop interface and a terminal interface for live temperatures, fan speeds, voltages, utilization, clocks, storage activity, network rates, and available power readings. Configurable in-memory history feeds interactive charts, with CSV or JSON Lines export. Per-sensor warning and critical alerts can use duration, hysteresis, and cooldown settings, with desktop notifications. Inventory covers processors, memory, graphics, storage, network, Bluetooth, USB, PCI, batteries, firmware, and supported security devices. HWall also produces human-readable reports, JSON exports, JSON Lines streams, and HTTP JSON snapshots through its command-line API. Optional helpers can add SMART, NVMe, sensor, Bluetooth, network, firmware, and graphics information. It reads Linux sensor interfaces without loading kernel modules or requiring administrator privileges for ordinary reads.
Who it is for
It suits Linux users who want read-only sensor monitoring, inventory, charts, alerts, exports, or an HTTP JSON API. It is also relevant to terminal users and desktop GTK users.
What is good
- Free Linux application
- GTK 4 and terminal interfaces
- Per-sensor warning and critical alerts
- Broad hardware inventory coverage
- CSV and JSON Lines exports
What to know first
- Hardware support depends on kernel and drivers
- Optional helpers are needed for some readings
- Very short intervals can consume substantial resources
- Accuracy and compatibility are not guaranteed
Verdict
HWall combines Linux sensor monitoring, hardware inventory, alerting, and export features in read-only interfaces. Its usefulness depends on the running kernel, installed drivers, hardware, and optional helper tools.
Compared on hardware monitoring software
- Free plan
- Yes
- Supported platforms
- Linux
- Remote monitoring
- Yes
- Sensor history
- 1 days
- Alert channels
- desktop notifications
- Custom sensor support
- No
