macOS
Homebrewverified · 100%
brew install jrubyprovider-native install command
brew / rank 3747
Install jruby with Homebrew
Ruby implementation in pure Java. Version 10.1.1.0 via Homebrew; verified 2026-07-25.
install
Additional install commands
overview
Package summary
Ruby implementation in pure Java
Project links
Commands and aliases
- ast
- install_doc
- jbundle
- jbundler
- jerb
- jgem
- jirb
- jirb_swing
- jminitest
- jracc
- jrake
- jrdoc
- jri
- jruby
- jruby.sh
- jrubyc
- jsyntax_suggest
- jtest-unit
- lock_jars
history
Project history and usage
JRuby is the long-running Ruby implementation for the Java Virtual Machine. It gives Ruby code access to Java classes, JVM deployment models, Java threading, and JVM tooling while preserving the Ruby language and much of the Ruby ecosystem.
Project history
JRuby began in 2001 as a Java-hosted Ruby implementation and became one of the canonical examples of a dynamic language on the JVM. The project moved from a direct-port style implementation toward a JVM-oriented runtime with Java integration, bytecode compilation work, and compatibility targets that followed major Ruby language versions.
The project's institutional story is unusually visible for an open-source language runtime. Charles Nutter and Thomas Enebo announced in September 2006 that Sun Microsystems hired them to work on JRuby full time. After Sun, JRuby development continued through Engine Yard and then Red Hat involvement, keeping paid core development behind the runtime for many years.
Adoption history
JRuby became important during the Ruby on Rails expansion because it made Ruby applications plausible inside Java shops that already standardized on JVM operations. A 2011 JRuby blog post describes the 2006 JavaOne Rails demo as a turning point, at a time when the JVM language conversation centered on projects such as Jython and Groovy.
Package-manager adoption reflects that maturity: JRuby appears across Homebrew, Debian/Ubuntu, Fedora-style distributions, MacPorts, Chocolatey, Scoop, Nix, Arch, and Alpine. For package maintainers it is both a Ruby runtime and a Java application, so packaging has to account for Ruby executables, Java dependencies, and RubyGems-facing commands.
How it is used
JRuby is used to run Ruby applications on the JVM, embed Ruby scripting into Java systems, call Java libraries from Ruby, and package Ruby applications for environments where the JVM is the operational baseline. Its command set includes JRuby-prefixed versions of common Ruby tools such as gem, irb, rake, rdoc, and ri.
Why package nerds care
JRuby is package-nerd catnip because it crosses ecosystem boundaries cleanly but not simply: Ruby code, Java bytecode, RubyGems, Maven-style expectations, native extension compatibility, and OS package managers all meet in one runtime. It is also a benchmark case for how language implementations survive outside their reference VM.
Timeline
- 2001: JRuby project began as a Ruby implementation on the JVM.
- 2006: Sun Microsystems hired Charles Nutter and Thomas Enebo to work on JRuby full time.
- 2006: JRuby demonstrated Rails running on the JVM at JavaOne.
- 2009: JRuby core development moved from Sun to Engine Yard.
- 2012: Nutter and Enebo joined Red Hat to continue JRuby work.
- 2015: JRuby 9.0.0.0 moved the versioning line into Ruby 2.x compatibility.
- 2022: JRuby 9.4.0.0 targeted Ruby 3.1 compatibility.
Related projects
- Related projects include MRI/CRuby, RubyGems, Rails, Jython, Groovy, TruffleRuby, Rubinius, and JVM dynamic-language work such as invokedynamic.
Sources
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew bottle metadata was recorded.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
ast | executable | indexed executable | Discovered from the local executable index. |
install_doc | executable | indexed executable | Discovered from the local executable index. |
jbundle | executable | indexed executable | Discovered from the local executable index. |
jbundler | executable | indexed executable | Discovered from the local executable index. |
jerb | executable | indexed executable | Discovered from the local executable index. |
jgem | executable | indexed executable | Discovered from the local executable index. |
jirb | executable | indexed executable | Discovered from the local executable index. |
jirb_swing | executable | indexed executable | Discovered from the local executable index. |
jminitest | executable | indexed executable | Discovered from the local executable index. |
jracc | executable | indexed executable | Discovered from the local executable index. |
jrake | executable | indexed executable | Discovered from the local executable index. |
jrdoc | executable | indexed executable | Discovered from the local executable index. |
jri | executable | indexed executable | Discovered from the local executable index. |
jruby | executable | indexed executable | Discovered from the local executable index. |
jruby.sh | executable | indexed executable | Discovered from the local executable index. |
jrubyc | executable | indexed executable | Discovered from the local executable index. |
jsyntax_suggest | executable | indexed executable | Discovered from the local executable index. |
jtest-unit | executable | indexed executable | Discovered from the local executable index. |
lock_jars | executable | indexed executable | Discovered from the local executable index. |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-08-03
manager version10.1.1.0
manager updated2026-07-25
local dataunknown
upstreamnot available
latest detectednot detected
- okNo freshness warnings were generated.
install metadata
Package metadata
| Package key | brew:jruby |
|---|---|
| Version | 10.1.1.0 |
| Package manager | Homebrew |
| Homepage | https://www.jruby.org/ |
| Last updated | 2026-07-25T15:31:13+09:00 |
| Pulse | updated |
| Bottle | not recorded |
| Service | none declared |
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- curated package history
- pkgdb category and tag curation