I feel compelled to mention FraidyCat[0], which is offered as a desktop app. It groups posts by feed/individual, with a mini activity bar next to each. It also

I feel compelled to mention FraidyCat[0], which is offered as a desktop app. It groups posts by feed/individual, with a mini activity bar next to each. It also groups feeds by the specified intensity of your follow (real-time to occasional). [0] https://fraidyc.at https://fraidyc.at