Open source. Open possibilities.

cb365 is a command-line interface for Microsoft 365, providing scriptable access to services like tasks, mail, calendar, Teams, SharePoint, and OneDrive. It offers structured JSON output, robust authentication, and safety features, making it suitable for DevOps, IT admins, and AI agent integration.

CLI and Claude Code plugin that runs parallel headless Claude sessions, monitors real Anthropic usage, and stops before exceeding your subscription quota. Provides run, process, overview, and connect commands with safety guards.

TidyMyMac is an open-source macOS disk cleanup utility for the terminal. It scans, reviews and reclaims space with a dry-run default, protected paths, modular cleaners, profiles, JSON/CSV export and script generation.

CLI utility to version and automate CTFd instance setup via YAML config, CLI flags, and environment variables. Integrates with GitHub Actions, Drone CI, Docker, and Kubernetes for reproducible CTF infrastructure deployment.

asdf is a CLI tool that manages multiple language runtime versions using a single interface and a plugin-based system.

9vcs is a version control system built on the 9P protocol, written in pure Go with no daemon or database. History is stored as content-addressed patches rather than snapshots, identity is an Ed25519 keypair, and small trusted teams sync directly peer to peer instead of through a hosting platform.

Transform is an open-source polyglot web converter that converts between many data and code formats in the browser. Built with Next.js, it offers per-route transformers and can be self-hosted.

manygit is a terminal UI for managing multiple git repositories at once. It scans a folder tree, shows each repo's branch and status (ahead/behind/dirty), and lets you fetch, pull, push, checkout branches, view commit graphs, run scripts, and browse GitHub PRs—all from one screen. No config file needed; it discovers repos automatically.

yq is a portable command-line processor for YAML, JSON, XML, CSV, TOML, HCL, and properties files, using a jq-like syntax.

pktc is a compiler that translates packet description trees into Linux tunnel device configurations. Write what you expect on the wire and it emits iproute2 commands.

Sempre is a cross-platform lifecycle manager and service supervisor for proxy cores such as sing-box and Mihomo, providing a unified control plane for installation, configuration, and runtime management.

Lux is a fast and simple video downloader CLI tool written in Go. It supports downloading videos, playlists, images, and audio from various sites like YouTube, Bilibili, and Instagram.

Rclone is a command-line program for syncing files and directories with dozens of cloud storage providers. Supports copy, sync, bisync, check, encrypted/compressed remotes, FUSE mounts, and serving files over HTTP/WebDAV/FTP/SFTP/DLNA.

Crumb is a CLI secret manager using SSH key encryption, supporting multi‑machine sync via a self‑hosted server, with import/export, profiles, and shell integration.

kitty is a fast, feature-rich, cross-platform, GPU-accelerated terminal emulator for users who work primarily in the terminal.

IPScout enriches IP addresses from 67 sources (cloud, CDN, threat feeds) via command line, providing threat ratings, caching, and configurable output formats.

Cobra is a Go library for building modern CLI applications with subcommands, POSIX-compliant flags, nested commands, automatic help and shell completion generation, and man page output. It powers tools like Kubernetes, Hugo, and GitHub CLI.

findDupes is a Go command-line tool that finds duplicate files by SHA-256 content hash across one or more directories concurrently, filtering candidates by file size and a 4 KiB prefix hash before fully hashing matches.

A functional and stateful Go framework for building terminal user interfaces (TUIs) based on The Elm Architecture.

kestractl is a Go-based command-line interface for managing Kestra flows, executions, triggers, namespaces, KV store, namespace files, dashboards, plugins, IAM users, and more.