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Lightweight teleprompter for Windows, built with Rust and Tauri.

Please consider starring this repo if it helps you! ⭐

Flow is available on

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• Five playback styles: highlight, scroll, line, arrow, and voice tracking.
• Local-first script storage and settings persistence.
• Dedicated sound input tuning with device selection, live monitoring, noise gate, and gain controls.
• App-wide voice control with localized wake greetings and resilient recognition handling.
• Vosk speech models with bundled English and downloadable Turkish, Arabic, German, French, Spanish, Portuguese, and Finnish support.
• Cue cards with countdown pauses and auto-resume.
• Built-in script editor with formatting, word count, and reading-time helpers.
• Remote messaging flow with inbox review, quick-connect QR links, and sender-side reply status updates.
• Realtime text editing allowing multiple guests to join and edit the script at the same time via a private browser room.
• Optional Groq-powered generation and rewriting.
• Always-on-top Windows overlay with click-through and capture-protection options.
• Official Tauri updater with in-app checks, install controls, and signed Windows release-feed support.

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1. Message Injection

Remote.injection.mp4

2. Realtime Editing

Realtime.editing.mp4

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Main Teleprompter Look

Text Editor & Built-in AI Assistant

Settings & Compact View

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• Script Library & Manager: Added a built-in script manager to save, organize, search, and switch between multiple scripts instantly, along with quick file import capabilities.
  
  
• Section Navigator & Completion Tracker: Added section tags and visual milestone indicators to break scripts into structured parts, jump between sections with one click, and track reading progress in real time.
  
  
• Modularized Codebase: Restructured core functionality into an optimized modular architecture for faster load times, rock-solid stability, and seamless future development.
  
  
• Splash Screen: Added a graceful startup screen with a smooth crossfade to eliminate window flickering during launch.
  
  
• Multi-Monitor & DPI Fixes: Enhanced window positioning, coordinate precision, and scaling across mixed-DPI and multi-monitor setups.
  
  

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• Tauri + Rust core architecture rewrite
• Invisible overlay for screensharing, presentations, and video calls
• Microsoft Store certification and release
• Cloudflare migration
• v2.0.0: Frontend JavaScript module refactor and performance improvements
• v2.0.0: Free/Pro tier split logic implementation
• v2.1.0: Improvements to the web landing page and remote relay client
• v2.2.0+: To be decided

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1. Download the latest release from the Microsoft Store or GitHub Releases;
2. Run the .exe or .msi installer;
3. Launch Flow and start prompting.

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Development

Requirements:

• Node.js
• Rust
• Tauri prerequisites for Windows

Run locally:

npm install
npm run tauri dev

Build:

npm run tauri build

Build output:

src-tauri/target/release
src-tauri/target/release/bundle

Signed updater release

To produce a Windows release that is ready for GitHub Releases and Flow's in-app updater, load the updater signing key into the environment before building:

$env:TAURI_SIGNING_PRIVATE_KEY = Get-Content -Raw "$HOME\.tauri\flow-updater.key"
$env:TAURI_SIGNING_PRIVATE_KEY_PASSWORD = "<your-updater-key-password>"
npm run tauri build

Publish these files from src-tauri/target/release/bundle to the GitHub release:

• msi/flow_2.0.0_x64_en-US.msi
• latest.json

The .sig file is generated alongside the MSI for reference, while latest.json is the updater feed consumed by the app.

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Linux (community port)

Flow also builds natively on Linux, as an AppImage, .deb, .rpm, or an Arch PKGBUILD. This is a community-maintained port; Windows remains the primary, officially supported platform. See BUILDING-LINUX.md for prerequisites and build instructions — there is no official pre-built binary release yet, so building from source (or grabbing an artifact from the Linux CI workflow) is currently required.

Honest limitations compared to Windows:

Feature	Linux
Screen-capture protection	Not available — the underlying API is Windows-only, with no X11/Wayland equivalent.
Wayland	Runs via XWayland by default (always-on-top, absolute positioning, and global hotkeys need it); native Wayland is opt-in but breaks those three.
Remote Control	Works, but needs a one-time manual firewall exception for TCP port 43127 (most Linux desktops default-deny inbound connections, unlike Windows' first-launch prompt).
In-app auto-update	Works for the AppImage; .deb/.rpm/PKGBUILD installs update through your distro's package manager instead.

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Privacy

• Most data is stored locally on the device.
• Voice tracking runs locally with Vosk models.
• Groq requests are only sent when AI features are used.
• See privacy-policy.md for the current privacy policy.

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Acknowledgments

Special thanks to @emanschigames and @nour690 for supporting Flow Teleprompter when it needed it most. Even though it may have been a small gesture, it meant a lot and is sincerely appreciated.

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License

This project is licensed under GPL-3.0-or-later. See LICENSE.

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