Command-line tools: C

• c-ares

  Asynchronous DNS library

• c-blosc

  Blocking, shuffling and loss-less compression library

• c-blosc2

  Fast, compressed, persistent binary data store library for C

• c2patool

  CLI for working with C2PA manifests and media assets

• c3c

  Compiler for the C3 language

• c7n

  Rules engine for cloud security, cost optimization, and governance

• ca-certificates

  Mozilla CA certificate store

• cabal-install

  Command-line interface for Cabal and Hackage

• cabextract

  Extract files from Microsoft cabinet files

• caddy

  Powerful, enterprise-ready, open source web server with automatic HTTPS

• cairo

  Vector graphics library with cross-device output support

• cairomm

  Vector graphics library with cross-device output support

• cairomm@1.14

  Vector graphics library with cross-device output support

• calc

  Arbitrary precision calculator

• calicoctl

  Calico CLI tool

• calm-cli

  CLI allows you to interact with the Common Architecture Language Model (CALM)

• capnp

  Data interchange format and capability-based RPC system

• capstone

  Multi-platform, multi-architecture disassembly framework

• carapace

  Multi-shell multi-command argument completer

• cargo-audit

  Audit Cargo.lock files for crates with security vulnerabilities

• cargo-auditable

  Make production Rust binaries auditable

• cargo-binstall

  Binary installation for rust projects

• cargo-c

  Helper program to build and install c-like libraries

• cargo-deny

  Cargo plugin for linting your dependencies

• cargo-edit

  Utility for managing cargo dependencies from the command-line

• cargo-expand

  Show what Rust code looks like with macros expanded

• cargo-generate

  Use pre-existing git repositories as templates

• cargo-hack

  Cargo subcommand to provide options for testing and continuous integration

• cargo-instruments

  Easily generate Instruments traces for your rust crate

• cargo-llvm-cov

  Cargo subcommand to easily use LLVM source-based code coverage

• cargo-nextest

  Next-generation test runner for Rust

• cargo-outdated

  Cargo subcommand for displaying when Rust dependencies are out of date

• cargo-shear

  Detect and remove unused dependencies from `Cargo.toml` in Rust projects

• cargo-udeps

  Find unused dependencies in Cargo.toml

• cargo-update

  Cargo subcommand for checking and applying updates to installed executables

• cargo-zigbuild

  Compile Cargo project with zig as linker

• cariddi

  Scan for endpoints, secrets, API keys, file extensions, tokens and more

• carthage

  Decentralized dependency manager for Cocoa

• cask

  Emacs dependency management

• cassandra

  Eventually consistent, distributed key-value store

• cataclysm

  Fork/variant of Cataclysm Roguelike

• catch2

  Modern, C++-native, test framework

• catimg

  Insanely fast image printing in your terminal

• cava

  Console-based Audio Visualizer for ALSA

• cbc

  Mixed integer linear programming solver

• cbindgen

  Project for generating C bindings from Rust code

• cbonsai

  Console Bonsai is a bonsai tree generator, written in C using ncurses

• cc-connect

  Bridges local AI coding agents to messaging platforms

• cc-switch-cli

  All-in-one assistant tool for Claude Code, Codex, Gemini, OpenCode and OpenClaw

• cc65

  6502 C compiler

• ccache

  Object-file caching compiler wrapper

• ccat

  Like cat but displays content with syntax highlighting

• ccextractor

  Tool for extracting closed captions from video files

• ccls

  C/C++/ObjC language server

• ccusage

  CLI tool for analyzing Claude Code usage from local JSONL files

• cdk

  Curses development kit provides predefined curses widget for apps

• cdk8s

  Define k8s native apps and abstractions using object-oriented programming

• cdncheck

  Utility to detect various technology for a given IP address

• cdo

  Climate Data Operators

• cdrdao

  Record CDs in Disk-At-Once mode

• cdrtools

  CD/DVD/Blu-ray premastering and recording software

• cdxgen

  Creates CycloneDX Software Bill-of-Materials (SBOM) for projects

• ceres-solver

  C++ library for large-scale optimization

• certbot

  Tool to obtain certs from Let's Encrypt and autoenable HTTPS

• certifi

  Mozilla CA bundle for Python

• certigo

  Utility to examine and validate certificates in a variety of formats

• cf-terraforming

  CLI to facilitate terraforming your existing Cloudflare resources

• cf2tf

  Cloudformation templates to Terraform HCL converter

• cffi

  C Foreign Function Interface for Python

• cfitsio

  C access to FITS data files with optional Fortran wrappers

• cfn-lint

  Validate CloudFormation templates against the CloudFormation spec

• cfr-decompiler

  Yet Another Java Decompiler

• cfssl

  CloudFlare's PKI toolkit

• cgal

  Computational Geometry Algorithms Library

• chafa

  Versatile and fast Unicode/ASCII/ANSI graphics renderer

• chainloop-cli

  CLI for interacting with Chainloop

• chainsaw

  Rapidly Search and Hunt through Windows Forensic Artefacts

• chamber

  CLI for managing secrets through AWS SSM Parameter Store

• changie

  Automated changelog tool for preparing releases

• chapel

  Programming language for productive parallel computing at scale

• chardet

  Python character encoding detector

• chart-testing

  Testing and linting Helm charts

• chawan

  TUI web browser with CSS, inline image and JavaScript support

• cheat

  Create and view interactive cheat sheets for *nix commands

• check

  C unit testing framework

• check-jsonschema

  JSON Schema CLI

• checkbashisms

  Checks for bashisms in shell scripts

• checkdmarc

  Command-line parser for SPF and DMARC DNS records

• checkmake

  Linter/analyzer for Makefiles

• checkov

  Prevent cloud misconfigurations during build-time for IaC tools

• checkstyle

  Check Java source against a coding standard

• cherrytree

  Hierarchical note taking application featuring rich text and syntax highlighting

• chezmoi

  Manage your dotfiles across multiple diverse machines, securely

• chezscheme

  Implementation of the Chez Scheme language

• chibi-scheme

  Small footprint Scheme for use as a C Extension Language

• chicken

  Compiler for the Scheme programming language

• chisel

  Collection of LLDB commands to assist debugging iOS apps

• chisel-tunnel

  Fast TCP/UDP tunnel over HTTP

• chkrootkit

  Rootkit detector

• choose-rust

  Human-friendly and fast alternative to cut and (sometimes) awk

• chroma

  General purpose syntax highlighter in pure Go

• chromaprint

  Core component of the AcoustID project (Audio fingerprinting)

• chrome-cli

  Control Google Chrome from the command-line

• chrome-devtools-mcp

  Chrome DevTools for coding agents

• chronograf

  Open source monitoring and visualization UI for the TICK stack

• chrony

  Versatile implementation of the Network Time Protocol (NTP)

• chruby

  Ruby environment tool

• chsrc

  Change Source for every software on every platform from the command-line

• cilium-cli

  CLI to install, manage & troubleshoot Kubernetes clusters running Cilium

• cimg

  C++ toolkit for image processing

• cinecli

  Browse, inspect, and launch movie torrents directly from your terminal

• circleci

  Official command-line tool for CircleCI

• circumflex

  Hacker News in your terminal

• cjson

  Ultralightweight JSON parser in ANSI C

• ckan

  Comprehensive Kerbal Archive Network

• clair

  Vulnerability Static Analysis for Containers

• clamav

  Anti-virus software

• clang-build-analyzer

  Tool to analyze compilation time

• clang-format

  Formatting tools for C, C++, Obj-C, Java, JavaScript, TypeScript

• clang-uml

  Customizable automatic UML diagram generator for C++ based on Clang

• clarinet

  Command-line tool and runtime for the Clarity smart contract language

• claude-cmd

  Claude Code Commands Manager

• claude-code-router

  Tool to route Claude Code requests to different models and customize any request

• claude-code-templates

  CLI tool for configuring and monitoring Claude Code

• claude-squad

  Manage multiple AI agents like Claude Code, Aider and Codex in your terminal

• claudekit

  Intelligent guardrails and workflow automation for Claude Code

• claws-mail

  User-friendly, lightweight, and fast email client

• clazy

  Qt oriented static code analyzer

• cli11

  Simple and intuitive command-line parser for C++11

• cli53

  Command-line tool for Amazon Route 53

• cliclick

  Tool for emulating mouse and keyboard events

• clinfo

  Print information about OpenCL platforms and devices

• cling

  C++ interpreter

• clingo

  ASP system to ground and solve logic programs

• clipboard

  Cut, copy, and paste anything, anywhere, all from the terminal

• clippy

  Copy files from your terminal that actually paste into GUI apps

• cliproxyapi

  Wrap Gemini CLI, Codex, Claude Code, Qwen Code as an API service

• cljfmt

  Formatting Clojure code

• cloc

  Statistics utility to count lines of code

• clock-rs

  Modern, digital clock that effortlessly runs in your terminal

• clojure

  Dynamic, general-purpose programming language

• clojure-lsp

  Language Server (LSP) for Clojure

• clojurescript

  Clojure to JS compiler

• closure-compiler

  JavaScript optimizing compiler

• cloud-nuke

  CLI tool to nuke (delete) cloud resources

• cloud-provider-kind

  Cloud provider for KIND clusters

• cloud-sql-proxy

  Utility for connecting securely to your Cloud SQL instances

• cloudflare-cli4

  CLI for Cloudflare API v4

• cloudflare-quiche

  Savoury implementation of the QUIC transport protocol and HTTP/3

• cloudflare-speed-cli

  Cloudflare-based speed test with optional TUI

• cloudflare-wrangler

  CLI tool for Cloudflare Workers

• cloudflared

  Cloudflare Tunnel client (formerly Argo Tunnel)

• cloudformation-cli

  CloudFormation Provider Development Toolkit

• cloudformation-guard

  Checks CloudFormation templates for compliance using a declarative syntax

• cloudfoundry-cli

  Official command-line client for Cloud Foundry

• cloudfox

  Automating situational awareness for cloud penetration tests

• cloudquery

  Data movement tool to sync data from any source to any destination

• cloudsplaining

  AWS IAM Security Assessment tool

• clusterawsadm

  Home for bootstrapping, AMI, EKS, and other helpers in Cluster API Provider AWS

• clusterctl

  Home for the Cluster Management API work, a subproject of sig-cluster-lifecycle

• cmake

  Cross-platform make

• cmake-docs

  Documentation for CMake

• cmark

  Strongly specified, highly compatible implementation of Markdown

• cmatrix

  Console Matrix

• cmctl

  Command-line tool to manage cert-manager

• cmocka

  Unit testing framework for C

• cmus

  Music player with an ncurses based interface

• cntlm

  NTLM authentication proxy with tunneling

• cocoapods

  Dependency manager for Cocoa projects

• cocogitto

  Conventional Commits toolbox

• codanna

  Code intelligence system with semantic search

• code-cli

  Command-line interface built-in Visual Studio Code

• code2prompt

  CLI tool to convert your codebase into a single LLM prompt

• codebook-lsp

  Code-aware spell checker language server

• codeburn

  See where your AI coding tokens go - by task, tool, model, and project

• codec2

  Open source speech codec

• codecov-cli

  Codecov's command-line interface

• coder

  Tool for provisioning self-hosted development environments with Terraform

• codespell

  Fix common misspellings in source code and text files

• codex-acp

  ACP server that exposes Codex CLI functionality for ACP-compatible clients

• cog

  Containers for machine learning

• colima

  Container runtimes on MacOS (and Linux) with minimal setup

• colmap

  Structure-from-Motion and Multi-View Stereo

• colordiff

  Color-highlighted diff(1) output

• commandbox

  CFML embedded server, package manager, and app scaffolding tools

• commitizen

  Defines a standard way of committing rules and communicating it

• commitlint

  Lint commit messages according to a commit convention

• compiledb

  Generate a Clang compilation database for Make-based build systems

• composer

  Dependency Manager for PHP

• conan

  Distributed, open source, package manager for C/C++

• concord

  Terminal user interface client for Discord

• conda-lock

  Lightweight lockfile for conda environments

• conftest

  Test your configuration files using Open Policy Agent

• connect

  Provides SOCKS and HTTPS proxy support to SSH

• console_bridge

  Robot Operating System-independent package for logging

• consul-template

  Generic template rendering and notifications with Consul

• container

  Create and run Linux containers using lightweight virtual machines

• container-compose

  Manage Apple Container with Docker Compose files

• container-structure-test

  Validate the structure of your container images

• containerd

  Open and reliable container runtime

• contentful-cli

  Contentful command-line tools

• context7-mcp

  Up-to-date code documentation for LLMs and AI code editors

• convmv

  Filename encoding conversion tool

• cookcli

  CLI-tool for cooking recipes formated using Cooklang

• cookiecutter

  Utility that creates projects from templates

• copa

  Tool to directly patch container images given the vulnerability scanning results

• copier

  Utility for rendering projects templates

• copyparty

  Portable file server

• coredns

  DNS server that chains plugins

• corepack

  Package acting as bridge between Node projects and their package managers

• coreutils

  GNU File, Shell, and Text utilities

• corkscrew

  Tunnel SSH through HTTP proxies

• cosign

  Container Signing

• coturn

  Free open source implementation of TURN and STUN Server

• couchdb

  Apache CouchDB database server

• coursier

  Pure Scala Artifact Fetching

• cowsay

  Apjanke's fork of the classic cowsay project

• cpanminus

  Get, unpack, build, and install modules from CPAN

• cpdf

  PDF Command-line Tools

• cpio

  Copies files into or out of a cpio or tar archive

• cpp-httplib

  C++ header-only HTTP/HTTPS server and client library

• cppcheck

  Static analysis of C and C++ code

• cpplint

  Static code checker for C++

• cppman

  C++ manual pages from cplusplus.com and cppreference.com

• cppunit

  Unit testing framework for C++

• cpputest

  C /C++ based unit xUnit test framework

• cppzmq

  Header-only C++ binding for libzmq

• cpufetch

  CPU architecture fetching tool

• cpulimit

  CPU usage limiter

• crane

  Tool for interacting with remote images and registries

• create-dmg

  Shell script to build fancy DMGs

• cri-tools

  CLI and validation tools for Kubelet Container Runtime Interface (CRI)

• crit

  Your feedback loop with the agent: review plans and code locally

• croc

  Securely send things from one computer to another

• cronboard

  Terminal-based dashboard for managing cron jobs locally and on servers

• crossplane

  Build control planes without needing to write code

• crosstool-ng

  Tool for building toolchains

• crowdin

  Command-line tool that allows to manage your resources with crowdin.com

• cruft

  Utility that creates projects from templates and maintains the cruft afterwards

• crun

  Fast and lightweight fully featured OCI runtime and C library

• crunch

  Wordlist generator

• cryptography

  Cryptographic recipes and primitives for Python

• cryptominisat

  Advanced SAT solver

• cryptopp

  Free C++ class library of cryptographic schemes

• crystal

  Fast and statically typed, compiled language with Ruby-like syntax

• cscope

  Tool for browsing source code

• csound

  Sound and music computing system

• cspell

  Spell checker for code

• csshx

  Cluster ssh tool for Terminal.app

• csvkit

  Suite of command-line tools for converting to and working with CSV

• csvlens

  Command-line csv viewer

• csvq

  SQL-like query language for csv

• csvtk

  Cross-platform, efficient and practical CSV/TSV toolkit in Golang

• ctags

  Reimplementation of ctags(1)

• ctlptl

  Making local Kubernetes clusters fun and easy to set up

• ctop

  Top-like interface for container metrics

• ctx7

  Manage AI coding skills and documentation context

• cubejs-cli

  Cube.js command-line interface

• cue

  Validate and define text-based and dynamic configuration

• cunit

  Lightweight unit testing framework for C

• cups

  Common UNIX Printing System

• curl

  Get a file from an HTTP, HTTPS or FTP server

• curlie

  Power of curl, ease of use of httpie

• cvs

  Version control system

• cyclonedx-cli

  Tool for analysis and manipulation of CycloneDX SBOMs

• cycode

  Boost security in your dev lifecycle via SAST, SCA, Secrets & IaC scanning

• cyme

  List system USB buses and devices

• cypher-shell

  Command-line shell where you can execute Cypher against Neo4j

• cyrus-sasl

  Simple Authentication and Security Layer

• cython

  Compiler for writing C extensions for the Python language

• czg

  Interactive Commitizen CLI that generate standardized commit messages

• czkawka

  Duplicate file utility

• czmq

  High-level C binding for ZeroMQ

Try it on your computer

BCD connects ChatGPT, Claude and other AI apps to your own Mac, Windows or Linux computer. One computer is free, with 20,000 tool calls a month and no card.