As a creator, I kept running into the same issues with soundboard apps: they were bulky, slow to respond, or just awkward to use in live setups. So I built PadVibe—a desktop-focused audio pad designed to be fast, minimal, and easy to work with. Key Features Low-latency playback using SoLoud Flexible output routing for multi-device setups Drag-and-drop mapping for quick setup Global hotkeys that work across applications Open source and available on GitHub Tech Stack Flutter (Desktop): Used for the UI layer. Python (Sidecar): Handles the heavy lifting for audio processing. GetX: Manages the application state. GitHub Actions: Automates our builds and releases. Challenges Latency: Many audio libraries introduced noticeable delay. Using Sidecar helped keep playback responsive enough for live use. Desktop behavior: Handling things like global shortcuts, window layering, and transparency took extra work to feel native.…