The latest articles on DEV Community by Ninja Nithin (@nithin3_96). https://dev.to/nithin3_96 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3930409%2F53260c91-070f-408d-ac0a-716f64706a97.jpeg https://dev.to/nithin3_96 en Ninja Nithin Thu, 14 May 2026 04:01:53 +0000 https://dev.to/nithin3_96/linux-osd-daemon-gtk4-overlay-ui-f68 https://dev.to/nithin3_96/linux-osd-daemon-gtk4-overlay-ui-f68 <h1> Ozhium-Ollium </h1> <p>A lightweight Linux daemon-based On-Screen Display (OSD) system written in C.</p> <p>It shows overlay popups for system events like volume, brightness, battery, and network changes.</p> <h2> Architecture </h2> <ul> <li>Daemon: listens to system events and sends updates</li> <li>GTK4 UI: renders on-screen overlay popups</li> </ul> <h2> Features </h2> <ul> <li>System event based OSD notifications</li> <li>GTK4 overlay rendering</li> <li>CSS-based styling</li> <li>Lightweight design</li> <li>Simple configuration file</li> </ul> <h2> Hooks support </h2> <p>Users can disable native OSD behavior and run custom commands on system events.</p> <h2> How it evolved </h2> <p>It started as a simple experiment for volume and brightness indicators and slowly became a full event-based OSD system with a separate daemon and UI.</p> <p>GitHub: <a href="https://github.com/Nithin-3/ozhium-ollium" rel="noopener noreferrer">https://github.com/Nithin-3/ozhium-ollium</a></p> <h2> Q: Do you think this kind of project is worth continuing? </h2> linux showdev sideprojects opensource