docopt : Command-line interface description language
Comby : Comby is a tool for matching and rewriting code.
refurb : A tool for refurbishing and modernizing Python codebases.
Dendron : Dendron is an open-source, local-first, markdown-based, note-taking tool. It's a personal knowledge management solution (PKM) built specifically for d...
Infection Monkey : The Infection Monkey is an open source security tool for testing a data center's resiliency to perimeter breaches and internal server infection. The M...
Codemod is a tool/library to assist you with large-scale codebase refactors that can be partially automated but still require human oversight and occasional intervention. Codemod was developed at Facebook and released as open source.