ioprogress is a Go library with implementations of io.Reader and io.Writer that draws progress bars. The primary use case for these are for command-line applications but alternate progress bar writers can be supplied for alternate environments.

Package cmd runs external commands with concurrent access to output and status. It wraps the Go standard library os/exec.Command to correctly handle reading output (STDOUT and STDERR) while a command is running and killing a command. All operations are safe to call from multiple goroutines.

This package implements a functionality for generating things based on go files. This mechanism was first used in Kubernetes code-generator and is split out here for ease of reuse and maintainability.

String conversion functions for lipgloss Styles.

Stemmer package provides an interface for stemmers and includes English, German and Dutch stemmers as sub-packages.

This package provides a file system abstraction for Go.

Package argv parses command line string into arguments array using the bash syntax.

Package errors provides simple error handling primitives. It's an alternative fork of https://github.com/pkg/errors project.

This package provides a library for handling IP addresses, including IPv4 and IPv6 addresses, subnets, and ranges with support for parsing, validation, and manipulation.

This package provides functionality to generate Go code.

This package implements ULID as specified in https://github.com/ulid/spec.

Features of ULID:

• 128-bit compatibility with UUID

• 1.21e+24 unique ULIDs per millisecond

• lexicographically sortable

• canonically encoded as a 26 character string, as opposed to the 36 character UUID

• uses Crockford's base32 for better efficiency and readability (5 bits per character)

• case insensitive

• no special characters (URL safe)

• monotonic sort order (correctly detects and handles the same millisecond)

This package provides colorable, a module that makes it possible to handle ANSI color escapes on Windows.

This package provides a port of Pixelmatch, a pixel-level image comparison library, to Go. Both a library and a command-line tool are included in this package.

This package provides a POSIX-compatible implementation of getopt for Go.

Storm is a toolkit for BoltDB, providing various methods to work with it.

Package gruid provides a model for building grid-based applications. The interface abstracts rendering and input for different platforms. There are drivers for terminal apps (gruid-tcell), native graphical apps (gruid-sdl) and browser apps (gruid-js).

Package deque provides a fast ring-buffer deque (double-ended queue) implementation for Golang.

It generalizes a queue and a stack, to efficiently add and remove items at either end with O(1) performance. Queue (FIFO) operations are supported using PushBack and PopFront. Stack (LIFO) operations are supported using PushBack and PopBack.

This package provides a syntactically different way to iterate over integers.

Package sereal implements the Sereal, an efficient, compact-output,binary and feature-rich serialization protocol.

This package provides a CLI build from the go-github-com-tklauser-numcpus source.

Implementation of an R-Way Trie data structure.