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 Pick2026/06/06 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 Pick2026/06/05 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 Pick2026/06/03 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 Pick2026/06/01 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 Pick2026/05/31 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 Pick2026/05/30 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 Pick2026/05/28 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 Pick2026/05/27 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.

CLI Tool Pick2026/05/26 02:04:37

winproc-tui: a Rust TUI for process debugging that records and replays

winproc-tui is a one-day-old Rust/Ratatui Windows 11 x64 TUI (MIT, v0.1.0, 47★) that records process-metric sessions as JSON Lines for frame-by-frame replay and lets you mark two time points for an A/B delta comparison — filling a debugging gap that Task Manager, Process Explorer, and bottom all leave open.

CLI Tool Pick2026/05/25 01:23:50

mkdev: real HTTPS on localhost, shared to your whole LAN in one command

mkdev is a 12-day-old Go TUI tool (MIT, v0.3.0, 96★) that generates a trusted local CA, maps https://name.local to a localhost port, and broadcasts the domain over mDNS — giving every device on your Wi-Fi browser-trusted access to your dev server without tunnels, hosts file edits, or cert warnings.

CLI Tool Pick2026/05/24 01:33:48

devgrep: one TUI to search shell history, logs, and notes

devgrep is a one-day-old Go + Bubble Tea TUI (MIT, v1.0.0, 26★) that indexes shell history, .log files, and markdown notes into a local SQLite database and exposes all three through a single fuzzy-search interface — framed honestly as an early radar find with zero community signal and a broken curl installer.

CLI Tool Pick2026/05/23 01:17:11

Cosmo: PostgreSQL TUI for WAL and MVCC internals

Cosmo is a 9-day-old Go bubbletea TUI that connects to PostgreSQL via a single DATABASE_URL and shows WAL write rate, MVCC dead/live tuples, active queries, and lock details in four auto-refreshing panels — no browser, no Prometheus stack needed.