Secure Offline File Sharing and Team Messaging for LAN, WiFi and VPN

TreeTalk Node lets teams share files, exchange messages and send voice notes directly between devices across local or private networks, without cloud servers or internet dependency.

Built for organizations and individuals that need privacy, resilience, business continuity and speed: from offices and warehouses to healthcare, hospitality, education and air-gapped environments.

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• Free version available
• 14-day Premium trial — no credit card or registration required

No Internet required Works entirely inside your LAN, WiFi or VPN environment.
No server required Files and messages move directly between peers.
Safe for sensitive files Keep data inside your own network with optional encryption.
No complex setup Portable, simple and fast to start using. No registration needed.
TreeTalk Node secure offline file sharing and LAN messenger interface

What is TreeTalk Node? TreeTalk Node is an offline-first business communication and file sharing solution for teams that need local-only data flow, cloud independence, and resilient collaboration during outages or restricted connectivity.

Why Teams Choose TreeTalk Node

A practical alternative to cloud-based messengers and file transfer tools for organizations that need secure internal communication, fast local transfers and reliable operation without internet dependency.

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Fast LAN and WiFi File Transfer

Transfer files directly between devices across your local network, avoiding cloud bottlenecks and making large-file delivery faster and simpler.

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Secure Offline Messaging Without Cloud

Your data stays within your own network. Optional end-to-end encryption helps protect sensitive files and internal team communication. HIPAA/GDPR ready.

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Works During Internet Outages

Keep communication and file exchange running across LAN, WiFi or VPN even when internet connectivity is disrupted or unavailable. NIS2 ready.

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Private Team Chat and Voice Messages

Use direct chat, group chat and voice messaging to coordinate quickly without routing communications through external platforms.

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Compatible with Windows 7 and Newer

Built for real mixed environments, including older office PCs and modern workstations, without requiring complicated deployment workflows.

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Portable and Easy to Start

No complicated server setup, no cloud account dependency, and no heavy onboarding process. Download, launch, discover peers and start working.

Simple, Transparent Pricing

Start free, evaluate fast, and scale to privacy-focused or enterprise scenarios with one-time purchase options.

Free

$0
/month

Recommended for home use and small teams / SOHO

  • Up to 5 active peers
  • File size up to 100 MB
  • Free trial 14 days for Premium features
  • Community support
Get Started

Premium

$9.95
/month*

Recommended for medium-size teams; VPN, Internet-connected PCs

  • Free trial 14 days
  • Drag-and-drop for multiple files
  • Deep Work mode
  • File size up to 55 GB (depends on your PC OS)
  • Standard email/ticket support
  • Up to 300 active peers
  • 1 PC license key
Start Free Trial
MOST POPULAR

Premium Offline

$49.95
ONE-TIME*

Advanced privacy (no Internet required) + 1 year support

  • Free trial 14 days
  • Drag-and-drop for multiple files
  • Deep Work mode
  • File size up to 55 GB (depends on your PC OS)
  • Advanced security (no Internet required)
  • Up to 300 active peers
  • Support / updates for 1 year
  • 1 PC license key
Start Free Trial

Enterprise

$99.95+
ONE-TIME*

Same as Premium Offline + extended individual support

  • Same as Premium Offline
  • Extended individual support
  •  Batch Offline Licensing
  •  Mass deployment (MSI/Silent Install)
  •  Custom license management
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TreeTalk Node: From Download to First File Transfer in 30 Seconds

Watch a quick walkthrough of peer discovery, chat, voice messaging and secure file transfer on a local network.

Get TreeTalk Node on Your Platform

Start with your preferred platform path and explore TreeTalk Node for secure offline file sharing, LAN messaging and local-first team collaboration.

MS Windows
For Windows 7 and later
macOS
For Mac computers
iOS
For iPhone and iPad
Android
For Android devices

Real-World Applications

Discover how organizations use TreeTalk Node for private communication, local-only file sharing, resilient operations and business continuity.

Medical laboratory network using secure local file transfer

Medical Laboratory Network

Italy · Multiple Collection Points

Challenge: 12 medical laboratories across Italy needed to share sensitive patient data and large diagnostic files between collection points without exposing data to public internet.

Solution: TreeTalk Node running over encrypted OpenVPN connections, creating a virtual private network where all locations appear as local peers.

Result: Server-free, peer-to-peer transfers of MRI scans and lab results at LAN speeds, with zero PHI data stored on external servers. Compliance with GDPR and medical privacy regulations like HIPAA is supported through local-only data flow.

Warehouse operations using offline file sharing during internet outage

Wholesale Distribution Center

Houston, Texas, USA · During Internet Blackout

Challenge: A major wholesale company in Houston faced complete internet outage during severe weather, halting all cloud-based inventory and order processing.

Solution: TreeTalk Node's offline-first architecture allowed warehouse office computers to continue sharing shipping manifests, inventory updates, invoices and packing lists via local WiFi and LAN. Built-in chats and voice messages also helped coordination continue.

Result: Business continuity maintained through pure peer-to-peer communication. No servers meant no single point of failure. The privacy-first design ensured sensitive customer data never left the premises.

Hotel internal communication with LAN messenger and local file sharing

Hotel Operations

Rome, Italy · Historic City Center

Challenge: A historic Rome hotel with thick stone walls and poor cellular reception needed to coordinate between reception, housekeeping, maintenance, and restaurant without relying on spotty internet or expensive radio systems.

Solution: TreeTalk Node installed on staff desktop computers, creating a mesh-like communication layer throughout the property using existing LAN and WiFi infrastructure. Built-in chats and voice messages improved convenience and response speed.

Result: Serverless, instant communication between departments for room status updates, maintenance requests, and guest service coordination. The no-external-server approach kept guest-related information strictly inside hotel walls.

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TreeTalk Node Use Case PDF Library

Industry-specific PDF guides

Download practical TreeTalk Node use cases for secure offline file sharing, local team messaging, LAN collaboration, VPN workflows, privacy-first operations and business continuity.

TreeTalk Node offline file sharing and local team messaging features overview

Ready to Transform Private Team Communication and File Transfer?

Experience how simple secure local file sharing can be with TreeTalk Node.
Evaluate the product, explore your preferred platform path, or request a business demo for your organization.

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Frequently Asked Questions

1 Do I need the Internet or a server to use TreeTalk Node?

No. TreeTalk Node works entirely inside your local network.

It does not require the Internet, cloud accounts, or a central server.

All file transfers and messages stay within your LAN, WiFi, WiFi Halow, or VPN — ensuring maximum privacy, speed, and reliability, even in offline or isolated networks.

2 Will TreeTalk Node work on older Windows systems like Windows 7?

Yes. TreeTalk Node supports Windows 7 SP1 and newer versions, including Windows 10 and Windows 11.

It is optimized for mixed environments where old and modern PCs operate together — making it useful for offices, warehouses, schools and other real-world networks with diverse hardware.

3 Is TreeTalk Node safe to use for sensitive files?

Absolutely.

TreeTalk Node keeps all transfers strictly inside your network and offers optional end-to-end encryption for additional protection.

No data is sent outside, no external servers are involved, and you stay fully in control of your files.

4 Do I need to install anything or configure networks?

No installation and no configuration required.

TreeTalk Node is a portable application:

  • download it,
  • run it on your devices,
  • and it automatically discovers peers in your LAN.

No drivers, no firewall tweaking, no heavy IT setup — it just works.

5 How fast is file transfer in TreeTalk Node?

Transfers use the full potential of your LAN, WiFi, or VPN speed, without bottlenecks from cloud services or unnecessary protocol overhead.

Files move directly between computers, often much faster than email, messengers, SMB shares or removable drives — especially for large files.

6 How to share large files on a local network (LAN) or Wi-Fi network

To transfer large files ranging from hundreds of megabytes to several gigabytes, such as CAD files, Full HD videos or 4K media, TreeTalk Node is a convenient local-first solution.

Simply drag and drop the file onto the recipient’s nickname, into a group chat, or use the “Send File” button. The file is sent directly to the recipient’s computer without using the internet.

This approach can be significantly faster and more secure than cloud storage services, especially in critical infrastructure and air-gapped networks.

7 How to transfer large files over the Internet

To transfer heavy files over the internet, it is recommended to use TreeTalk Node together with a VPN.

A VPN such as OpenVPN or SoftEther connects your devices and adds an extra layer of security through encryption. TreeTalk Node treats this VPN connection as a local network and discovers other devices as if they were on the same LAN.

After that, simply drag and drop the file onto the recipient’s nickname, into a group chat, or use the “Send File” button. The file will be delivered directly to the recipient’s computer(s), without cloud storage or online file hosting.