pstree

Install command: 
brew install pstree

Show ps output as a tree

http://www.thp.uni-duisburg.de/pstree/

Formula JSON API: /api/formula/pstree.json

Bottle JSON API: /api/bottle/pstree.json

Formula code: pstree.rb on GitHub

Bottle (binary package) installation support provided for:

Intel monterey ✅
big sur ✅
catalina ✅
mojave ✅
high sierra ✅
sierra ✅
el capitan ✅
yosemite ✅
64-bit linux ✅
Apple Silicon monterey ✅
big sur ✅

Current versions:

stable ✅ 2.39

Analytics (macOS):

Installs (30 days)
pstree 2,154
Installs on Request (30 days)
pstree 2,153
Build Errors (30 days)
pstree 1
Installs (90 days)
pstree 7,790
Installs on Request (90 days)
pstree 7,783
Installs (365 days)
pstree 29,740
Installs on Request (365 days)
pstree 29,723

Analytics (Linux):

Installs (30 days)
pstree 16
Installs on Request (30 days)
pstree 16
Build Errors (30 days)
pstree 0
Installs (90 days)
pstree 37
Installs on Request (90 days)
pstree 37
Installs (365 days)
pstree 112
Installs on Request (365 days)
pstree 112
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