Source-Navigator is a source code analysis tool. With it, you can edit your source code, display relationships between classes and functions and members, and display call trees...
Cscope is a developer's tool for browsing source code. ... Cscope was part of the official AT&T Unix distribution for many years, and has been used to manage projects involving 20 million lines of code!
<sep/>set of command line utilities (tools) which can be used to transform, query, validate, and edit XML documents and files using simple set of shell commands ... [similar to] ... using UNIX grep, sed<sep/>