Tools

Polyglot dev environment manager (replaces nvm, rbenv, pyenv, etc.).

A command-line benchmarking tool.

Count lines of code across projects, by language.

Executes commands in response to file modifications.

A handy way to save and run project-specific commands.

A task runner / simpler Make alternative written in Go.

Generate regular expressions from test cases.

Sloc cloc and code: fast and accurate code statistics.

Screenshot or print any web page (local file or URL) to PNG/PDF with the browser you already have.