The top-rated alternative to Shift Browser is Station, which is free and open source. People also recommend Ferdium, Rambox, Mailbird and Freeter. You're spoiled for choice with Instant Messengers like Shift Browser: we list more than 25 alternatives for Mac, Windows, Linux, the web and self-hosting.
All your messaging apps in one Windows window: WhatsApp, Teams, Telegram, Gmail and your calendar. Each service keeps its own isolated session, so two accounts of the same service stay signed in side by side instead of signing each other out. Free and open source.
twitMate is a personalised Twitter management service that saves you time and grows your audience. We create, schedule and post daily handcrafted tweets, manage your followers and who you follow, and send traffic to your website, blog or landing pages.
Twittimer is the easiest free tool to help manage your social media. Schedule your tweets, facebook/linkedin posts and they are sent out automatically. Post on multiple accounts simultaneously.
