Windows Resource Monitor alternatives

Windows Resource Monitor still does what Task Manager cannot. Open resmon.exe and you get per-process disk writes, the exact files a process has open, live network peers with remote IPs, and hard-fault activity you can trace to a runaway service. It’s the kind of visibility that turns “why is my drive light on” into a two-minute answer.

The catch is that Resource Monitor stopped getting attention years ago. The UI hasn’t moved, the export options are thin, and once you outgrow “what’s happening right now,” you want tools that log over time, chart across metrics, or dig deeper into handles and drivers. We tested seven Resource Monitor alternatives for Windows and ranked them on depth, live-view usability, and how quickly they answer the questions Task Manager can’t.

Quick comparison

Tool Best for Free plan Paid tier Standout
Process Explorer Sysinternals-grade process detail Fully free None Handle and DLL search, verified signatures
System Informer Modern open-source Process Hacker successor Fully free None Kernel driver, deeper than Task Manager
HWiNFO Sensor logging and hardware detail Free for personal use HWiNFO Pro for commercial Every temperature, fan, and voltage
Process Lasso Automating CPU affinity and priority Free tier Around $30 lifetime ProBalance keeps foreground apps snappy
GlassWire Per-app network visibility Free tier Around $2.50/mo Basic Firewall + bandwidth over time
Performance Monitor Long-term counter logging Built into Windows None Data collector sets, ETW backing
LibreHardwareMonitor Open-source sensor readout Fully free None Fork of Open Hardware Monitor, actively maintained

Why people leave Resource Monitor

No history, no export. Resmon shows a live snapshot with a couple of minutes of rolling charts. If you close the window, the evidence is gone. Reproducing an intermittent issue means keeping the window open the whole time.

No handles, no DLL search. When a file “cannot be deleted because it’s open in another process,” Resource Monitor can name the process but not tell you which handle. Sysinternals Process Explorer solved that in the mid-2000s.

Thin sensor data. CPU, disk, network, and memory are the whole story. Temperatures, per-core clocks, fan speeds, and voltage sensors aren’t part of resmon.

No per-app firewalling. Seeing that a process is talking to a remote IP is useful. Blocking it from doing so isn’t part of the tool.

The best Windows Resource Monitor alternatives

Process Explorer, best Sysinternals-grade process detail

Process Explorer is what Task Manager would look like if the same team that wrote Windows internals had shipped it. Process tree by parent-child relationship, verified digital signatures, VirusTotal lookups per process, handle and DLL search, and the graph views resmon should have had by default.

Process Explorer vs Resource Monitor on real work: Process Explorer wins on “which process has this file open.” Resource Monitor wins on live network endpoints at a glance. Most admins keep both.

Where it falls short: No history, no logging. It’s a live tool, same as resmon.

Pricing:

Migrating from Resource Monitor: Nothing to migrate. Download procexp64.exe, optionally set it as your default Task Manager replacement via Options → Replace Task Manager.

Download: Microsoft Sysinternals

Bottom line: The right pick when the question is “which process is doing this,” not “what’s the system doing right now.”

System Informer, best modern open-source Process Hacker successor

System Informer is the actively maintained successor to Process Hacker, now under new stewardship. It goes deeper than Task Manager or Process Explorer in some places: kernel-mode driver for low-level info, better handle inspection, terminal and thread views, and a plugin architecture.

System Informer vs Resource Monitor: it’s a full superset for process work and adds performance graphs per process. It’s also more visually dense; there’s a learning curve.

Where it falls short: No unified network per-flow view the way resmon shows remote IPs by process (System Informer’s network tab is less immediate). The kernel driver install trips some security tools.

Pricing:

Migrating from Resource Monitor: No settings to move. Install the portable build if you’d rather not touch the driver setup.

Download: systeminformer.sourceforge.io

Bottom line: The right pick for the “I want everything Task Manager hides” workflow.

HWiNFO, best sensor logging and hardware detail

HWiNFO does what resmon actively doesn’t: read every sensor on the machine. CPU package temps, per-core clocks, VRM temps, drive temps via SMART, GPU hotspots, fan tach, PSU rails on supported motherboards, all in one tree with live values and min/max/average tracking.

HWiNFO vs Resource Monitor: they answer different questions. Resmon tells you which process is doing IO right now; HWiNFO tells you whether the drive doing that IO is running hot enough to throttle.

Where it falls short: No per-process view. It’s a hardware tool, not a process tool. The default UI is dense to the point of intimidating on first launch.

Pricing:

Migrating from Resource Monitor: Complementary rather than replacement. Run both, or leave HWiNFO in Sensors-only mode with logging enabled to CSV for later charting.

Download: hwinfo.com

Bottom line: The right pick when the question turns from “which process” to “what is the machine doing thermally.”

Process Lasso, best for automating CPU affinity and priority

Process Lasso goes past monitoring into action. Its ProBalance feature demotes background processes when the foreground is contending for CPU, saving you the muscle memory of setting priorities by hand. You can pin processes to specific cores, block a game from ever losing focus, or apply persistent CPU limits.

Process Lasso vs Resource Monitor: resmon shows you the CPU picture; Process Lasso lets you change it. Different tools for different halves of the same problem.

Where it falls short: Not free-forever. The free tier is a trial with reduced features; the lifetime license is a one-time purchase. Some users find ProBalance too eager and turn it off.

Pricing:

Migrating from Resource Monitor: Nothing to migrate. Install, let ProBalance run for a day, then customize rules if defaults aren’t helping.

Download: bitsum.com/processlasso

Bottom line: The right pick when the goal is a smoother machine, not just a diagnosed one.

GlassWire, best for per-app network visibility

GlassWire does the “which process is talking to which server” part of resmon better and adds a firewall on top. Bandwidth is charted per app over time, first-time-connections trigger a notification, and you can block an app from the network in one click.

GlassWire vs Resource Monitor: resmon shows the live network picture and forgets it; GlassWire records the picture, blocks connections you don’t like, and lets you review last month’s traffic per app.

Where it falls short: The best features are gated behind Basic and above. The free tier limits history and remote monitoring.

Pricing:

Migrating from Resource Monitor: No migration. Install and let the baseline build for a day so first-connection alerts stop firing constantly.

Download: glasswire.com

Bottom line: The right pick when the network side of Resource Monitor is the part you’d pay to keep and improve.

Performance Monitor, best for long-term counter logging

Performance Monitor (perfmon.msc) is the Windows tool that already ships and that most people never open. It exposes thousands of counters from ETW and WMI, lets you build Data Collector Sets that log to CSV or SQL, and can chart against baselines.

Performance Monitor vs Resource Monitor: they’re siblings from the same era. Resmon is the friendly live view; perfmon is the logging tool underneath. If you need “was CPU pegged at 3 a.m.,” you need perfmon.

Where it falls short: The UI is 1998. Setting up a Data Collector Set for the first time takes 20 minutes of clicking through wizards. Real-time charting is basic.

Pricing:

Migrating from Resource Monitor: Nothing to migrate. Start with the built-in “System Diagnostics” collector set and add counters as you learn which you need.

Download: Built into Windows. Run perfmon.msc.

Bottom line: The right pick when the question is “what happened,” not “what is happening.”

LibreHardwareMonitor, best open-source sensor readout

LibreHardwareMonitor is the community-maintained fork of the venerable Open Hardware Monitor, and it’s the free/open-source route to per-sensor visibility. Temperatures, voltages, fan speeds, and clocks show up in one tree; the values are exposed as a WMI provider so other tools (Rainmeter, Home Assistant, custom scripts) can subscribe.

LibreHardwareMonitor vs Resource Monitor: resmon does no sensors; LibreHardwareMonitor does no processes. Different halves.

Where it falls short: Sensor coverage on very new motherboards or GPUs sometimes lags HWiNFO by a release. UI is spartan.

Pricing:

Migrating from Resource Monitor: Complementary. Run alongside resmon or in place of HWiNFO if you want an open-source stack.

Download: LibreHardwareMonitor releases

Bottom line: The right pick if you want sensor data and free software matters.

How to pick

Pick Process Explorer if “which process has this file open” is the question you keep hitting.

Pick System Informer if you want the deepest process view Windows can give you and don’t mind a kernel driver.

Pick HWiNFO if the machine is running hot and you need to know exactly what’s throttling.

Pick Process Lasso if you’re tired of manually setting priorities.

Pick GlassWire if the network side of resmon is the part you’d pay to keep.

Pick Performance Monitor if you need logs going back further than a coffee break.

Pick LibreHardwareMonitor if HWiNFO is close to what you want but you’d rather it be open-source.

Stay on Resource Monitor when you want a fast live snapshot of CPU, disk, network, and memory in one window and don’t need history, and you don’t mind that the UI hasn’t moved since Windows 7.

FAQ

Is Process Explorer better than Resource Monitor? For process work, yes. It shows handles, DLLs, verified signatures, and per-process detail resmon doesn’t reach. For a live systemwide snapshot of CPU/disk/network/memory, Resource Monitor is still the faster read. Most admins keep both.

What is the best free Resource Monitor alternative? Process Explorer for process depth, LibreHardwareMonitor for sensor data, System Informer for the modern deep view, and Performance Monitor for long-term logging are all free. Together they cover most of what Resource Monitor doesn’t.

Can I replace Task Manager and Resource Monitor with one tool? Process Explorer can replace Task Manager as the default (Options → Replace Task Manager). It does not replace Resource Monitor’s live per-process disk activity or exact-file view, but System Informer comes close.

Does Windows 11 have a better Resource Monitor? No. The Windows 11 Task Manager was redesigned; Resource Monitor did not change. If you want better, use the tools above.

Is HWiNFO safe for daily use? Yes. Set it to Sensors-only mode on launch, hide the main window, and let it sit in the tray. Logging to CSV is disabled by default; turn it on only when you need it, because the file grows quickly.

What replaces Process Hacker? System Informer is the actively maintained continuation of Process Hacker after that project’s original team stepped back. Same feature set, current release cadence.