Open Source Command Line Tools
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Command Line Tools
Browse free open source Command Line Tools and projects for Linux and ChromeOS below. Use the toggles on the left to filter open source Command Line Tools by OS, license, language, programming language, and project status.
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Software for managing apps and accounts | WebCatalogTurn websites into desktop apps with WebCatalog Desktop—your all-in-one tool to manage apps and accounts. Switch between multiple accounts, organize apps by workflow, and access a curated catalog of desktop apps for Mac and Windows.
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Quality and compliance software for growing life science companiesAutomate gap analysis across FDA, ISO 13485, MDR, and 28+ regulatory standards. Cross-map evidence once, reuse across submissions. Get real-time risk alerts and board-ready dashboards, so you can expand into new markets with confidence
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A command line tool to create C files from binary files. It can be used to embed the contents of external files to a C or C++ program.
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InkOS
Autonomous novel writing CLI AI Agent
InkOS is a multi-agent creative writing system designed to automate the production of long-form narrative content such as novels through coordinated AI workflows. The system organizes multiple specialized agents that collaborate in stages, including drafting, reviewing, editing, and refining text, with optional human checkpoints to ensure quality and coherence. Its architecture reflects a pipeline approach where each agent contributes a specific function, allowing iterative improvement rather than single-pass generation. This design makes it particularly suited for complex storytelling tasks that require consistency, tone management, and structural planning across long outputs. The platform likely incorporates feedback loops where agents critique and revise each other’s work, simulating editorial processes found in traditional publishing. It emphasizes scalability, enabling users to generate large volumes of narrative content with minimal manual intervention. -
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GeoIP
This project automatically generates GeoIP files in multiple formats
GeoIP is a community-maintained project that generates and publishes enhanced GeoIP/Geo-database and IP-location/routing data in multiple formats (e.g. V2Ray .dat, MaxMind .mmdb, and others) to support proxy, VPN, or routing tools requiring IP-to-country/region resolution. Rather than depending solely on the official GeoLite2 data, geoip augments and merges data sources (especially for certain regions) to improve coverage or tailor by use-case (e.g. proxy-specific rules, private networks, or region-based classification). The repo provides automated, periodic releases (e.g. weekly or on schedule) and also offers a CLI tool so users can regenerate or customize geo data in the format they need — for example, producing a .dat file for V2Ray / Xray-core, or a MaxMind-compatible .mmdb. -
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Obsidian Skills
Agent skills for Obsidian
Obsidian-Skills is a repository of agent skills tailored for use with Obsidian and any Claude-compatible agent that follows the standard Agent Skills specification, enabling AI assistants to better understand and interact with Obsidian content. These skills are markdown-driven specifications that teach Claude Code (or similar agents) how to perform context-aware tasks within Obsidian’s unique environment, such as interpreting different file types and workflows, automating workflows tied to notes, or enhancing agent responses with structured knowledge. By providing formal descriptions of patterns, conventions, and workflows common to Obsidian users, the skills empower AI tools to give more relevant suggestions, generate content that adheres to user conventions, or execute complex multi-step operations that respect the knowledge graph and file relationships. -
Windocks - Docker Oracle and SQL Server ContainersWindocks is a leader in cloud native database DevOps, recognized by Gartner as a Cool Vendor, and as an innovator by Bloor research in Test Data Management. Novartis, DriveTime, American Family Insurance, and other enterprises rely on Windocks for on-demand database environments for development, testing, and DevOps. Windocks software is easily downloaded for evaluation on standard Linux and Windows servers, for use on-premises or cloud, and for data delivery of SQL Server, Oracle, PostgreSQL, and MySQL to Docker containers or conventional database instances.
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OpenCLI
Make Any Website & Tool Your CLI
OpenCLI is an open-source command-line interface framework designed to simplify the creation and management of developer tools by providing a modular and extensible architecture for building CLI-based applications. It focuses on improving developer productivity by standardizing how commands, arguments, and workflows are structured, allowing teams to create consistent and scalable command-line utilities. The project abstracts away much of the complexity typically associated with CLI development, enabling developers to focus on business logic rather than low-level parsing and configuration. It is designed to be flexible enough to support a wide range of use cases, from simple scripts to complex multi-command applications. OpenCLI also emphasizes usability and developer experience by offering intuitive command structures and easy extensibility. Its architecture supports integration with external services and tools, making it suitable for automation pipelines. -
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mgrep
A calm, CLI-native way to semantically grep everything, like code
This project is a modern, semantic search tool that brings the simplicity of traditional command-line grep to the world of natural language and multimodal content, enabling users to search across codebases, documents, PDFs, and even images using meaning-aware queries. Built with a focus on calm CLI experiences, it lets you index and query your local files with semantic understanding, delivering results that are relevant to your intent rather than simple pattern matches, which is especially powerful in large or diverse projects. It also includes features such as background indexing to keep your search index up to date without interrupting your workflow and web search integration to expand the scope of queries beyond local files. Designed for both programmers and agents, it integrates naturally into development and research workflows while offering thoughtful defaults that keep output clean and informative. -
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lark-cli
A command-line tool for Lark/Feishu Open Platform
lark-cli is a command-line tool designed to interact with the Lark (Feishu) ecosystem, enabling developers to manage and automate workflows within the platform directly from the terminal. It provides utilities for handling applications, bots, messaging, and other services offered by Lark, making it easier to integrate enterprise collaboration features into development pipelines. The tool is designed for efficiency, allowing users to perform operations quickly without relying on graphical interfaces. It supports authentication, configuration management, and API interactions, streamlining the process of building and deploying Lark-based applications. The CLI also facilitates automation by enabling scripting and integration with CI/CD workflows. It is particularly useful for teams that rely on Lark for communication and want to extend its functionality programmatically. -
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QMD
mini cli search engine for your docs, knowledge bases, etc.
QMD is a powerful and lightweight command-line tool that acts as an on-device search engine for your personal knowledge base, allowing you to index and search files like Markdown notes, meeting transcripts, technical documentation, and other text collections without depending on cloud services. Designed to keep all search activity local, it combines classic full-text search techniques with modern semantic features such as vector similarity and hybrid ranking so that queries return not just literal matches but conceptually relevant results. Users can organize content into named collections, embed documents for semantic retrieval, and then perform keyword searches, semantic searches, or hybrid natural-language queries to quickly surface the most useful information across all indexed sources. Because the entire system runs on the user’s machine, privacy is preserved and there’s no risk of exposing sensitive content to outside providers. -
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AI Commits
A CLI that writes your git commit messages for you with AI
AI Commits is a command-line tool that writes your git commit messages for you using an AI model. It works by running git diff to gather your staged code changes, sending that diff to an LLM (originally GPT-3, now configurable), and receiving back a concise, human-readable commit message. The tool is designed to integrate cleanly into a developer’s workflow so that generating a descriptive commit message becomes a single command rather than a chore. It supports configuration via environment variables or config files so you can set your API key, preferred model, message style, and more. There are also options to preview, edit, or regenerate the AI-proposed message before actually committing, giving developers control instead of blindly trusting the output. Because it’s published as an npm package and even as a Homebrew formula, installation is straightforward across platforms. -
The most user-friendly sales commission software for revenue-focused teamsRated as #1 sales compensation management software, Everstage helps businesses streamline commission administration, boost sales performance and improve ROI with actionable insights. Top features: No-code plan designer, detailed commission statements, advanced commission forecasting, quota management, queries & approval workflows, deferred commissions (ASC606), BI-powered reporting, and more.
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Vouch
A community trust management system based on explicit vouches
Vouch is an open-source community trust management system that introduces an explicit vouching model to govern who is allowed to contribute to a project’s critical interactions, such as opening issues or submitting pull requests. Traditional open source has relied on implicit trust earned through effort, but the advent of AI-generated low-quality contributions has made maintainers seek more intentional vetting processes. With Vouch, existing trusted contributors explicitly “vouch” for new community members before they can participate in selected parts of the project, and they can also “denounce” users to block them should they act in bad faith. The system stores trust decisions in a simple flat file format that integrates easily with version control and can be parsed using standard tools, making the trust layer lightweight and transparent. -
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blueutil
CLI for bluetooth on OSX: power, discoverable state, list, etc.
blueutil is a command-line utility for managing Bluetooth on macOS. It provides control over Bluetooth connections, device pairing, and power state from the terminal. -
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Summarize
Point at any URL/YouTube/Podcast or file
Summarize is a toolset that lets you point at almost any content and quickly extract the gist, whether that content is a webpage, a YouTube video, a podcast, or a local file. It’s built around a CLI workflow so you can summarize from the terminal, but it also includes a Chrome extension so you can do the same thing directly while browsing. The project pairs an on-device “daemon” style background service with user-facing commands and extension UI, so summaries can feel immediate and repeatable once installed. It’s designed for people who constantly triage information and need a fast way to turn long, messy sources into short, actionable takeaways. The repository includes troubleshooting guidance for common extension and connectivity issues, which signals that the tool is intended for daily use rather than one-off demos. Overall, it positions itself as a practical “reading accelerator” that fits into both developer workflows and normal browsing habits. -
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aws-cli
Universal Command Line Interface for Amazon Web Services
The AWS CLI is the universal command-line interface for managing AWS services, automating tasks, and scripting cloud workflows. It exposes nearly every public API from EC2 and S3 to IAM, Lambda, and beyond, providing parity with the service SDKs in a tool you can run anywhere. Profiles, regions, single-sign-on, and credential helpers make it straightforward to switch contexts securely across accounts and environments. Its output controls and JMESPath querying let you slice, filter, and transform JSON responses directly in the shell, which is essential for automation. Waiters, paginators, and retries handle long-running or large list operations cleanly so scripts are resilient. The CLI’s stability and extensive documentation make it a cornerstone for CI/CD, incident response, and day-to-day operations. -
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Claude Code Templates
CLI tool for configuring and monitoring Claude Code
Claude Code Templates is a popular open-source CLI tool and template ecosystem designed to streamline how developers work with Anthropic’s Claude Code by providing a rich catalog of ready-to-use code templates, AI agents, custom commands, settings, hooks, and external integrations that can be installed interactively or via the command line. It lets you quickly scaffold domain-specific AI agents (like security auditors, performance optimizers, or database architects), fill in consistent project configurations, and embed automated workflows without reinventing the wheel for each new project. The templates and components are organized by workflow so teams can adopt best practices for testing, deployment, documentation, DevOps automation, and more, all powered by Claude’s agent SDK. Interactive installation commands and a marketplace-style interface make it easy to browse and apply components, and the tool also includes development utilities like analytics and conversation monitoring. -
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Cloud CLI
Use Claude Code, Cursor CLI or Codex on mobile and web with CloudCLI
ClaudeCodeUI, also known as CloudCLI, is an open-source web and mobile interface that enables developers to control Claude Code and similar AI coding tools through a graphical environment. The project provides a browser-based dashboard that allows users to manage coding sessions, projects, and prompts remotely from virtually any device. It is designed to bridge the gap between terminal-first AI coding workflows and more accessible visual interfaces, improving usability without sacrificing power. The interface supports integration with tools such as Cursor CLI and Codex, enabling flexible multi-model workflows. Built with a mobile-friendly design, it allows developers to monitor and interact with AI coding agents on the go. Overall, ClaudeCodeUI focuses on productivity, remote control, and improved developer ergonomics for AI-assisted programming. -
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Gitlab CLI
Ruby wrapper and CLI for the GitLab REST API
Gitlab CLI is a Ruby gem and CLI tool that wraps the REST API of GitLab (including self-hosted GitLab instances) to make automation, scripting and integration simpler. It provides a Ruby DSL that abstracts away direct HTTP calls, letting developers interact with GitLab’s API in idiomatic Ruby (creating projects, merge requests, listing users, etc.). In addition to the Ruby library, there is a command-line interface which enables many GitLab operations from the terminal (or scripts) without needing to manually craft API requests. The gem supports customization of endpoint URL, private tokens, proxy and HTTP options, making it suitable for self-managed GitLab instances as well as gitlab.com. It is test-covered and built to be simple to integrate into Ruby projects or CI scripts. Being open-source under a BSD-2-Clause license, it invites reuse in organizational tooling or internal DevOps workflows. Overall, it is a useful tool for teams working with GitLab who want to automate tasks. -
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jdbc2csv.jar
Command-line sql JDBC tool
jdbc2csv is a small command-line tool written in JAVA and can be used on all platforms, for which JRE 8 or higher is available. To connect to a specific DBMS the tool uses its JDBC driver. The result of the executed 'select' query is displayed in CSV format ( different standards are supported ). When there is an error the tool stops with exit code 1 and the error message is output on stderr. jdbc2csv is created with a main purpose to be used in shell-scripts. Relatively easy to configurate, this tool is suitable for queries ‘select’, ‘update’ and ‘delete’. I think that is not suitable for a large number of requests, like 'insert'. -
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mcp-cli
Lighweight CLI to interact with MCP servers
mcp-cli is a lightweight, Bun-based command-line interface (CLI) tool that simplifies how developers discover, inspect, and interact with Model Context Protocol (MCP) servers from the terminal. The Model Context Protocol is an emerging open standard for connecting language models and external tools, and mcp-cli helps mitigate common pain points like context window bloat by dynamically discovering MCP servers and reducing token load during interactions. It’s designed to be fast and shell-friendly, compiling to a single standalone binary and producing machine-readable output (e.g., JSON) that plays well with other CLI tooling like jq and standard piping. mcp-cli supports both stdio and HTTP-based MCP servers, connection pooling with a lazy-spawn daemon to keep connections warm, and flexible tool filtering via easy configuration options. -
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yt-x
Browse youtube from your terminal
yt-x is a lightweight tool designed to enhance the YouTube viewing and interaction experience by providing additional functionality beyond the standard platform interface. It typically works by injecting scripts or modifying how YouTube pages behave, enabling users to customize playback, interface elements, or interaction features. The project focuses on improving usability and control, allowing users to tailor their viewing experience according to personal preferences. It may include enhancements such as improved navigation, playback controls, or interface adjustments that streamline content consumption. Designed to be simple and efficient, yt-x avoids unnecessary complexity while still offering meaningful improvements to the default YouTube experience. It is particularly useful for users who want more control without switching to entirely different platforms or heavy extensions. Overall, yt-x provides a customizable layer on top of YouTube that enhances usability and interaction. -
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SIGAR (System Information Gatherer and Reporter) is a cross-platform, cross-language library and command-line tool for accessing operating system and hardware level information in Java, Perl and .NET.
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MCPorter
Call MCPs via TypeScript, masquerading as simple TypeScript API
Mcporter is a utility designed to port Minecraft worlds from Java Edition to Bedrock Edition while preserving as much structural and gameplay integrity as possible. It addresses the complex differences between the two editions’ world formats, block states, biomes, and entity representations, giving players a seamless way to bring beloved Java worlds into the Bedrock ecosystem. The tool analyzes and converts chunks, block definitions, and metadata to a format Bedrock can interpret, ensuring terrain, constructions, and most in-game elements remain recognizable and playable after conversion. Its command-line workflow simplifies what would otherwise be a manual and error-prone process, allowing users to specify source worlds, conversion settings, and target outputs with clarity and control. -
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bat
Go implement CLI, cURL-like tool for humans
bat is a Go-implemented, cURL-like command-line HTTP client designed to be “for humans,” emphasizing an expressive and intuitive syntax. It allows developers to test, debug, and generally interact with HTTP servers using concise commands that feel more like a small DSL than raw cURL flags. The tool supports a wide range of HTTP operations including custom methods, headers, JSON payloads, form submissions, file uploads, authentication and proxy configuration. Its README showcases simple “hello world” usage as well as more advanced scenarios, such as inspecting the exact request being sent via print options. Because it is written in Go and distributed as a single binary, it is easy to install and use across platforms, and it can even be run inside Docker containers for isolated workflows. The project is inspired by HTTPie but tailored to Go’s strengths, with an Apache-2.0 license that encourages both personal and commercial use. -
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skills
The open agent skills tool - npx skills
skills is a CLI that turns “agent skills” into a portable, installable ecosystem, letting developers add reusable instruction sets to many different coding agents from a single command. Instead of hardcoding prompts per tool, it standardizes skills as SKILL.md files with structured metadata so they can be discovered, listed, installed, updated, and version-tracked consistently. The CLI supports pulling skills from common git sources, including GitHub shorthand, full URLs, direct paths inside repos, GitLab URLs, generic git remotes, and even local folders. It is designed to work across a wide range of agents and editors, so one skill package can be installed into multiple agent-specific directories without rewriting anything for each environment. It also supports both interactive and automation-friendly flows, including non-interactive installs for CI and bulk installs for all skills, which makes it usable for teams that want consistent agent capability across machines. -
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BackAnt CLI
Let your AI agent create clean, easy to maintain flask backends
BackAnt CLI is an AI-native backend scaffolding tool designed to generate production-ready Flask APIs from a JSON specification or a small set of CLI commands. Its main goal is to reduce the repetitive work involved in setting up layered backend projects by generating key application components automatically rather than forcing developers to assemble them by hand. The tool creates a structured backend architecture that includes routes, services, repositories, models, startup files, Docker Compose configurations, and CI/CD workflows, which makes it especially useful for teams that want consistency across projects. It can scaffold an entire API or extend an existing project by generating a single route or sub-route, so it supports both greenfield development and iterative expansion. BackAnt CLI is also designed to work with coding agents through an MCP server, which allows compatible AI development tools to generate and modify backend code directly from chat-driven workflows. -
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csv2odf
csv2odf can convert csv data to formatted spreadsheets and documents.
csv2odf can create business intelligence reports from csv data sources with output to ods, odt, html, xlsx, or docx documents. It uses a template file that you design to control the layout, fonts, and colors. Just query your database with output to csv (or tsv), then use csv2odf to insert the data into your template to produce a nice looking formatted output. It is a command line tool and you can automate the generation of reports by using scripts and cron. It can be used to create spreadsheets and documents for LibreOffice, OpenOffice, Microsoft Office Excel and Word. It is open source GPL v3 and crossplatform, it can run on most operating systems that can run Python (Python is required). More details, example files, and online manual at http://csv2odf.sf.net.
