Cron Manager

A modern, feature-rich GUI-based crontab manager built with Electron, React, and TypeScript. Manage your cron jobs with ease through an intuitive interface with real-time synchronization, backup management, and advanced features.

📥 Download

Download the latest version for your platform:

• 🍎 macOS: Download DMG
• 🪟 Windows: Download Installer
• 🐧 Linux: Download AppImage or Download DEB

All releases are automatically built and published via GitHub Actions.

📦 Installation

macOS

1. Download the .dmg file from the latest release
2. Open the DMG file and drag "Cron Manager" to the Applications folder
3. Important: macOS may block the app with a "damaged" error because it's not signed with an Apple Developer certificate

To bypass Gatekeeper (choose one method):

Method 1: Right-click to open (Recommended)

1. Open Finder and go to Applications
2. Right-click (or Control+click) on "Cron Manager"
3. Select "Open" from the menu
4. Click "Open" in the security dialog
5. The app will launch and won't be blocked again

Method 2: Remove quarantine attribute (Terminal)

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sudo xattr -rd com.apple.quarantine "/Applications/Cron Manager.app"

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Enter your password when prompted, then launch the app normally.

Method 3: System Settings

1. Try to open the app normally (it will be blocked)
2. Open System Settings → Privacy & Security
3. Scroll down to find "Cron Manager was blocked"
4. Click "Open Anyway"
5. Try opening the app again and click "Open"

Windows

1. Download the .exe installer from the latest release
2. Run the installer
3. Windows SmartScreen may show a warning - click "More info" and then "Run anyway"
4. Follow the installation wizard

Linux

AppImage (Universal)

1. Download the .AppImage file
2. Make it executable: chmod +x Cron.Manager-*.AppImage
3. Run it: ./Cron.Manager-*.AppImage

Debian/Ubuntu (.deb)

1. Download the .deb file
2. Install: sudo dpkg -i cron-manager_*_amd64.deb
3. Run: cron-manager or find it in your applications menu

📸 Screenshots

Main Interface - Job Management

Manage cron jobs with intuitive UI - ID column, sorting, inline editing

Quick Edit Mode

Double-click to edit job names and schedules inline

Environment Variables

Configure global and per-job environment variables

Backup Management

Automatic backups with diff viewer and restore functionality

Multi-Language Support

8 languages supported: English, Korean, Japanese, Chinese, German, Russian, Hindi, Portuguese

✨ Features

📝 Job Management

• Visual cron job management - Create, edit, and delete cron jobs through an intuitive UI
• Real-time crontab synchronization - Automatically sync with system crontab
• Job ID column - Unique identifier for each job with sorting support
• Job reordering - Drag and drop to reorganize jobs
• Enable/disable jobs - Toggle jobs without deleting them
• Instant execution - Run jobs immediately for testing
• Test mode - 1-minute test execution with auto-cleanup
• Next run preview - See when jobs will execute next

⏰ Schedule Management

• Schedule validation - Real-time cron expression validation
• Visual schedule builder - Predefined schedule presets
• Next runs preview - See upcoming execution times (up to 5)
• Human-readable format - Understand schedules at a glance
• Cron expression presets - Common schedules (hourly, daily, weekly, monthly, etc.)

🌍 Environment Variables

• Global environment variables - Set variables for all jobs
• Per-job environment variables - Job-specific environment configuration
• Variable validation - Ensure valid environment variable names
• Search and filter - Find variables quickly
• Sort and organize - Sort by key or value

💾 Backup & Restore

• Automatic backups - Crontab backed up on every change
• Manual backup creation - Create backups on demand
• Backup retention - Configurable retention policy (max files and days)
• Restore functionality - Restore from any backup point
• Diff viewer - Compare current crontab with backups
• Search backups - Find specific backups quickly
• Countdown timer - See when backups will be auto-deleted

📁 Advanced Features

• Working directory configuration - Set execution context per job
• Log file management - Configure and view log files
• Real-time log viewer - Open logs in Terminal with tail -f
• Log directory creation - Automatically create log directories
• Script folder access - Quick access to script locations
• Job tagging - Organize jobs with tags
• Job descriptions - Add notes and documentation
• Resizable columns - Customize table column widths

⌨️ Keyboard Shortcuts

• Cmd/Ctrl+N - Create new job
• Cmd/Ctrl+R - Sync with crontab
• Cmd/Ctrl+F - Search/filter
• Cmd/Ctrl+1 - Switch to Jobs tab
• Cmd/Ctrl+2 - Switch to Environment Variables tab
• Cmd/Ctrl+3 - Switch to Backup Management tab

🎨 UI/UX

• Modern interface - Clean, intuitive design with Radix UI
• Dark mode support - Comfortable viewing in any lighting
• Responsive tables - Resizable and sortable columns
• Search and filter - Find jobs, variables, and backups quickly
• Multi-language support - 8 languages: English, Korean, Japanese, Chinese (Simplified), German, Russian, Hindi, Portuguese (Brazil)
• GitHub integration - View repository stars in-app
• Application menu - Full macOS/Windows menu support 정리했ㄷ

Star History

📄 License

MIT License - see LICENSE file for details

Copyright (c) 2024 seunggabi

👤 Author

seunggabi

• GitHub: @seunggabi
• Repository: cron-manager

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Made with ❤️ using Electron, React, and TypeScript