Cross Clipboard

A multi device clipboard sharing over P2P network.

Features

• Share text/image clipboard data (Done) - user can share clipboard data with other devices.
• P2P connection (Done) - the device will connect to others using the P2P connection.
• Multicast DNS (Done) - discover a device in the same network with multicast DNS.
• E2E encryption (Done) - encrypt the clipboard data using OpenPGP.
• Terminal GUI (Done) - terminal user interface for the end user.
• Cross-platform desktop (Done) - support Windows, Linux, and Darwin (macOS).
• Cross-platform mobile (Ongoing) - support iOS and Android.

Libraries

• libp2p
• clipboard
• tview
• protobuf

Installation

Homebrew tap install

brew tap ntsd/cross-clipboard
brew install cross-clipboard

Binary File (MacOS, Windows, Linux)

Download from the release page https://github.com/ntsd/cross-clipboard/releases.

Go install

for Go user you can just install using go package

Required: Go 1.23 or above

go install github.com/ntsd/cross-clipboard@latest

Headless Linux

for headless linux you might need to install xvfb.

# install libx11-dev abd Xvfb
sudo apt install -y libx11-dev xvfb

# initialize a virtual frame buffer (can put in .profile)
Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
export DISPLAY=:99.0

Run

UI mode

cross-clipboard

Terminal mode

cross-clipboard -t

Development

git clone https://github.com/ntsd/cross-clipboard
go run main.go

Build

Build Desktop

go build .

Build Mobile (Ongoing)

• Install NDK >=21.3.6528147

• Install Go mobile

go install golang.org/x/mobile/cmd/gomobile@latest

gomobile build mobile/...

Protobuf gen

Generate a protobuf go file using protoc

protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative data.proto