Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

An extensible Java framework for building event-driven applications that break up XML and non-XML data into chunks for data integration

Collection of parsers written in JavaScript

Lightweight library for parsing, traversing, and transforming XML in Dart.

Streaming JSON parser for Elixir

A WHATWG-compliant HTML5 tokenizer and tag soup parser

Go library for XML SAX (Simple API for XML) parsing

EDIReader is a flexible and lightweight EDI parser, written in pure Java with many integration options. It has handled millions of transactions in a wide variety of products, services, industries, platforms, and custom integrations. Available as the open source Community Edition and the Premium Edition with added-value modules.

GrammarViz 2.0 public release:

A SAX-based XML parser for parsing large files into manageable chunks

Fast Haskell XML parser

SAX-VSM public release, visit our website for detail

Java implementation of SAX, HOT-SAX, and EMMA

Multi-NILM: Multi Label Non Intrusive Load Monitoring

gosax is a basic wrapper for stream parsing of XML (SAX) Go

SAX, HOT-SAX, VSM, SAX-VSM, RePair and RRA in R (Rcpp)

a fresh attempt at a 4chan userstyle

A tiny but fast java event-style markup parser.

C XML Minimalistic Library (CXML) - An XML library for C with a focus on simplicity and ease of use.

The xmlresolver project provides an advanced implementation of the SAX EntityResolver (and extended EntityResolver2), the Transformer URIResolver, the DOM LSResourceResolver, the StAX XMLResolver, and a new NamespaceResolver. It uses the OASIS XML Catalogs V1.1 Standard to provide a mapping from external identifiers and URIs to local resources.

Fast lossless JSON parse event streaming, in JavaScript.

Lightning fast JSON parser.

Fast and lightweight event-driven streaming XML parser in pure JavaScript

Standalone ncdu export feature

Fortran XML parser for poor people

Fast SAX XML parser for PHP.

Sequitur and RePair grammar induction algorithms implementation

The Just-Good-Enough XML Toolkit

Lightning fast XML parser.

A tiny, super fast, namespace aware, sax-style XML parser.