- 7z
- a-utils
- act
- actionlint
- age
- agg
- aggligator
- agrind
- airixss
- aix
- albafetch
- algernon
- alist
- allxfr
- almalinux
- alpine
- alterx
- amass
- amazonlinux
- amp
- anakin
- analyticsrelationships
- anew-rs
- anew
- anewer
- ani-cli
- apk-static
- apk.sh
- apkeep
- appstreamcli
- aptly
- arc
- archey
- archlinux
- arduino-cli
- aretext
- aria2
- askalono
- asn
- asnmap
- assetfinder
- assh
- atuin
- awk
- aws-nuke
- aws-wire-lengths
- axel
- b3sum
- bandwhich
- bash