OpenNetMeter monitors your network speed and data usage. It shows the current session's usage, the data usage for today, and detailed usage for any period up to the past 60 days. A mini widget can be placed over the taskbar to display the network speed.
What's new in 0.15.0
Replaced the previous graphing approach with a custom-drawn speed chart for more control and cleaner rendering
Added a weekly trend card to the summary view
Added sortable table controls and cleaner stat row components
Added search about process online to the summary and history tables
Added fallback icons when a process icon cannot be loaded
Fixed Windows freezes during high-throughput network capture
Fixed access-denied and race-condition issues while loading process icons
Fixed repeated task scheduler errors on repeated app launches
Fixed UI update dispatch issues for summary values when network state changes
Fixed startup issues after reconnects and history profile reloads
Fixed SQLite cleanup before deleting usage data
Fixed mini-widget position persistence and restoration
Fixed recovery of windows that were moved off-screen
Fixed default settings for the mini-widget transparency slider
Improved database error handling and startup robustness
Cleaned up the installer and removed the unnecessary .NET runtime compatibility gate
Refined theme colors and light-mode styling
Improved summary/history table wrapping for long process names
Updated DatePicker styling and visual polish
Adjusted main window sizing and general UI spacing
Improved graph readability with Y-axis labeling and text scaling
Continued migration toward the Avalonia-based app structure
Improved tray, widget, and overall app lifecycle behavior
Updated packaging and build flow for the Avalonia-published release
Added an upgrade detection dialog to better handle upgrade scenarios.
Added an installer custom action to close a running app instance during uninstall.
Changed
Updated the desktop shortcut component GUID.
Removed unused event log installer components.
Fixed
Fixed MSI upgrade behavior that could remove saved user files.
0.14.0Feb 4, 2026
What's Changed Significant UI rework - Feature/pin mini widget in #86 - Mini widget rework in #87 - new summary tab data usage filter option in #88 - process app icon in #89 - option to set a custom network speed format, fixed or auto in #90 - network monitor bug fix in #91 - Feature/settings page UI rework in #92 - Theme color refactor in #96 Full Changelog: v0.13.1...v0.14.0.0
Frequently asked questions
Is OpenNetMeter free?
Yes. OpenNetMeter is free and open-source software released under the Apache-2.0 license.
What is the latest version of OpenNetMeter?
The latest version is 0.15.0, released on Sep 20, 2026.
Is it safe to download OpenNetMeter?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with fb4fe6ae18dbe50534599f6541619d87d3973ffe7df656365d9d8d2f29a2ed7f.
Which Windows versions does OpenNetMeter support?
OpenNetMeter runs on Windows and is available for 64-bit (x64) systems.
How do I install OpenNetMeter silently?
Run the offline installer with msiexec /i "OpenNetMeter-0.15.0.msi" /quiet /norestart, or install it with Windows Package Manager: winget install --id=Ashfaaq18.OpenNetMeter -e --silent.
How do I uninstall OpenNetMeter?
Open Settings › Apps › Installed apps, find OpenNetMeter and select Uninstall. From the command line, run winget uninstall --id=Ashfaaq18.OpenNetMeter -e.
Alternatives to OpenNetMeter
Other Networking programs for Windows from different developers.