Open-Deck is designed as an alternative frontend to TweetDeck, aiming to provide a comfortable user experience while minimizing risks of account suspension on Twitter. By utilizing the official Twitter frontend, it offers a safe browsing environment along with unique features developed specifically for this application. Users can expect a range of functionalities that enhance social networking capabilities, including customizable columns and a user-friendly interface.

The application supports various features such as multiple post columns, a proofreading tool, timeline and notification columns, and a universal column for flexible configurations. Users can add unlimited columns based on their device specifications and browser capabilities, with options for dual-column display and automatic updates. Open-Deck also prioritizes user privacy by ensuring that no data from the proofreading tool is recorded or stored, making it a secure choice for Twitter users seeking a tailored experience.