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HWall

Free#14 of 59 in Hardware Monitoring Software

HWall: A free, open-source Linux monitor with live sensors, history, alerts, reports, and an HTTP API. Ranked #14 of 59 in Hardware Monitoring Software by our editors (7.3/10); pricing: Free plan; best for linux desktop and server sensor monitoring.

7.3/10Editor score

Visit HWall

HWall7.3 Visit HWall

At a glance

Editor score
7.3 / 10
Pricing
Free plan
Best for
Linux desktop and server sensor monitoring
Free plan
Yes
Paid from
Free
Remote monitoring
No
Facts checked
24 Sep 2026

Where it wins
- Broad live readings across temperature, power, storage, network, and utilization
- Hardware inventory includes processors, memory, graphics, firmware, and devices
- Alerts, bounded history, exports, reports, and an HTTP JSON API
Where it doesn't
- Linux-only support limits cross-platform monitoring
- Sensor history is bounded to a maximum of 24 hours
- User-defined custom sensors are not documented

Our verdict on HWall

HWall is a free, open-source hardware monitoring and inventory application for Linux desktops and servers. Written in Rust, it offers both a GTK 4 graphical interface and an interactive terminal monitor. Its read-only approach covers live temperatures, fan speeds, voltages, utilization, clocks, storage activity, network rates, and power readings, alongside hardware information for processors, memory, graphics, storage, Bluetooth, USB, PCI, batteries, firmware, and security devices. Optional SMART and NVMe health information adds storage-specific visibility.

For monitoring depth, HWall combines current, minimum, maximum, average, and sample-count statistics with configurable in-memory history and charts. The published documentation describes a default one-minute history setting and a shared maximum of 24 hours. CSV and JSON Lines exports support further analysis, while human-readable reports, filtered sensor output, JSON export, and JSON Lines streaming provide several ways to retrieve information. Per-sensor warning and critical thresholds can trigger desktop notifications. The HTTP JSON API exposes sensor, mixed, and hardware snapshots, making the tool suitable for workflows that need structured read-only data.

HWall fits Linux-focused users who want detailed local visibility without a paid tier, including administrators and developers working with kernel, firmware, driver, and helper-tool readings. Its ecosystem connects with lm-sensors, hwdata, BlueZ, ethtool, smartmontools, nvme-cli, nvidia-smi, and dmidecode. The main trade-offs are its Linux-only scope, bounded history, desktop-notification alert channel, and lack of documented user-defined custom sensors. Choose HWall when live Linux hardware data, inventory, exports, and an API matter more than long-term retention or multi-platform coverage.

Your product? Our editors can test HWall in depth and publish a review, labelled as paid · from $149/mo →

HWall pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on github.com

HWall fact sheet

Free plan	Yes
Paid from	Free
Supported platforms	Linux
Remote monitoring	No
Monitored device limit	Not verified
Sensor history	Not verified
Alert channels	desktop notifications
Custom sensor support	Not verified
Deployment	Desktop
Platforms	Linux
Built for	Solo, Small business (editorial estimate)
Integrations	8 integrations: lm-sensors, hwdata, BlueZ, ethtool, smartmontools, nvme-cli …
Pricing	Free plan
Website	github.com
Facts checked	24 Sep 2026

HWall integrations

HWall lists 8 integrations on its own site.

lm-sensors
hwdata
BlueZ
ethtool
smartmontools
nvme-cli
NVIDIA utilities (nvidia-smi)
dmidecode

Alternatives to HWall

See all HWall alternatives →

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Featured on iTechGuides

HWall is listed in our Hardware Monitoring Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update