Developer Command-Line Tools

Run GitHub Actions workflows locally using Docker containers for fast feedback and testing

FFmpeg

Collection of libraries and command-line tools (ffmpeg, ffplay, ffprobe) for converting, streaming, playing and inspecting audio, video and subtitles.

Generate locally-trusted development certificates with automatic CA management for HTTPS testing

Docker image layer analysis tool for exploring contents and optimizing image size

Terminal UI for Docker and Docker Compose management with container logs, stats, and interactive controls

Infrastructure-as-code CLI that builds, changes, and versions infrastructure from declarative configuration files, using execution plans and a resource graph.

ShellCheck

Static analysis tool that identifies syntax errors, semantic problems, and pitfalls in bash/sh shell scripts

trivy

Security scanner that detects vulnerabilities, secrets, and misconfigurations in containers, filesystems, git repos, VMs, and Kubernetes

just

Command runner that saves and runs project-specific commands from a justfile with make-inspired syntax

zellij

Terminal multiplexer with floating panes, multiplayer collaboration, WebAssembly plugins, and built-in web client

mise

CLI tool for managing development environments with version-controlled tools, environment variables, and tasks

k9s

Terminal UI for managing and observing Kubernetes clusters with real-time monitoring and resource navigation

k6

JavaScript-based load testing tool for developers with HTTP, WebSockets, gRPC support and CI integration

Monorepo build system for TypeScript and polyglot codebases with task caching, affected-only runs, plugins, and CI integration including AI-based self-healing.

Command-line benchmarking tool that runs statistical analysis across multiple timing runs of shell commands

TruffleHog

Secrets scanner that finds credentials in Git, filesystems, S3/GCS buckets and Docker images, classifies 800+ types, and verifies whether they are live.

fnm

Fast Node.js version manager built in Rust with support for .node-version and .nvmrc files

Command-line tool for creating, serving, scaffolding, and maintaining Angular applications and workspaces via the ng command.

difftastic

Structural diff tool that compares files based on their syntax rather than lines

Version manager that handles multiple language runtimes per project through plugins, using a single CLI and a .tool-versions file.

radare2

Command-line reverse engineering framework for disassembling, analyzing, emulating, debugging and patching binaries across many architectures and file formats.

Command-line tool that counts blank, comment, and source code lines across many programming languages.

Editor for encrypted files supporting YAML, JSON, ENV, INI formats with AWS KMS, GCP KMS, Azure Key Vault, age, and PGP encryption

Generate terminal GIFs from code scripts for testing and demonstrating CLI tools

CLI tools to quickly switch between Kubernetes contexts and namespaces with fuzzy search support

Hurl

Command line tool that runs and tests HTTP requests defined in plain text files, with request chaining, captures, asserts, and CI reports.

asciinema

Command-line tool for recording and live streaming terminal sessions to lightweight asciicast files

AWS CLI

Official command line interface for Amazon Web Services, with profile-based credentials, configurable output, and shell tab completion.

Vercel CLI

Command-line interface for the Vercel platform: deploy projects, run them locally with vercel dev, and manage deployments from the terminal.

Task

Task runner and build tool that reads tasks from a YAML Taskfile, a simpler cross-platform alternative to Make.

terminalizer

Terminal session recorder that generates animated GIF images from command-line sessions

Fast code statistics tool that counts lines of code, comments, and blanks across 150+ programming languages

hadolint

Dockerfile linter that parses AST and integrates with ShellCheck to validate Docker best practices and bash code in RUN instructions

A standalone .gdbinit written in Python that shows a modular dashboard of program state in GDB each time the debugged program stops.

TypeScript Execute (tsx): a CLI for running TypeScript files directly in Node.js.

CLI for searching the App Store for iOS, iPadOS, tvOS, visionOS and macOS apps and downloading .ipa or macOS .pkg packages.