CLI — independent software & tools
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erdtree
Multi-threaded file-tree visualizer and disk usage analyzer
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erfa
Essential Routines for Fundamental Astronomy
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erg
Statically typed language that can deeply improve the Python ecosystem
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erlang
Programming language for highly scalable real-time systems
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erlang-language-platform
LSP server and CLI for the Erlang programming language
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erlang_ls
Erlang Language Server
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erlfmt
Automated code formatter for Erlang
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erofs-utils
Utilities for Enhanced Read-Only File System
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errcheck
Finds silently ignored errors in Go code
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esbuild
Extremely fast JavaScript bundler and minifier
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eslint
AST-based pattern checker for JavaScript
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eslint_d
Speed up eslint to accelerate your development workflow
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esniper
Snipe eBay auctions from the command-line
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espeak
Text to speech, software speech synthesizer
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espeak-ng
Speech synthesizer that supports more than hundred languages and accents
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espflash
Serial flasher utility for Espressif SoCs and modules based on esptool.py
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esphome
Make creating custom firmwares for ESP32/ESP8266 super easy
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esptool
ESP8266 and ESP32 serial bootloader utility
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et
Remote terminal with IP roaming
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etcd
Key value store for shared configuration and service discovery
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etcd-cpp-apiv3
C++ implementation for etcd's v3 client API, i.e., ETCDCTL_API=3
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ethereum
Official Go implementation of the Ethereum protocol
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etl
Extensible Template Library
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etsh
Two ports of /bin/sh from V6 UNIX (circa 1975)
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ettercap
Multipurpose sniffer/interceptor/logger for switched LAN
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euler-py
Project Euler command-line tool written in Python
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eureka
CLI tool to input and store your ideas without leaving the terminal
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eva
Calculator REPL, similar to bc(1)
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evans
More expressive universal gRPC client
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eventpp
Event Dispatcher and callback list for C++
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evernote-backup
Backup & export all Evernote notes and notebooks
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evernote2md
Convert Evernote .enex file to Markdown
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evil-helix
Soft fork of the helix editor
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evince
GNOME document viewer
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evtx
Windows XML Event Log parser
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ex-vi
UTF8-friendly version of traditional vi
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exact-image
Image processing library
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excalidraw-converter
Command-line tool for porting Excalidraw diagrams to Gliffy
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excel-compare
Command-line tool (and API) for diffing Excel Workbooks
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execline
Interpreter-less scripting language
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execstack
Utility to set/clear/query executable stack bit
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exempi
Library to parse XMP metadata
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exercism
Command-line tool to interact with exercism.io
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exif
Read, write, modify, and display EXIF data on the command-line
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exiftags
Utility to read EXIF tags from a digital camera JPEG file
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exiftool
Perl lib for reading and writing EXIF metadata
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exiftran
Transform digital camera jpegs and their EXIF data
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exim
Complete replacement for sendmail
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exiv2
EXIF and IPTC metadata manipulation library and tools
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exodriver
Thin interface to LabJack devices
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exomizer
File compressor optimized for decompression in 8-bit environments
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expat
XML 1.0 parser
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expect
Program that can automate interactive applications
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expert
Official Elixir Language Server Protocol implementation
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exploitdb
Database of public exploits and corresponding vulnerable software
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ext2fuse
Compact implementation of ext2 file system using FUSE
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ext4fuse
Read-only implementation of ext4 for FUSE
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extra-cmake-modules
Extra modules and scripts for CMake
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extract_url
Perl script to extracts URLs from emails or plain text
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exult
Recreation of Ultima 7