# tools v4.2.1 - API Reference

## Modules

- [cover](cover.md): A Coverage Analysis Tool for Erlang
- [cprof](cprof.md): A simple Call Count Profiling Tool using breakpoints for minimal runtime
performance impact.
- [crashdump](crashdump.md): A Tool for Handling Erlang Crash Dumps
- [eprof](eprof.md): A Time Profiling Tool for Erlang
- [fprof](fprof.md): A Time Profiling Tool using trace to file for minimal runtime performance
impact.
- [lcnt](lcnt.md): A runtime system Lock Profiling tool.
- [make](make.md): A Make Utility for Erlang
- [tags](tags.md): Generate Emacs TAGS file from Erlang source files
- [tprof](tprof.md): Process Tracing Profiling Tool
- [xref](xref.md): A Cross Reference Tool for analyzing dependencies between functions, modules,
applications, and releases.

