Apache Xalan

{{Infobox software

| name = Apache Xalan

| logo = Apache Xalan logo.svg

| logo caption =

| screenshot =

| caption =

| developer = Apache Software Foundation

| latest release version = 2.7.3{{cite web | url=https://marc.info/?l=xalan-dev&m=168033300326762&w=2 | title='[ANNOUNCEMENT] Apache XalanJ 2.7.3' - MARC }}

| latest release date = {{Start date and age|2023|04}}

| programming language = C++ or Java

| genre = Software library

| license = Apache License 2.0

| website = {{URL|http://xalan.apache.org}}

}}

Xalan is a popular open source software library from the Apache Software Foundation, that implements the XSLT 1.0 XML transformation language and the XPath 1.0 language. The Xalan XSLT processor is available for both the Java and C++ programming languages. It combines technology from two main sources: an XSLT processor originally created by IBM under the name LotusXSL,{{cite web|url=http://www.alphaworks.ibm.com/formula/lotusxsl/|title=alphaWorks : LotusXSL : Overview|access-date=2006-05-28|archive-date=2008-10-06|archive-url=https://web.archive.org/web/20081006225404/http://www.alphaworks.ibm.com/formula/lotusxsl/|url-status=dead}} and an XSLT compiler created by Sun Microsystems under the name XSLTC.{{cite web|url=http://xml.coverpages.org/ni2002-08-26-a.html|title=Apache Xalan XSLT Compiler (XSLTC) Integrated into the Java Web Services Developer Pack (WSDP).|date=2002-08-26}} A wrapper for the Eiffel language is available.{{cite web|url=https://launchpad.net/xel|title=launchpad : XEL|date=17 July 2014 }}