frei

Modern replacement for the free command with colored bar charts and multiple output formats.

Author: alexcoder04
Alternative to: free (See 1 other)
Language: Go
This page last updated:

frei is a Go rewrite of the Unix free command that displays memory and swap usage as colored bar charts in the style of htop.

Features

  • Displays RAM and swap usage from /proc/meminfo as colored bar charts
  • Uses the same color scheme as htop for visual consistency
  • Multiple output formats: chart, table, charttable, plain text, and JSON
  • -h flag for human-readable number formatting
  • Correctly distinguishes between "free" and "available" memory
frei showing RAM and swap usage as colored bar charts
frei showing RAM and swap usage as colored bar charts

Availability

Available on Linux. Pre-compiled binaries for i386, amd64, and ARM; also available on the AUR.