Harmonic is a beautifully designed, open-source and fully featured client for Hacker News. It has a Material You design, a wide feature set and many customization options. Highlights • Dark theme material design • Log in to comment, vote and submit posts • Customizable UI • Search • Smart link previews • Optional AdBlock • Tablet support • Switch between Top/Best/New categories • Fast comment loading • Share and bookmarks posts • Import/export bookmarks • AMOLED dark mode • Filter posts • Hide