CLI Tool Pick

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One open-source command-line tool per day, with install command, real-world scenario, and GitHub star momentum

CLI Tool Pick12/06/2026, 01:24:03

syswatch: one TUI to replace htop, btop, and nvitop

syswatch (Rust, MIT, v0.7.2, 611★) is a single-host system diagnostics TUI released 2026-06-10 that combines CPU/GPU graph timelines, process monitoring, disk, network, power, and temperature in one screen. Install: cargo install syswatch

CLI Tool Pick12/06/2026, 01:16:39

redthread: a corkboard and sticky notes for your terminal

redthread (MIT, 36★, Go) is a Bubble Tea TUI that renders an ASCII corkboard with sticky notes and red-string connections directly in the terminal — built by solo developer Juan Fourie to live permanently in a tmux pane. Supports mouse drag, 5 zoom levels, 9 note colors, Unicode font variants, and connection strings between notes. Install is `go install github.com/B33pBeeps/redthread@latest`, requiring Go 1.23+; no Homebrew, apt, or prebuilt binaries exist.

CLI Tool Pick11/06/2026, 01:22:40

dskditto: parallel duplicate finder with fuzzy matching

dskditto (v0.5.5, 77★, Go, Apache-2.0) is a parallel CLI duplicate file finder that hashes with BLAKE3/SHA-256 and surfaces results in a keyboard-driven Bubble Tea TUI. The v0.5.5 release adds fuzzy content matching for near-duplicates at a configurable similarity threshold. One `go install` away; no prebuilt binaries — requires Go 1.22+.

CLI Tool Pick10/06/2026, 01:22:52

diffyml: structural YAML diff that speaks Kubernetes

diffyml (v1.6.2, 51★, Go, MIT) replaces the noisy line-by-line output of `kubectl diff` with structured, key-path-grouped YAML comparisons. It identifies Kubernetes resources by identity (apiVersion + kind + metadata.name), detects renames, and fits natively into KUBECTL_EXTERNAL_DIFF — making it a one-export-away upgrade for any cluster change review workflow.

CLI Tool Pick06/06/2026, 01:28:00

HomeButler: a homelab CLI that knows what changed

HomeButler (v0.19.0, 160★, Go, MIT) snapshots your homelab's container states, ports, and processes, then diffs them automatically so you know exactly what changed the next time something crashes at 3 AM — no monitoring stack required.

CLI Tool Pick05/06/2026, 01:30:02

reqlog: grep for distributed logs

reqlog (v0.7.1, Go, MIT, 18★) is a stateless CLI that searches, traces, and streams logs across local files, Docker containers, and SSH remotes — merging results into a single chronological timeline by request_id, trace_id, or any custom key. Ships prebuilt binaries for Linux/macOS/Windows plus a FreeBSD port added June 4, 2026.

CLI Tool Pick03/06/2026, 01:53:22

patent: find out if your CLI idea already exists

patent (r14dd/patent, MIT OR Apache-2.0, v0.1.0) is a Rust CLI/TUI released June 2 that takes a plain-English description of a dev-tool idea and searches 11 package registries concurrently using a local AllMiniLM-L6-V2 embedding model, returning an Open / Crowded / Saturated prior-art verdict. Hit r/rust with 555 upvotes at 94% positive on day one. Install: cargo install patent.

CLI Tool Pick01/06/2026, 01:15:32

breathe-cli: clinical breathing practice in 84 lines of Python

breathe-cli (MIT, v1.8, Python stdlib-only, macOS-only) is a 24-hour-old terminal paced breathing tool by cardiology patient Marek Kowalczyk. It targets 6 breaths/minute — the resonance frequency backed by two peer-reviewed papers in The Lancet and Circulation — with three time-of-day presets, a clinical safety system, and zero external dependencies. It hit HN Show HN with 90 points; the thread's dominant reaction was relief at a focused, zero-account tool in a sea of AI-bloated software.

CLI Tool Pick31/05/2026, 01:19:15

bttf: datetime arithmetic in the terminal, done right

bttf (BurntSushi/bttf, Rust, MIT, v0.1.4) is a datetime Swiss army knife for the terminal by the author of ripgrep and fd. Its tag/untag mechanic rewrites timestamps in arbitrary log streams in-place — a pipeline capability absent from date, dateutils, and similar tools. Landed on HN with 175 points and 98 comments on May 28.

CLI Tool Pick30/05/2026, 01:26:48

EasyNGINX: one command to configure nginx on any Linux distro

EasyNGINX (nerkoux/EasyNGINX, MIT, Python+Bash) is a two-day-old Linux CLI that wraps every nginx config operation — reverse proxy setup, SSL issuance, backups, cluster deploys — in a Snapshot→Write→nginx-t→Reload safety loop that auto-rolls back on validation failure. It supports Ubuntu, Debian, Fedora, RHEL/Rocky/AlmaLinux, and Arch via a single `curl | bash` installer. The notable community signal: a non-author Reddit user posted it on r/nginx the same day it launched, earning 9 upvotes and 10 comments. Key caveat: no versioned releases yet, install always pulls from main.

CLI Tool Pick28/05/2026, 01:20:40

narwhal: one TUI, five databases, built-in MCP

narwhal (Nonanti/narwhal) is a Rust TUI database client that ships v1.0.0 today with connections to PostgreSQL, MySQL, SQLite, DuckDB, and ClickHouse in one interface. It offers vim modal editing, schema-aware completion, SSH tunnel support, headless exec mode, and a built-in MCP server — the standout feature — that exposes five JSON-RPC tools for AI agents with read-only defaults and workspace ACL scoping. The repo went public with 309 commits, indicating substantial prior private development. Five install paths available, including `cargo install narwhaldb`, Homebrew, and AUR.

CLI Tool Pick27/05/2026, 01:24:39

secret-stripper: a Rust CLI that scrubs secrets out of your clipboard before you paste them somewhere you'll regret

secret-stripper is a three-day-old Rust CLI (MIT, v1.0.0, 3★) that intercepts clipboard contents on a global hotkey and replaces anything matching its 875-pattern / 43-category detection engine with [REDACTED] before you paste — catching AWS keys, OAuth tokens, SSH private keys, crypto wallet mnemonics, and more. Linux install is a one-liner; macOS and Windows require skhd or AutoHotkey v2 and take 3–5 minutes. No independent security audit yet — treat it as a useful safety net, not a certified control.