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httpinspect

JavaScript

72

top, but for the HTTP endpoints on your host — a live dashboard of the most active plaintext HTTP endpoints, right in the terminal.

sigwire

JavaScript

63

tail -f for signals. Every signal any process on the box raises — who sent it, who it hit, which signal, how it was raised (kill(2), the kernel, a POSIX timer), whether the target caught it and how long its handler ran, whether it tore a blocked syscall out with EINTR.