Altova XMLSpy - The XMLSpy XML Editor is a powerful tool for editing XML and related technologies. It is the only XML Editor with patented SmartFix validation, enterprise-grade editors, converters, debuggers, and code generators.
Advanced JSON Viewer - Advanced JSON Viewer transforms raw JSON data into an elegant, interactive viewing experience right in Safari.
JSON Crack - Seamlessly visualize your JSON data instantly into graphs; paste, import or fetch!
fx - Command-line JSON processing tool
jq - jq is like sed for JSON data - you can use it to slice and filter and map and transform structured...
MiTeC JSON Viewer - Simple, nice and extremely fast JSON viewer and editor, even with very large JSON files.