In-browser flashing needs a current desktop version of Chrome or Edge with Web Serial. App downloads work in any browser.

Desktop

Ratspeak for macOS, Windows, and Linux.

Download for macOS Apple Silicon

Windows.msi Linux.AppImage

Also: Intel Mac .dmg All downloads

Messages, photos, and files, end-to-end encrypted.
Connects over the internet, your local network, Bluetooth, or a LoRa radio.
Free and open source, with no sign-up.

Release notes

T-Deck Plus

LilyGo’s pocket radio, running Ratspeak Handheld.

Firmware Messenger and radio RecommendedPick the mode each time the T-Deck starts. Messenger onlySend and read messages on the T-Deck itself. Radio for your phone or computerThe Ratspeak app sends over its LoRa radio, by USB or Bluetooth.

Download.bin Source code

Messages over LoRa radio or Wi-Fi, with no phone needed.
Touchscreen, trackball, and keyboard.
Can also be the LoRa radio for Ratspeak on your phone or computer.

Release notes

Cardputer Adv

M5Stack’s Cardputer Adv with the Cap LoRa-1262, running Ratspeak Handheld.

Firmware Messenger and radio RecommendedPick the mode each time the Cardputer starts. Messenger onlySend and read messages on the Cardputer itself. Radio for your phone or computerThe Ratspeak app sends over its LoRa radio, by USB or Bluetooth.

Download.bin Source code

LoRa needs the Cap LoRa-1262 module; Wi-Fi works without it.
Keyboard navigation in your pocket.
Can also be the LoRa radio for Ratspeak on your phone or computer.

Release notes

T-Pager

LilyGo’s LoRa pager, running Ratspeak Handheld.

Firmware Messenger and radio RecommendedPick the mode each time the T-Pager starts. Messenger onlySend and read messages on the T-Pager itself. Radio for your phone or computerThe Ratspeak app sends over its LoRa radio, by USB or Bluetooth.

Download.bin Source code

Messages over LoRa radio or Wi-Fi, with no phone needed.
Scroll wheel and keyboard.
Can also be the LoRa radio for Ratspeak on your phone or computer.

Release notes

All platforms

Have a different LoRa board? Flash rsNode, official RNode firmware, or your own file. Open the advanced flasher

1 Connect Not connected

2 Firmware Not started

3 Install Not started

Step 1

Connect your device

No device selected

Step 2

Choose firmware

Advanced options Default install

Full Erase Erases everything on the device first

Older firmware for recovery

Older firmware is separate from Ratspeak Handheld. Use only for deliberate recovery, with a backup and its original installation instructions. It is never selected automatically.

Step 3

Install

Select a USB device to continue.

Preparing… 0%

Show log

Get Ratspeak.

Desktop

Mobile

T-Deck Plus

Cardputer Adv

T-Pager

ThinkNode M9

All platforms

Erase and install