Replacehex is a command line search and replace utility that works with hex codes strings. It can operate on both binary and text files efficiently.
A great tool to work on binary data files. First developed to replace mac addresses inside a pcap capture
SchemaDoc is a XML-based markup language for documenting XML schemas. The work products include both the vocabulary and a set of tools for combining it with the schema source (e.g. a DTD) to produce documentation in HTML, XML DocBook, LaTeX, etc.
A software tool to discover the names of people in electronic documents and HTML markup, note the use of the work 'discover' rather than search. Using this tool, the association bewteen names in documents can be inferred.
Svg parser is a C++ library, that you can use to parse SVG documents to build object model, you can work with. It's very small, so you don't need much time to build it. You can easily integrate it to your applications because of some accessibilities.