| Name | Version | Description |
|---|---|---|
| jellyfin-server | Jellyfin server backend | |
| jellyfin-web | Web client for Jellyfin | |
| jemalloc | General-purpose scalable concurrent malloc implementation | |
| jenkins | Extendable continuous integration server (latest) | |
| jenv | Manage your Java environment | |
| jetring | gpg keyring maintenance using changesets | |
| jfsutils | JFS filesystem utilities | |
| jgmenu | Simple, independent, contemporary-looking X11 menu, designed for scripting, ricing and tweaking | |
| jhead | EXIF JPEG info parser and thumbnail remover | |
| jig | A tool for building and publishing Puppet modules | |
| jimtcl | A small footprint implementation of Tcl | |
| jitterentropy | Hardware RNG based on CPU timing jitter | |
| jkqtplotter | A Qt Plotting Library | |
| jlatexmath | Java API to display mathematical formulas written in LaTeX | |
| jless | A command-line pager for JSON data | |
| jmc | jabber mail component | |
| jmol | A Java 3D viewer for chemical structures | |
| jnettop | A top-like console network traffic visualizer | |
| jnoisemeter | Measure audio test signals and in particular noise signals | |
| jnv | Interactive JSON filter using jq | |
| jo | JSON output from a shell | |
| joe | Classic text editor | |
| john | John the Ripper password cracker | |
| jolt | TUI-based battery and energy monitor | |
| jomon | Network forensics and sniffer tool | |
| jose | C-language implementation of Javascript Object Signing and Encryption | |
| josm | Editor for OpenStreetMap written in Java | |
| jotdown | a pull parser Rust library for the Djot markup language | |
| joyutils | jscal, jstest and jsattach utilities for the Linux joystick driver | |
| jp2a | A small utility for converting JPG images to ASCII | |
| jpeg-archive | Utilities for archiving JPEGs for long term storage | |
| jpegexiforient | Get and set the Exif Orientation Tag | |
| jpegoptim | Jpeg optimisation utility | |
| jpm | Janet Project Manager | |
| jq | Command-line JSON processor | |
| jre-openjdk | OpenJDK Java 27 full runtime environment | |
| jre-openjdk-headless | OpenJDK Java 27 headless runtime environment | |
| jre11-openjdk | OpenJDK Java 11 full runtime environment | |
| jre11-openjdk-headless | OpenJDK Java 11 headless runtime environment | |
| jre17-openjdk | OpenJDK Java 17 full runtime environment | |
| jre17-openjdk-headless | OpenJDK Java 17 headless runtime environment | |
| jre21-openjdk | OpenJDK Java 21 full runtime environment | |
| jre21-openjdk-headless | OpenJDK Java 21 headless runtime environment | |
| jre25-openjdk | OpenJDK Java 25 full runtime environment | |
| jre25-openjdk-headless | OpenJDK Java 25 headless runtime environment | |
| jre7-openjdk | OpenJDK Java 7 full runtime environment | |
| jre7-openjdk-headless | OpenJDK Java 7 headless runtime environment | |
| jre8-openjdk | OpenJDK Java 8 full runtime environment | |
| jre8-openjdk-headless | OpenJDK Java 8 headless runtime environment | |
| jrnl | Collect your thoughts and notes without leaving the command line |
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