Creates a war file. Also includes additional static web resources, such as images, CSS, JavaScript, and some HTML files.
AOP Alliance
Log4j implemented over SLF4J
Guice is a lightweight dependency injection framework for Java 6 and above
spring-security-web
Usefull class adapters based on ASM, a very small and fast Java bytecode manipulation framework
Groovy: A powerful, dynamic language for the JVM
Simple utility to scan Java bytecode for class references in the constant pool.
A Java language version of the BCrypt algorithm
JavaBeans Activation Framework
XStream is a serialization library from Java objects to XML and back.
Jenkins core code and view files to render HTML.
The Digester package lets you configure an XML to Java object mapping module which triggers certain actions called rules whenever a particular pattern of nested XML elements is recognized.
A pure-java A64 assembler
Java binding for libpam.so
The Apache Commons IO library contains utility classes, stream implementations, file filters, file comparators, endian transformation classes, and much more.
The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.
JavaServer Pages(TM) Standard Tag Library API
Kill process tree in Windows
Maintains an RSA key pair that can serve as a foundation of authentication when communicating with Jenkins
ObjectWeb ASM package-renamed to isolate incompatibilities between major versions
kXML is a small XML pull parser, specially designed for constrained environments such as Applets, Personal Java or MIDP devices. In contrast to kXML 1, kXML 2 is based on the common XML pull API.
Pure Java - COM bridge
Base abstraction for platform-specific Jenkins agent installer
Java Foreign Function Interface
Stapler HTTP request handling engine
master POM
Java library for transforming beans, maps, collections, java arrays and XML to JSON.
JFreeChart is a class library, written in Java, for generating charts. Utilising the Java2D APIs, it currently supports bar charts, pie charts, line charts, XY-plots and time series plots.
InputStream that hides automatic download retry
A library for invoking native functions from java
Timeline component at http://www.simile-widgets.org/timeline/
The Jelly Define Tag Library
Command line interface for Jenkins
Groovy binding for Stapler
Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang.
ASM, a very small and fast Java bytecode manipulation framework
Spring Core
Woodstox is a high-performance XML processor that implements Stax (JSR-173) API
JCommon is a free general purpose Java class library that is used in several projects at www.jfree.org, including JFreeChart and JFreeReport.
Apache Commons BeanUtils provides an easy-to-use but flexible wrapper around reflection and introspection.
The javax.inject API
Installs a slave agent as upstart service
args4j : Java command line arguments parser
Jansi is a java library for generating and interpreting ANSI escape sequences.
SezPoz is a lightweight and simple-to-learn library that lets you perform modular service lookups.
StAX is a standard XML processing API that allows you to stream XML data from and to your application.
Spring Context
Localizer
Jelly binding for Stapler
Jexl is an implementation of the JSTL Expression Language with extensions.
StAX API is the standard java XML processing API defined by JSR-173
Utilities for ASM, a very small and fast Java bytecode manipulation framework
windows-package-checker
Jaxen is a universal XPath engine for Java.
master POM
Adds a GUI option to install the JNLP slave agent under launchd
Jakarta Mail API
Static code analysis API of ASM, a very small and fast Java bytecode manipulation framework
Annotations the SpotBugs tool supports
Spring Expression Language (SpEL)
JCIFS is an Open Source client library that implements the CIFS/SMB networking protocol in 100% Java
Sonatype helps open source projects to set up Maven repositories on https://oss.sonatype.org/
A framework for constructing recognizers, compilers, and translators from grammatical descriptions containing Java, C#, C++, or Python actions.
Spring AOP
SLF4J JDK14 Binding
Embeddable daemonization library
Winstone is a command line wrapper around Jetty
flexible XML framework for Java
Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more.

This project is a complete packaging of all the Guava libraries into a single jar. Individual portions of Guava can be used by downloading the appropriate module and its dependencies.

Guava (complete) has only one code dependency - javax.annotation, per the JSR-305 spec.
JTidy is a Java port of HTML Tidy, a HTML syntax checker and pretty printer. Like its non-Java cousin, JTidy can be used as a tool for cleaning up malformed and faulty HTML. In addition, JTidy provides a DOM parser for real-world HTML.

Hudson modifications: ===================== Removed SAX APIs
Common cross-project/cross-platform POSIX APIs
Jelly is a Java and XML based scripting engine. Jelly combines the best ideas from JSTL, Velocity, DVSL, Ant and Cocoon all together in a simple yet powerful scripting engine.
The slf4j API
A set of platform constants (e.g. errno values)
Standard Parent POM for non-plugin Jenkins components: core, libraries, etc.
Evolve your classes without breaking compatibility
Library a shaded version of BouncyCastle and exposing an API to just generate self-signed certificates
Spring Beans
Commons Discovery
Spring Web
Code for monitoring memory/swap usage
Installs a slave agent a an systemd service (typically found on Linux).
MXParser is a fork of xpp3_min 1.1.7 containing only the parser with merged changes of the Plexus fork.
Creates index of annotations.
Java.net - The Source for Java Technology Collaboration
Adds a GUI option to install the JNLP agent as a Windows service
Common cross-project/cross-platform POSIX APIs
Contains the bootstrap code to bridge separate JVMs into a single semi-shared space. Reusable outside Jenkins.
Offers API classes for parsing and comparing version numbers
Pure Java - COM bridge
The Apache Commons FileUpload component provides a simple yet flexible means of adding support for multipart file upload functionality to servlets and web applications.
Java Foreign Function Interface
Common Annotations for the JavaTM Platform API
JCL 1.2 implemented over SLF4J
ObjectWeb ASM package-renamed to isolate incompatibilities between major versions
Java Native Access
JZlib is a re-implementation of zlib in pure Java
Types that extend and augment the Java Collections Framework.
Tree API of ASM, a very small and fast Java bytecode manipulation framework
Simple java library for transforming an Object to another Object.
Extensible application-specific access modifiers for Java
A pure-java X86 and X86_64 assembler
spring-security-core
Apache Commons Compress software defines an API for working with compression and archive formats. These include: bzip2, gzip, pack200, lzma, xz, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4, Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj.
MXP1 is a stable XmlPull parsing engine that is based on ideas from XPP and in particular XPP2 but completely revised and rewritten to take the best advantage of latest JIT JVMs such as Hotspot in JDK 1.4+.
The Jelly XML Tag Library