CLI — independent software & tools
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sox
SOund eXchange: universal sound sample translator
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sox_ng
Sound eXchange NG
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spaceinvaders-go
Space Invaders in your terminal written in Go
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spaceman-diff
Diff images from the command-line
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spacer
Small command-line utility for adding spacers to command output
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spaceship
Zsh prompt for Astronauts
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spack
Package manager that builds multiple versions and configurations of software
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spades
De novo genome sequence assembly
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spago
PureScript package manager and build tool
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span-lite
C++20-like span for C++98, C++11 and later in a single-file header-only library
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spandsp
DSP functions library for telephony
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spark
Sparklines for the shell
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sparkey
Constant key-value store, best for frequent read/infrequent write uses
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sparse
Static C code analysis tool
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spatialindex
General framework for developing spatial indices
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spatialite-gui
GUI tool supporting SpatiaLite
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spatialite-tools
CLI tools supporting SpatiaLite
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spawn-fcgi
Spawn FastCGI processes
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spdlog
Super fast C++ logging library
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spdx-sbom-generator
Support CI generation of SBOMs via golang tooling
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specify
Toolkit to help you get started with Spec-Driven Development
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spectra
Header-only C++ library for large scale eigenvalue problems
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spectral-cli
JSON/YAML linter and support OpenAPI v3.1/v3.0/v2.0, and AsyncAPI v2.x
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speech
On-device speech toolkit for Apple Silicon: ASR, TTS, VAD, diarization
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speech-tools
C++ speech software library from the University of Edinburgh
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speedbump
TCP proxy for simulating variable, yet predictable network latency
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speedread
Simple terminal-based rapid serial visual presentation (RSVP) reader
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speedtest-cli
Command-line interface for https://speedtest.net bandwidth tests
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speex
Audio codec designed for speech
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spek
Acoustic spectrum analyser
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spglib
C library for finding and handling crystal symmetries
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sphinx-doc
Tool to create intelligent and beautiful documentation
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spice-gtk
GTK client/libraries for SPICE
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spicedb
Open Source, Google Zanzibar-inspired database
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spicetify-cli
Command-line tool to customize Spotify client
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spidermonkey
JavaScript-C Engine
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spiffe-helper
Tool that can be used to retrieve and manage SVIDs on behalf of a workload
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spigot
Command-line streaming exact real calculator
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spim
MIPS32 simulator
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spin
Efficient verification tool of multi-threaded software
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spiped
Secure pipe daemon
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spirv-cross
Performing reflection and disassembling SPIR-V
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spirv-headers
Headers for SPIR-V
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spirv-llvm-translator
Tool and a library for bi-directional translation between SPIR-V and LLVM IR
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spirv-tools
API and commands for processing SPIR-V modules
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splint
Secure Programming Lint
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splitrail
Real-time token usage tracker and cost monitor for CLI coding agents
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spoa
SIMD partial order alignment tool/library
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spoof-mac
Spoof your MAC address in macOS
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spoofdpi
Simple and fast anti-censorship tool written in Go
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spot
Platform for LTL and ω-automata manipulation
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spotbugs
Tool for Java static analysis (FindBugs's successor)
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spotify_player
Command driven spotify player
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spotifyd
Spotify daemon
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spr
Submit pull requests for individual, amendable, rebaseable commits to GitHub
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spring-completion
Bash completion for Spring
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spring-loaded
Java agent to enable class reloading in a running JVM
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sprocket
Bioinformatics workflow engine built on the Workflow Description Language (WDL)
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sproxy
HTTP proxy server collecting URLs in a 'siege-friendly' manner
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spytrap-adb
Test a phone for stalkerware and suspicious configuration using usb debugging