flow

Real-time network throughput in your terminal.

install

arch linux

yay -S flow-network-monitor-bin

homebrew

brew install programmersd21/flow/flow

go

go install github.com/programmersd21/flow/cmd/flow@latest

or download a binary from releases.

usage

flow
flow --tiny
flow --mini
flow --compact
flow --json
flow --json-stream

tmux

set -g status-right "#(flow --tiny --no-color)"

features

• Silky 20 FPS Animations: Sub-pixel smooth graph updates driven by spring dynamics
• Airy Unixporn Aesthetic: Open, spacious typography with clean left-stripe accent indicators
• 11 Built-in Themes: default, nord, dracula, gruvbox, forest, monochrome, catppuccin, tokyo-night, rose-pine, kanagawa, ansi
• Custom TOML Themes: Load custom color schemes from your config directory
• Network Processes: Active connection viewer by PID and process name (n)
• Interface Inspector: Real-time IP address, MAC, MTU, and link state viewer (I)
• Responsive Layouts: Auto-adapts between Hero, Compact, Mini, and Tiny modes
• Zero Overhead: Minimal CPU and memory usage (written in Go with Bubble Tea)
• Cross-Platform: Linux, macOS, and Windows support

keys

key	action
q	quit
m	cycle view mode
d	cycle display filter (both / down / up)
t	theme selector
n	network processes inspector
i	cycle network interface
I	interface details
c	cycle unit scale (auto / B/s / KB/s / MB/s)
b	toggle bits/sec vs bytes/sec
+ / -	adjust sampling interval
p	pause / resume sampling
r	reset peak counters (press twice)
g	open GitHub repository in browser
u	open GitHub issues in browser
x	open GitHub discussions in browser
$ / v	sponsor / donate on GitHub
?	help menu

configuration

Created automatically on first run:

Linux    ~/.config/flow/config.toml
macOS    ~/Library/Application Support/flow/config.toml
Windows  %APPDATA%\flow\config.toml

refresh = "100ms"
theme = "default"
unit = "auto"
interface = "auto"
bits = false
ping_target = "1.1.1.1"

development

make check
make test
make build

license

MIT