| packages/nixpkgs/irony-server | Server part of irony |
| packages/nixpkgs/hevea | Quite complete and fast LATEX to HTML translator |
| packages/nixpkgs/iodine | Tool to tunnel IPv4 data through a DNS server |
| packages/nixpkgs/internalallthethings | Active Directory and Internal Pentest Cheatsheets |
| packages/nixpkgs/hblock | Improve your security and privacy by blocking ads, tracking and malware domains |
| packages/nixpkgs/imapsync | Mail folder synchronizer between IMAP servers |
| packages/nixpkgs/host | Domain name server |
| packages/nixpkgs/hubicfuse | FUSE-based filesystem to access hubic cloud storage |
| packages/nixpkgs/httrack | Easy-to-use offline browser / website mirroring utility |
| packages/nixpkgs/jmtpfs | FUSE filesystem for MTP devices like Android phones |
| packages/nixpkgs/jabcode | High-capacity 2D color bar code (library) |
| packages/nixpkgs/jboss | Open Source J2EE application server |
| packages/nixpkgs/imlib2-nox | Image manipulation library |
| packages/nixpkgs/iniparser | Free standalone ini file parsing library |
| packages/nixpkgs/i3-rounded | Fork of i3-gaps that adds rounding to window corners |
| packages/nixpkgs/hdf5-fortran | Data model, library, and file format for storing and managing data |
| packages/nixpkgs/hnswlib | Header-only C++/python library for fast approximate nearest neighbors |
| packages/nixpkgs/hepmc2 | HepMC package is an object oriented event record written in C++ for High Energy Physics Monte Carlo Generators |
| packages/nixpkgs/hyperion-ng | Opensource Bias or Ambient Lighting implementation |
| packages/nixpkgs/jsonrpc-glib | Library to communicate using the JSON-RPC 2.0 specification |
| packages/nixpkgs/heptagon | Compiler for the Heptagon/BZR synchronous programming language |
| packages/nixpkgs/ioquake3 | Fast-paced 3D first-person shooter, a community effort to continue supporting/developing id's Quake III Arena |
| packages/nixpkgs/health | Health tracking app for the GNOME desktop |
| packages/nixpkgs/hss | A SSH helper that uses regex and fancy expansion to dynamically manage SSH shortcuts.
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| packages/nixpkgs/jq-zsh-plugin | Interactively build jq expressions in Zsh |
| packages/nixpkgs/ipbt | High-tech ttyrec player for Unix |
| packages/nixpkgs/hdf5-cpp | Data model, library, and file format for storing and managing data |
| packages/nixpkgs/imagemagick | Software suite to create, edit, compose, or convert bitmap images |
| packages/nixpkgs/heaptrack | Heap memory profiler for Linux |
| packages/nixpkgs/hpl | Portable Implementation of the Linpack Benchmark for Distributed-Memory Computers |
| packages/nixpkgs/hdfview | Visual tool for browsing and editing HDF4 and HDF5 files |
| packages/nixpkgs/imgp | High-performance CLI batch image resizer & rotator |
| packages/nixpkgs/hsqldb | Relational, embedable database management system written in Java and a set of related tools |
| packages/nixpkgs/homesick | Your home directory is your castle |
| packages/nixpkgs/itk | Insight Segmentation and Registration Toolkit |
| packages/nixpkgs/jnettop | Network traffic visualizer |
| packages/nixpkgs/ideviceinstaller | List/modify installed apps of iOS devices |
| packages/nixpkgs/hexapdf | Versatile PDF creation and manipulation library |
| packages/nixpkgs/jdom | Java-based solution for accessing, manipulating, and outputting XML data from Java code |
| packages/nixpkgs/jboss_mysql_jdbc | MySQL Connector/J |
| packages/nixpkgs/html-proofer | Tool to validate HTML files |
| packages/nixpkgs/ictree | Like tree but interactive |
| packages/nixpkgs/iagno | Computer version of the game Reversi, more popularly called Othello |
| packages/nixpkgs/icecast | Server software for streaming multimedia |
| packages/nixpkgs/iperf3 | Tool to measure IP bandwidth using UDP or TCP |
| packages/nixpkgs/hivex | Windows registry hive extraction library |
| packages/nixpkgs/intltool | Translation helper tool |
| packages/nixpkgs/highfive | Header-only C++ HDF5 interface |
| packages/nixpkgs/hdf5-fortran-mpi | Data model, library, and file format for storing and managing data |
| packages/nixpkgs/hostmux | Small wrapper script for tmux to easily connect to a series of hosts via ssh and open a split pane for each of the hosts |
| packages/nixpkgs/itk_5 | Insight Segmentation and Registration Toolkit |
| packages/nixpkgs/igv | Visualization tool for interactive exploration of genomic datasets |
| packages/nixpkgs/hdf5 | Data model, library, and file format for storing and managing data |
| packages/nixpkgs/honcho | Python clone of Foreman, a tool for managing Procfile-based applications |
| packages/nixpkgs/isync | Free IMAP and MailDir mailbox synchronizer |
| packages/nixpkgs/imapfilter | Mail filtering utility |
| packages/nixpkgs/jove | Jonathan's Own Version of Emacs |
| packages/nixpkgs/indi-with-drivers | Implementation of the INDI protocol for POSIX operating systems |
| packages/nixpkgs/jasper | Image processing/coding toolkit |
| packages/nixpkgs/home-manager | Nix-based user environment configurator |
| packages/nixpkgs/iconConvTools | Tools for icon conversion specific to nix package manager |
| packages/nixpkgs/iir1 | DSP IIR realtime filter library written in C++ |
| packages/nixpkgs/hepmc3 | HepMC package is an object oriented, C++ event record for High Energy Physics Monte Carlo generators and simulation |
| packages/nixpkgs/ipmitool | Command-line interface to IPMI-enabled devices |
| packages/nixpkgs/httptunnel | Creates a bidirectional virtual data connection tunnelled in HTTP requests |
| packages/nixpkgs/imagemagick_light | Software suite to create, edit, compose, or convert bitmap images |
| packages/nixpkgs/jing-trang | RELAX NG validator in Java |
| packages/nixpkgs/jadx | Dex to Java decompiler |
| packages/nixpkgs/hypr | Tiling X11 window manager written in modern C++ |
| packages/nixpkgs/imtui | Immediate mode text-based user interface library |
| packages/nixpkgs/judy | State-of-the-art C library that implements a sparse dynamic array |
| packages/nixpkgs/jack1 | JACK audio connection kit |
| packages/nixpkgs/jtag-remote-server | Remote JTAG server for remote debugging |
| packages/nixpkgs/higan | Open-source, cycle-accurate multi-system emulator |
| packages/nixpkgs/jigdo | Download utility that can fetch files from several sources simultaneously |
| packages/nixpkgs/jtds_jdbc | Pure Java (type 4) JDBC 3.0 driver for Microsoft SQL Server |
| packages/nixpkgs/httptoolkit-server | Backend for HTTP Toolkit |
| packages/nixpkgs/hmat-oss | Hierarchical matrix C/C++ library |
| packages/nixpkgs/inform7 | Design system for interactive fiction |
| packages/nixpkgs/influxdb-cxx | InfluxDB C++ client library |
| packages/nixpkgs/ipcalc | Simple IP network calculator |
| packages/nixpkgs/hhpc | Hides the mouse pointer in X11 |
| packages/nixpkgs/jedit | Programmer's text editor written in Java |
| packages/nixpkgs/herwig | Multi-purpose particle physics event generator |
| packages/nixpkgs/javaPackages.openjfx21 | Next-generation Java client toolkit |
| packages/nixpkgs/hol_light | Interactive theorem prover based on Higher-Order Logic |
| packages/nixpkgs/imagelol | Simple program to store a file into a PNG image |
| packages/nixpkgs/jack-example-tools | Official examples and tools from the JACK project |
| packages/nixpkgs/hyprpaper | Blazing fast wayland wallpaper utility |
| packages/nixpkgs/hermitcli | Manages isolated, self-bootstrapping sets of tools in software projects |
| packages/nixpkgs/hol | Interactive theorem prover based on Higher-Order Logic |
| packages/nixpkgs/hevi | Hex viewer |
| packages/nixpkgs/jed | Programmable text editor written around S-Lang |
| packages/nixpkgs/icewm | Simple, lightweight X window manager |
| packages/nixpkgs/innoextract | Tool to unpack installers created by Inno Setup |
| packages/nixpkgs/hellwal | Fast, extensible color palette generator |
| packages/nixpkgs/hb-honeypot | Script that listens on TCP port 443 and responds with completely bogus SSL heartbeat responses |
| packages/nixpkgs/jack2 | JACK audio connection kit, version 2 with jackdbus |
| packages/nixpkgs/hexd | Colourful, human-friendly hexdump tool |
| packages/nixpkgs/http-getter | Simple getter for HTTP URLs using cURL |