Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files. Cobra is a library providing a simple interface to create powerful modern CLI interfaces similar to git & go tools.
 
It provides: 
<ul>
<li>Easy subcommand-based CLIs: <code>app server</code>, <code>app fetch</code>, etc.</li>
<li>Fully POSIX-compliant flags (including short &amp; long versions)</li>
<li>Nested subcommands</li>
<li>Global, local and cascading flags</li>
<li>Easy generation of applications &amp; commands with <code>cobra init appname</code> &amp; <code>cobra add cmdname</code></li>
<li>Intelligent suggestions (<code>app srver</code>... did you mean <code>app server</code>?)</li>
<li>Automatic help generation for commands and flags</li>
<li>Automatic help flag recognition of <code>-h</code>, <code>--help</code>, etc.</li>
<li>Automatically generated bash autocomplete for your application</li>
<li>Automatically generated man pages for your application</li>
<li>Command aliases so you can change things without breaking them</li>
<li>The flexibility to define your own help, usage, etc.</li>
<li>Optional tight integration with <a href="http://github.com/spf13/viper">viper</a> for 12-factor apps</li>
</ul>

Cobra is both a library for creating powerful modern CLI applications as well as a program to generate applications and command files. Cobra is a library providing a simple interface to create powerful modern CLI interfaces similar to git & go tools.

Cobra - A Commander for modern Go CLI interactions

termui is a cross-platform, easy-to-compile, and fully-customizable terminal dashboard. It is inspired by blessed-contrib, but purely in Go. 
 
<img src="https://raw.githubusercontent.com/gizak/termui/master/_example/dashboard.gif " width="500" />

termui is a cross-platform, easy-to-compile, and fully-customizable terminal dashboard. It is inspired by blessed-contrib, but purely in Go. 

termui - Golang terminal dashboard

 GRV is a terminal based interface for viewing git repositories. It allows refs, commits and diffs to be viewed, searched and filtered. The behaviour and style can be customised through configuration. Its feature include Commits and refs can be filtered using a query language, Commit Graph, Changes to the repository are captured by monitoring the filesystem allowing the UI to be updated automatically, Custom themes and lot more.

GRV - Terminal interface for viewing git repositories

Ponzu is a powerful and efficient open-source HTTP server framework and CMS. It provides automatic, free, and secure HTTP/2 over TLS, a useful CMS and scaffolding to generate content editors, and a fast HTTP API on which to build modern applications. 
 
With the rise in popularity of web/mobile apps connected to JSON HTTP APIs, better tools to support the development of content servers and management systems are necessary. Ponzu fills the void where you want to reach for Wordpress to get a great CMS, or Rails for rapid development, but need a fast JSON response in a high-concurrency environment.

Ponzu is a powerful and efficient open-source HTTP server framework and CMS. It provides automatic, free, and secure HTTP/2 over TLS, a useful CMS and scaffolding to generate content editors, and a fast HTTP API on which to build modern applications.

Ponzu - Headless CMS with automatic JSON API

age is a simple, modern and secure file encryption tool, format, and Go library. It features small explicit keys, no config options, and UNIX-style composability. It has support for public/private key pairs and passwords, with multiple recipients. An extremely simple CLI that composes well with UNIX pipes, and that works well as a backend for other programs. A good seekable streaming encryption scheme based on modern chunked AEADs, reusable as a general encryption format.


age - A simple, modern and secure encryption tool

dive is a tool for exploring a docker image, layer contents, and discovering ways to shrink the size of your Docker/OCI image. To analyze a Docker image simply run dive with an image tag / id / digest. 
 
Its features include: 
<ul><li>Show Docker image contents broken down by layer</li><li>Indicate what's changed in each layer</li><li>Estimate "image efficiency"</li><li>Quick build/analysis cycles</li><li>CI Integration</li><li>Multiple Image Sources and Container Engines Supported</li></ul>

dive is a tool for exploring a docker image, layer contents, and discovering ways to shrink the size of your Docker/OCI image. To analyze a Docker image simply run dive with an image tag / id / digest. 

dive - A tool for exploring each layer in a docker image

Plumber is a CLI devtool for inspecting, piping, massaging and redirecting data in message systems like Kafka, RabbitMQ , GCP PubSub and many more. It helps to safely view the contents of your data streams, Decode protobuf/avro/thrift/JSON data in real-time, Route data from one place to another, Replay events into a message system on your local network and lot more.


Plumber - A swiss army knife CLI tool for interacting with Kafka, RabbitMQ and other messaging systems

usql is a universal command-line interface for PostgreSQL, MySQL, Oracle, SQLite3, Microsoft SQL Server, and other databases.The below is a demonstration using usql with xo's booktest simple test database, showcasing the release version v0.5.0. In the demonstration, usql connects to a PostgreSQL database, executes some queries, with variable interpolation, connects to a SQLite3 database file, and does some more queries, before then connecting to a Microsoft SQL database and ending the session.

usql - universal command-line interface for SQL databases

fzf is a general-purpose command-line fuzzy finder.It's an interactive Unix filter for command-line that can be used with any list; files, command history, processes, hostnames, bookmarks, git commits, etc.

fzf - A command-line fuzzy finder

skopeo is a command line utility that performs various operations on container images and image repositories. skopeo can work with OCI images as well as the original Docker v2 images. Skopeo works with API V2 container image registries such as docker.io and quay.io registries, private registries, local directories and local OCI-layout directories. 
 
skopeo can perform operations which consist of:
<ul>
<li>Copying an image from and to various storage mechanisms.
For example you can copy images from one registry to another, without requiring privilege.</li>
<li>Inspecting a remote image showing its properties including its layers, without requiring you to pull the image to the host.</li>
<li>Deleting an image from an image repository.</li>
<li>Syncing an external image repository to an internal registry for air-gapped deployments.</li>
<li>When required by the repository, skopeo can pass the appropriate credentials and certificates for authentication.</li>
</ul>

skopeo is a command line utility that performs various operations on container images and image repositories. skopeo can work with OCI images as well as the original Docker v2 images. Skopeo works with API V2 container image registries such as docker.io and quay.io registries, private registries, local directories and local OCI-layout directories. 

Skopeo - Work with remote images registries - retrieving information, images, signing content

nerdctl is a Docker-compatible CLI for containerd.

nerdctl - Docker-compatible CLI for containerd, with support for Compose

Podman (the POD MANager) is a tool for managing containers and images, volumes mounted into those containers, and pods made from groups of containers. Podman is based on libpod, a library for container lifecycle management that is also contained in this repository. The libpod library provides APIs for managing containers, pods, container images, and volumes.

Podman - A tool for managing OCI containers and pods

 A tool similar to cloc, sloccount and tokei. For counting physical the lines of code, blank lines, comment lines, and physical lines of source code in many programming languages. Goal is to be the fastest code counter possible, but also perform COCOMO calculation like sloccount and to estimate code complexity similar to cyclomatic complexity calculators. 

Sloc, Cloc and Code: scc is a very fast accurate code counter with complexity calculations and COCOMO estimates written in pure Go

doggo is a modern command-line DNS client (like dig) written in Golang. It outputs information in a neat concise manner and supports protocols like DoH (DNS over HTTPS), DoT (DNS over TLS) and DNSCrypt as well. It supports multiple resolvers at once, Reverse DNS Lookups, Shell completions for zsh and fish.


doggo - Command-line DNS client for human

runc is a CLI tool for spawning and running containers according to the OCI specification.

runc - CLI tool for spawning and running containers according to the OCI specification

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