GPL-2.0-or-later — independent software & tools
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gtk-gnutella
Share files in a peer-to-peer (P2P) network
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gtkspell3
Gtk widget for highlighting and replacing misspelled words
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gtmess
Console MSN messenger client
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gwyddion
Scanning Probe Microscopy visualization and analysis tool
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gzrt
Gzip recovery toolkit
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hackrf
Low cost software radio platform
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harbour
Portable, xBase-compatible programming language and environment
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hatari
Atari ST/STE/TT/Falcon emulator
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healpix
Hierarchical Equal Area isoLatitude Pixelization of a sphere
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hebcal
Perpetual Jewish calendar for the command-line
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hexcurse
Ncurses-based console hex editor
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hexedit
View and edit files in hexadecimal or ASCII
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hfsutils
Tools for reading and writing Macintosh volumes
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hg-fast-export
Fast Mercurial to Git converter
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hilite
CLI tool that runs a command and highlights STDERR output
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homebank
Manage your personal accounts at home
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hostdb
Generate DNS zones and DHCP configuration from hostlist.txt
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html2text
Advanced HTML-to-text converter
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htop
Improved top (interactive process viewer)
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htpdate
Synchronize time with remote web servers
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httperf
Tool for measuring webserver performance
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huexpress
PC Engine emulator
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iat
Converts many CD-ROM image formats to ISO9660
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icecream
Distributed compiler with a central scheduler to share build load
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icemon
Icecream GUI Monitor
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icon-naming-utils
Script to handle icon names in desktop icon themes
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id3v2
Command-line editor
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ideviceinstaller
Tool for managing apps on iOS devices
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ifstat
Tool to report network interface bandwidth
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iftop
Display an interface's bandwidth usage
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igraph
Network analysis package
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inotify-tools
C library and command-line programs providing a simple interface to inotify
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intercal
Esoteric, parody programming language
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intltool
String tool
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ios-class-guard
Objective-C obfuscator for Mach-O executables
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ipcalc
Calculate various network masks, etc. from a given IP address
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iptables
Linux kernel packet control tool
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iqtree3
Phylogenetics by maximum likelihood
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ircd-hybrid
High-performance secure IRC server
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isync
Synchronize a maildir with an IMAP server
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jack
Audio Connection Kit
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jbigkit
JBIG1 data compression standard implementation
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jed
Powerful editor for programmers
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jnettop
View hosts/ports taking up the most network traffic
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john
Featureful UNIX password cracker
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joyce
Emulates the Amstrad PCW on Unix, Windows and macOS
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jp2a
Convert JPG images to ASCII
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kanif
Cluster management and administration tool
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kcov
Code coverage tester for compiled programs, Python, and shell scripts
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kew
Command-line music player
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kfr
Fast, modern C++ DSP framework
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kimwitu++
Tool for processing trees (i.e. terms)
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knock
Port-knock server
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lasi
C++ stream output interface for creating Postscript documents
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lasso
Library for Liberty Alliance and SAML protocols
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latex2html
LaTeX-to-HTML translator
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latex2rtf
Translate LaTeX to RTF
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lbdb
Little brother's database for the mutt mail reader
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lcdf-typetools
Manipulate OpenType and multiple-master fonts
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lcdproc
Display real-time system information on a LCD