Introduction to Netcatty
Netcatty is a modern SSH client and terminal manager designed for developers, sysadmins, and DevOps engineers who need to manage multiple remote servers efficiently. Built with Electron, React, and xterm.js, it provides a beautiful and feature-rich workspace for SSH connections, SFTP file transfers, and terminal operations.
What is Netcatty?
Netcatty is a comprehensive solution for remote server management:- SSH Client Alternative - A modern replacement for PuTTY, Termius, SecureCRT, and macOS Terminal.app
- SFTP File Manager - Powerful dual-pane file browser with drag-and-drop support
- Terminal Workspace - Split panes, tabs, and session management for multi-tasking
- Multi-Protocol Support - SSH, local terminal, Telnet, Mosh, and Serial connections
- Not a Shell - Netcatty connects to shells via SSH/Telnet/Mosh or local/serial sessions
Key Features
Vault Organization
Multiple View Modes
Switch between grid, list, and tree views to match your workflow. Grid view provides quick visual overview, list view enables dense scanning, and tree view offers hierarchical navigation.
- Fast Search - Quickly locate hosts and groups across your entire vault
- Drag & Drop - Organize hosts by dragging them between groups
- Tagging System - Categorize and filter hosts using custom tags
Terminal Workspaces
Split Panes
Work in multiple sessions simultaneously with horizontal and vertical splits. Monitor deployments, logs, and metrics side-by-side without juggling windows.
- Session Management - Run multiple connections in tabs and panes
- Session Restore - Pick up where you left off with workspace persistence
- Broadcast Mode - Send commands to multiple terminals simultaneously
- Custom Themes - Choose from built-in themes or create your own
- Keyword Highlighting - Customize highlight rules for errors, warnings, and important patterns
SFTP & File Management
Built-in Editor
Edit remote files directly in Netcatty without downloading to a separate editor. Supports syntax highlighting via Monaco Editor.
- Drag & Drop - Upload and download files by dragging them between panes or from your desktop
- File Operations - Copy, cut, paste, rename, delete with familiar keyboard shortcuts
- Bookmarks - Save frequently accessed remote paths for quick navigation
- Encoding Support - Handle filenames in UTF-8, GB18030, or auto-detect
- Sudo SFTP - Perform SFTP operations with elevated privileges
Advanced Features
Port Forwarding- Local, remote, and dynamic (SOCKS) port forwarding
- Auto-start rules that activate when the app launches
- Visual status monitoring for active tunnels
- Jump hosts/bastion support via host chaining
- HTTP and SOCKS5 proxy configuration
- Multiple authentication methods: password, SSH keys, certificates
- SSH key generation and management (RSA, ECDSA, ED25519)
- Identity system for reusable credentials
- Custom font family and size per host or globally
- WebGL or Canvas rendering for optimal performance
- Configurable cursor style and blink behavior
- Adjustable scrollback buffer (up to 10,000+ lines)
- Link detection with configurable modifier keys
- Snippets - Save and execute frequently used commands with keyboard shortcuts
- Command Palette - Quick access to all features (⌘+K or Ctrl+K)
- Quick Switcher - Jump between hosts and sessions instantly
- Shell History - Search and reuse commands from past sessions
- Connection Logs - Review and replay terminal sessions
Who is Netcatty For?
Developers
Manage development servers, debug applications, and sync code with integrated SFTP workflows
System Administrators
Monitor multiple servers, perform maintenance tasks, and organize infrastructure with the Vault system
DevOps Engineers
Deploy applications, manage configurations, and troubleshoot issues across distributed systems
Supported Platforms
| Platform | Architecture Support |
|---|---|
| macOS | Universal (x64 / arm64) |
| Windows | x64 / arm64 |
| Linux | x64 / arm64 |
Supported Linux Distributions
Netcatty automatically detects and displays OS icons for connected hosts:- Ubuntu, Debian, Linux Mint
- CentOS, Red Hat Enterprise Linux, Rocky Linux
- Fedora, Amazon Linux, Oracle Linux
- Arch Linux, openSUSE
- Alpine Linux, Kali Linux
Why Choose Netcatty?
If you regularly work with multiple servers, Netcatty is built for speed and flow:Workspace-first design - Split panes + tabs + session restore for “always-on” workflows where you can pick up exactly where you left off.
- Vault Organization - Grid/list/tree views with fast search and drag-friendly workflows for managing dozens or hundreds of hosts
- Serious SFTP - Built-in editor + drag & drop + smooth file operations eliminate the need for separate FTP clients
- Open Source - Licensed under GPL-3.0, free to use and modify
- Cross-Platform - Native experience on macOS, Windows, and Linux
- Modern UI - Built with React and Tailwind CSS for a clean, responsive interface
Tech Stack
| Category | Technology |
|---|---|
| Framework | Electron 40 |
| Frontend | React 19, TypeScript |
| Build Tool | Vite 7 |
| Terminal | xterm.js 5 |
| Styling | Tailwind CSS 4 |
| SSH/SFTP | ssh2, ssh2-sftp-client |
| PTY | node-pty |
| Icons | Lucide React |
Next Steps
Installation
Download and install Netcatty on your platform
Quick Start
Connect to your first host and explore the features