lsof Alternatives

Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.

htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.

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A function tracer for the Linux kernel.

Sysdig is an open source, system-level exploration that capture system state and activity from a running Linux instance, then save, filter and analyze.

Open Source

Perf is a simple app monitoring solution paired with meaningful alerts.

Open Source

See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

Open Source freemium $15.0 / Monthly (per host)

Valgrind is an instrumentation framework for building dynamic analysis tools.

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DTrace is a performance analysis and troubleshooting tool for Solaris, Mac OS X and FreeBSD.

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Open Source

Track, record, alert and visualize performance and availability of IT resources

Open Source free

ltrace intercepts and records dynamic library calls which are called by an executed process and the...

vtop is a graphical command-line tool that uses unicode braille to chart CPU and memory usage.