PM2 is a daemon process manager for controlling application processes and helping keep applications online.
Alternatives to System Informer
Glances is a free, open-source tool for viewing real-time system statistics and running processes across platforms.
Process Lasso is Windows software for automating process controls and helping maintain system responsiveness.
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Ambih Monitor
Ambih Monitor records each app, development server, or script launch as a session and tracks CPU, memory, disk, network, and GPU resources by project.
Free planWindows7.2From $55 a year - 5
runit
runit is a free Unix init scheme that supervises services and can replace sysvinit or other init schemes.
Free planOpen sourceLinuxmacOSSelf-hosted7.0Free plan - 6
Remote Process Explorer
Remote Process Explorer manages processes on local and remote Windows computers and shows their activity in real time.
Free planWindows6.4$149.95 one-time - 7

Autoruns
Autoruns is a free Windows utility for examining programs and drivers set to run during startup, login, or when certain built-in Windows applications open.
Free planWindows6.3Free plan - 8

TaskExplorer
TaskExplorer is a free, open-source process and system monitoring tool for Windows and Linux.
LinuxWindows6.3From €60 a year - 9
Monit
Monit is a free, open-source utility for managing and monitoring Unix systems, with automatic responses to certain errors.
Free planLinuxmacOSSelf-hosted6.2Free plan - 10
btop
btop is a free resource monitor for Linux and macOS that displays processor, memory, disk, network, and process activity.
Free planLinuxmacOS6.1Free plan - 11

htop
htop is a free, interactive process viewer for managing and inspecting processes in text-mode terminals.
Free planLinuxmacOS6.1Free plan - 12
NVTOP
NVTOP is a command-line task monitor for inspecting GPU and accelerator activity across supported devices.
Free planLinuxSelf-hosted6.1Free plan - 136.1Free plan
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Owlette
Owlette is an agent and cloud dashboard for monitoring, managing, and deploying software across unattended Windows machines.
WebAPISelf-hostedWindows6.1From $20 a month - 15

AppControl
AppControl is a free historical Task Manager for Windows that records system activity and app behavior over time.
Free planWindows6.0Free plan - 16
bottom (btm)
bottom is a free, customizable process and system monitor that runs in the terminal on Linux, macOS, and Windows.
Free planLinuxmacOSWindows6.0Free plan - 17
Supervisor
Supervisor is a free client/server system for monitoring and controlling processes on UNIX-like operating systems.
WebAPILinuxmacOS5.9 - 18
ManageEngine Free Process Manager
ManageEngine Free Process Manager is a Windows utility for identifying applications and processes using system resources and closing unwanted ones.
Free planWindows5.8Free plan - 19
atop
atop is a free, GPL-licensed performance monitor for Linux, displayed in a full-screen, character-based interface.
Free planLinux5.7Free plan - 20
iotop
iotop is a Linux program that shows which processes are using high amounts of input/output requests and lists them by I/O usage.
Free planLinux5.7Free plan - 21
nmon
nmon is a free Linux tool for systems administration, tuning, and benchmarking that collects performance information.
Free planLinuxSelf-hosted5.7Free plan - 22
s6
s6 is a free suite of UNIX programs for process supervision and low-level service administration on POSIX-compliant systems.
Free planLinuxSelf-hosted5.7Free plan - 23
winproc-tui
winproc-tui is a free, MIT-licensed terminal process monitor for Windows 11 x64, built for keyboard use.
Windows5.6 - 24
rproc
rproc is a free, open-source resource and process monitor for Linux, inspired by Windows 11 Task Manager.
Linux5.4 - 254.4
