Unofficial native LINE client for Linux. GTK4 / Libadwaita UI with a Deno protocol sidecar (linejs).

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Implementation

• QR login (additional device)
• Chats, messages, stickers, friends
• Photos, video, voice messages, files
• Paste and drag-and-drop attachments
• In-app viewers (image, video, PDF, text)
• Downloads, tray, Thai / English, themes
• Discord RPC
• Voice call (WIP)
• Account switcher

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Requirements

Dependency	Notes
Rust	stable toolchain
GTK4 + Libadwaita	pacman -S gtk4 libadwaita
Deno	Build-time protocol compiler; source-tree runs use deno or DENO
ffmpeg / ffprobe	voice record, video thumbs
Optional	pdftoppm, pdftotext for PDF preview

Wayland and X11 both work. Tested mainly on Arch-based desktops.

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Install (Arch / AUR)

# Development snapshot
yay -S line-gtk-git

# Tagged release
yay -S line-gtk

Install (Flatpak bundle)

flatpak install --user ./line-gtk-0.1.2-x86_64.flatpak
flatpak run dev.linegtk.LineGtk

Build and run

git clone https://github.com/MidnightTale/Line-GTK.git
cd Line-GTK
cargo build --release
./target/release/line-gtk

Development checks

cargo fmt --all -- --check
cargo clippy --all-targets --all-features -- -D warnings
cargo test --all-targets --all-features
deno task --config protocol/deno.json check

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Warning

This is an unofficial client. Using it may violate LINE Terms of Service. Prefer a secondary account or device session. Expect breakage when LINE changes login or crypto.

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Acknowledgments

Protocol and E2EE talk to LINE through linejs by evex-dev. This app is a GTK frontend around that library; it is not affiliated with LINE Corporation or evex-dev.

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License

GPL-3.0-or-later