| hmmer | Biosequence analysis using profile hidden Markov models |
| iodine | Tool to tunnel IPv4 data through a DNS server |
| hypr | Tiling X11 window manager written in modern C++ |
| heptagon | Compiler for the Heptagon/BZR synchronous programming language |
| imgp | High-performance CLI batch image resizer & rotator |
| ircdHybrid | IPv6-capable IRC server |
| hyprpaper | Blazing fast wayland wallpaper utility |
| havoc | Minimal terminal emulator for Wayland |
| httptoolkit-server | Backend for HTTP Toolkit |
| heaptrack | Heap memory profiler for Linux |
| intltool | Translation helper tool |
| itk_5 | Insight Segmentation and Registration Toolkit |
| ihp-new | Project generator for the IHP (Integrated Haskell Platform) web framework |
| jekyll | Blog-aware, static site generator, written in Ruby |
| ibus-engines.libthai | Thai input method engine for IBus |
| i3 | Tiling window manager |
| hyp | Hyperminimal https server |
| hr | Horizontal bar for your terminal |
| iana-etc | IANA protocol and port number assignments (/etc/protocols and /etc/services) |
| hepmc2 | HepMC package is an object oriented event record written in C++ for High Energy Physics Monte Carlo Generators |
| imagemagick_light | Software suite to create, edit, compose, or convert bitmap images |
| jflex | Lexical analyzer generator for Java, written in Java |
| highfive | Header-only C++ HDF5 interface |
| hysteria | Feature-packed proxy & relay utility optimized for lossy, unstable connections |
| html2text | Convert HTML to plain text |
| ispike | Spiking neural interface between iCub and a spiking neural simulator |
| higan | Open-source, cycle-accurate multi-system emulator |
| jdom | Java-based solution for accessing, manipulating, and outputting XML data from Java code |
| hevi | Hex viewer |
| icon-library | Symbolic icons for your apps |
| jasper | Image processing/coding toolkit |
| hypre | Parallel solvers for sparse linear systems featuring multigrid methods |
| imlib2Full | Image manipulation library |
| irssi | Terminal based IRC client |
| jabcode | High-capacity 2D color bar code (library) |
| jtds_jdbc | Pure Java (type 4) JDBC 3.0 driver for Microsoft SQL Server |
| icecast | Server software for streaming multimedia |
| imtui | Immediate mode text-based user interface library |
| ispell | Interactive spell-checking program for Unix |
| hosts-bl | Simple tool to handle hosts file black lists |
| influxdb-cxx | InfluxDB C++ client library |
| hevea | Quite complete and fast LATEX to HTML translator |
| hhpc | Hides the mouse pointer in X11 |
| hoppet | Higher Order Perturbative Parton Evolution Toolkit |
| iniparser | Free standalone ini file parsing library |
| http-getter | Simple getter for HTTP URLs using cURL |
| hyperion-ng | Opensource Bias or Ambient Lighting implementation |
| imagemagick | Software suite to create, edit, compose, or convert bitmap images |
| inormalize | Program to normalize intensity of MINC files |
| luaPackages.luarocks-build-rust-mlua | A LuaRocks build backend for Lua modules written in Rust using mlua |
| liboping | C library to generate ICMP echo requests (a.k.a. ping packets) |
| libsieve | Interpreter for RFC 3028 Sieve and various extensions |
| lua51Packages.luautf8 | A UTF-8 support module for Lua |
| libhv | C/c++ network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client/server |
| lua55Packages.rocks-git-nvim | Use rocks.nvim to install plugins from git! |
| jwasm | MASM-compatible x86 assembler |
| lixPackageSets.lix_2_93.nix-eval-jobs | Hydra's builtin `hydra-eval-jobs` as a standalone tool |
| linenoise | Minimal, zero-config, BSD licensed, readline replacement |
| limesurvey | Open source survey application |
| kdePackages.qtkeychain | Platform-independent Qt API for storing passwords securely |
| libsass | C/C++ implementation of a Sass compiler |
| libsForQt5.qt5.qt3d | Cross-platform application framework for C++ |
| lua52Packages.neotest | An extensible framework for interacting with tests within NeoVim. |
| lua54Packages.gitsigns-nvim | Git integration for buffers |
| libnixxml | XML-based Nix-friendly data integration library |
| luaPackages.lua-resty-session | Session Library for OpenResty - Flexible and Secure |
| kew | Command-line music player for Linux |
| libcdada | Library for basic data structures in C |
| libtiger | Rendering library for Kate streams using Pango and Cairo |
| lixPackageSets.latest.nix-eval-jobs | Hydra's builtin `hydra-eval-jobs` as a standalone tool |
| lua55Packages.lpeg | Parsing Expression Grammars For Lua |
| lua52Packages.luarocks-build-treesitter-parser | A luarocks build backend for tree-sitter parsers. |
| libffcall | Foreign function call library |
| libmediainfo | Shared library for mediainfo |
| minecraftServers.vanilla-1-10 | Minecraft Server |
| maid | Rule-based file mover and cleaner in Ruby |
| lua52Packages.binaryheap | Binary heap implementation in pure Lua |
| luaPackages.sqlite | SQLite/LuaJIT binding and a highly opinionated wrapper for storing, retrieving, caching, and persisting [SQLite] databases |
| luaPackages.lmpfrlib | Lua API for the GNU MPFR library |
| luabind_luajit | Library that helps you create bindings between C++ and Lua |
| leatherman | Collection of C++ and CMake utility libraries |
| mfcuk | MiFare Classic Universal toolKit |
| libvirt-glib | Wrapper library of libvirt for glib-based applications |
| lua53Packages.lua | Powerful, fast, lightweight, embeddable scripting language |
| kdePackages.qtgraphs | Cross-platform application framework for C++ |
| lua51Packages.plenary-nvim | lua functions you don't want to write |
| lua51Packages.busted | Elegant Lua unit testing |
| kodi-cli | Kodi/XBMC bash script to send Kodi commands using JSON RPC. It also allows sending YouTube videos to Kodi |
| lagrange-tui | Beautiful Gemini Client |
| libretro.eightyone | Port of EightyOne to libretro |
| kdePackages.qtvirtualkeyboard | Cross-platform application framework for C++ |
| libsForQt5.qtpim | Cross-platform application framework for C++ |
| lua55Packages.busted | Elegant Lua unit testing |
| lorien | Infinite canvas drawing/note-taking app |
| lua52Packages.luazip | Library for reading files inside zip files |
| lua55Packages.luaexpat | XML Expat parsing |
| minecraftServers.vanilla | Minecraft Server |
| libversion | Advanced version string comparison library |
| luaPackages.lpeglabel | Parsing Expression Grammars For Lua with Labeled Failures |
| libretro.bsnes-mercury | Fork of bsnes with HLE DSP emulation restored (accuracy profile) |