Why NeoHtop’s 9.2k GitHub Stars Make It a Must‑Try Cross‑Platform System Monitor

Why a New System Monitor Was Needed

Running several Java services in IDEA, MySQL, dozens of Chrome tabs, and AI tools like Codex on a single machine caused the fan to spin loudly and the system to lag, prompting the author to look for a clearer alternative to macOS Activity Monitor.

What NeoHtop Is

NeoHtop is an open‑source, cross‑platform system monitor built with a Rust/Tauri backend and a Svelte front‑end. It runs on macOS, Linux, and Windows under the MIT license and requires no configuration before use.

Feature Details

System Resource Monitoring

The top pane shows cards for overall system state: per‑core CPU usage, total and used memory, remaining disk space, network send/receive speed, uptime, and load average. Data refreshes every second by default, with adjustable intervals or a pause option.

Process Search

A search box lets users filter processes by name, command, or PID. It supports regular expressions—e.g., entering d$ lists all daemon processes—and multiple comma‑separated keywords, making it easy to locate specific processes among hundreds.

Process Management

Each process row includes three buttons: pin to the top, view details, and kill the process. Pinning keeps frequently used services (e.g., IDEA or Java processes) visible, while the kill button replaces the manual kill <PID> command. Clicking a column header such as CPU% sorts the list, surfacing the most resource‑hungry processes.

UI Themes

NeoHtop ships with over a dozen themes, defaulting to a dark scheme. Themes like Catppuccin, Dracula, and Tokyo Night can be switched instantly with the t key, offering a polished visual experience uncommon in many open‑source tools.

Terminal Version neohtop‑cli

For headless environments, the author provides neohtop‑cli, written in Go using the Charm ecosystem. It mirrors the desktop UI’s core views—per‑core CPU graphs, memory bars, and a process tree—supports the same regex search with highlighted matches, and includes the same 15 built‑in themes.

Quick Start

Desktop installation is as simple as downloading the appropriate package from the GitHub Releases page. Package‑manager users can run: brew install --cask neohtop on macOS or:

scoop bucket add extras
scoop install extras/neohtop

Some processes require administrator rights; on macOS the full process list is visible when launching with sudo /Applications/NeoHtop.app/Contents/MacOS/NeoHtop.

The CLI can be installed with npm: npm install -g neohtop-cli After installation, running neohtop-cli displays the same monitoring view on macOS, Linux, or Windows.

Who Should Use It

It shines when a machine overheats or the fan revs up—quickly pinpointing the offending Chrome tab, runaway compilation task, or stray background service. It also helps track memory growth during local large‑model inference, Docker workloads, or a suite of micro‑services. On headless servers, the CLI provides a concise snapshot via SSH.

Author’s Assessment

The system‑monitoring space is crowded with tools like btop, htop, and glances. NeoHtop’s advantages are its attractive UI and zero‑configuration launch, which appeal to most users. Separating the desktop and CLI versions also avoids forcing a graphical interface on terminal‑only workflows.

However, its feature depth lags behind btop: it lacks GPU monitoring and offers only basic network statistics, making it unsuitable for deep performance analysis. In such cases, the author still prefers btop on servers.

Conclusion

If you want a visually pleasing, ready‑to‑use system monitor for everyday development work, NeoHtop is worth installing. For intensive performance diagnostics, you may need a more feature‑rich tool.

Open‑Source Links

https://github.com/Abdenasser/neohtop

https://github.com/Abdenasser/neohtop-cli