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4 Free CLI Tools Every Developer Should Have in 2026

#node #cli #opensource #productivity

You're a developer. You live in the terminal. These four CLI tools will save you hours every week — and they're all free, zero-dependency, and open source.

🔍 dotguard — Stop Leaking Secrets in .env Files 

npx @wuchunjie/dotguard
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Ever accidentally committed an .env file with real API keys? dotguard scans your project for exposed secrets before you push:

  • API keys, passwords, private keys, tokens, database URLs
  • Detects patterns like BEGIN RSA PRIVATE KEY, hardcoded passwords
  • Also flags missing environment variables (like NODE_ENV)
  • Zero dependencies — pure Node.js, runs instantly

📦 npm | ⭐ GitHub

📊 gitpulse — Git Analytics in Your Terminal 

npx @wuchunjie/gitpulse
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How active is that open-source project? Who's doing the heavy lifting? gitpulse gives you instant repo analytics:

  • Contributor leaderboard with visual bars
  • File type breakdown (JS vs TS vs Python…)
  • 7-day activity heatmap
  • Total commits, active days, files touched

Perfect for standup prep, code review context, or checking if that "maintained" library is actually maintained.

📦 npm | ⭐ GitHub

📦 snippetx — Code Snippets That Stay in Your Terminal 

npx @wuchunjie/snippetx
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Stop hunting through old files, Slack messages, and browser bookmarks for that one SQL query. snippetx stores your snippets locally:

echo 'SELECT * FROM users WHERE created_at > NOW() - 7' | snippetx add active-users sql
snippetx list
snippetx search "SELECT"
snippetx copy a1b2c3d4 | pbcopy
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All stored in ~/.snippetx/snippets.json. No cloud, no account, no vendor lock-in.

📦 npm | ⭐ GitHub

🏗️ scaffoldx-cli — 12 Project Templates in 3 Seconds 

npx scaffoldx-cli
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Need a new project? Pick from 12 battle-tested templates — Express API, React SPA, CLI tool, VSCode extension, Electron app, and more:

$ npx scaffoldx-cli
? What would you like to scaffold? express-api
? Project name: my-api
✅ Created my-api with express-api template!
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📦 npm | ⭐ GitHub

The Whole Toolkit

Tool What it does Install
dotguard Scan .env for secrets npx @wuchunjie/dotguard
gitpulse Git repo analytics npx @wuchunjie/gitpulse
snippetx Code snippet manager npx @wuchunjie/snippetx
scaffoldx-cli Project scaffolding npx scaffoldx-cli

All four are:

  • ✅ Zero dependencies
  • ✅ MIT licensed
  • ✅ Run instantly with npx (no install needed)
  • ✅ Open source on GitHub

If these save you time, consider supporting the project:

Built with ❤️ by a developer who just wanted better tools.

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