CLI — independent software & tools
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shfmt
Autoformat shell script source code
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shibboleth-sp
Shibboleth 2 Service Provider daemon
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shiki
Beautiful yet powerful syntax highlighter
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shimmy
Small local inference server with OpenAI-compatible GGUF endpoints
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shivavg
OpenGL based ANSI C implementation of the OpenVG standard
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shmcat
Tool that dumps shared memory segments (System V and POSIX)
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shml
Style Framework for The Terminal
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shmux
Execute the same command on many hosts in parallel
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shntool
Multi-purpose tool for manipulating and analyzing WAV files
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shodan
Python library and command-line utility for Shodan
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shortest
AI-powered natural language end-to-end testing framework
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showcert
X.509 TLS certificate reader and creator
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showkey
Simple keystroke visualizer
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shpotify
Command-line interface for Spotify on a Mac
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shtool
GNU's portable shell tool
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shtools
Spherical Harmonic Tools
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shub
Scrapinghub command-line client
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shunit2
Unit testing framework for Bourne-based shell scripts
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shush
Encrypt and decrypt secrets using the AWS Key Management Service
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shuttle-cli
CLI for handling shared build and deploy tools between many projects
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shyaml
Command-line YAML parser
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sic
Minimal multiplexing IRC client
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sickchill
Automatic Video Library Manager for TV Shows
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sickle
Windowed adaptive trimming for FASTQ files using quality
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sidekick
Deploy applications to your VPS
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siege
HTTP regression testing and benchmarking utility
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sift
Fast and powerful open source alternative to grep
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sigi
Organizing tool for terminal lovers that hate organizing
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sigma-cli
CLI based on pySigma
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signal-cli
CLI and dbus interface for WhisperSystems/libsignal-service-java
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signalwire-client-c
SignalWire C Client SDK
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signify-osx
Cryptographically sign and verify files
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signmykey
Automated SSH Certificate Authority
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sigstore
Codesigning tool for Python packages
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sigsum-go
Key transparency toolkit
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sile
Modern typesetting system inspired by TeX
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silicon
Create beautiful image of your source code
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silk
Collection of traffic analysis tools
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simde
Implementations of SIMD intrinsics for systems which don't natively support them
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simdjson
SIMD-accelerated C++ JSON parser
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simdutf
Unicode conversion routines, fast
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simg2img
Tool to convert Android sparse images to raw images and back
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simgrid
Studies behavior of large-scale distributed systems
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simple-amqp-client
C++ interface to rabbitmq-c
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simple-mtpfs
Simple MTP fuse filesystem driver
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simple-obfs
Simple obfusacting plugin of shadowsocks-libev
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simple-scan
GNOME document scanning application
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simple-tiles
Image generation library for spatial data
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simutrans
Transport simulator
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since
Stateful tail: show changes to files since last check
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singular
Computer algebra system for polynomial computations
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sip
Tool to create Python bindings for C and C++ libraries
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sipcalc
Advanced console-based IP subnet calculator
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sipp
Traffic generator for the SIP protocol
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sipsak
SIP Swiss army knife
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siril
Astronomical image processing tool
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sisc-scheme
Extensive Java based Scheme interpreter
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sispmctl
Control Gembird SIS-PM programmable power outlet strips
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sitefetch
Fetch an entire site and save it as a text file
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six
Python 2 and 3 compatibility utilities