spigot
Media Players
Command-line streaming exact real calculator
splitrail
Input Method
Real-time token usage tracker and cost monitor for CLI coding agents
sponge
Development
Soak up standard input and write to a file
spoofdpi
Development
Simple and fast anti-censorship tool written in Go
spotbugs
Development
Tool for Java static analysis (FindBugs's successor)
spr
Development
Submit pull requests for individual, amendable, rebaseable commits to GitHub
spytrap-adb
Development
Test a phone for stalkerware and suspicious configuration using usb debugging
sql-translator
Database
Manipulate structured data definitions (SQL and more)
sqlmap
Database
Penetration testing for SQL injection and database servers
sqlx-cli
Database
Command-line utility for SQLx, the Rust SQL toolkit
sqruff
Database
Fast SQL formatter/linter
squashfs
Archivers
Compressed read-only file system for Linux