Keep your team chats inside the room.
LocalTalk is a secure, serverless team messenger designed specifically for local networks. No internet, no external servers, and zero cloud configuration. Beautifully native and completely offline.
LAN Communication Simulation
Press the trigger button below to test automated local peer discovery and Noise E2EE socket transport.
Engineered for absolute communication integrity
Designed from the threat-model upward. Zero dependencies on corporate SaaS servers. Built strictly around offline security.
100% Serverless P2P Messenger
Chat directly device-to-device. No central databases, no hosted account servers, and no external clouds. Perfect for secure operations.
Noise Protocol Handshake & E2EE
Every connection undergoes a state-of-the-art secure key agreement, encrypting text and attachments with ChaCha20-Poly1305 by default.
SQLCipher Encrypted DB
Local message histories, draft logs, and session keys are secured at rest using AES-256 database encryption with hardware-backed keys.
Zero-Configuration Auto Discovery
mDNS and UDP multicast broadcast find team members automatically across Wi-Fi, Ethernet, and hotspots. No configuration needed.
Resilient Offline Delivery Queues
Messages are stored in a local encrypted outbound buffer when contacts are offline, sending automatically the moment they reconnect.
True LAN-Only Notifications
Alert team members with local OS-generated notifications triggered right from the LAN sockets, with no Firebase or Apple APNs telemetry.
Multi-platform native clients
LocalTalk compiles natively for all major operating systems. Every client handles local notifications, local keychains, and adaptive interfaces out of the box.
| Platform | Native Feature |
|---|---|
| Android App | Background socket listener & secure lock |
| Windows Native | System tray autostart and notification center |
| Linux Package | Debian & AppImage packages for R&D labs |
| macOS Native | Apple Silicon optimized with menu bar integration |
| iOS App | TouchID/FaceID app lock and sandboxed storage |
Deployable across secure industries
From air-gapped laboratory subnets to offline logistics centers, LocalTalk keeps coordination active.
Coordinate patient updates, laboratory statuses, and clinical tasks securely within the building, fully preserving HIPPA-grade data perimeter control.
Keep managers and floor operators in touch in thick-walled structures or cellular dead zones, routing through local Wi-Fi nodes.
Share blueprints, experimental data, and highly sensitive proprietary IP inside air-gapped networks with zero leakage risks.
Maintain robust team messaging on cargo vessels, construction sites, or field stations using local Wi-Fi hotspots and mesh network devices.