A command-line utility designed to recursively spider webpages for URLs. It works by actively traversing websites - following links embedded in webpages, parsing resources like sitemaps and robots.txt files, and even processing local files - to uncover every URL.

A command-line utility designed to discover URLs for a given domain in a simple, efficient way. It works by gathering information from a variety of passive sources, meaning it doesn't interact directly with the target but instead gathers data that is already publicly available.

A command-line utility designed to discover subdomains for a given domain in a simple, efficient way. It works by gathering information from a variety of passive sources, meaning it doesn't interact directly with the target but instead gathers data that is already publicly available.

A command-line utility for reading from standard input and writing to both standard output and file, providing powerful features for file manipulation and data processing. It combines the functionality of tee, the soaking behavior of sponge, and more.

A Go (Golang) package for rich, structured error handling with full stack-trace support, error wrapping, classification, and formatting.

A Go (Golang) package for structured logging.

A Go (Golang) package for managing retries for operations that might temporarily fail, such as network requests, database queries, or external API calls e.t.c.

A Go (Golang) package for robust and flexible HTTP communication.

A command-line utility for working with URLs.

A Go (Golang) package for handling rate limiting.