Alternative tools written in C++

btop

A resource monitor with real-time graphs for CPU, memory, disk, network, and processes in an interactive terminal UI.

Alternative to top
kat

Displays file contents with syntax highlighting

Alternative to cat
mosh

A remote terminal application that allows roaming and supports intermittent connectivity.

Alternative to ssh
pdfgrep

A command-line utility to search text in PDF files.

Alternative to grep Works with PDF
plocate

A much faster locate implementation using posting lists and asynchronous I/O.

Alternative to locate
qgrep

A fast code search tool that builds compressed, indexed databases for near-instant regex searches across large codebases.

Alternative to grep
ugrep

A faster, more capable grep replacement with interactive TUI, Boolean search, fuzzy matching, and archive support.

Alternative to grep Works with PDF