Cross-platform 28

Online teleprompter with voice-activated scrolling and collaboration features.
Speakflow is an online teleprompter that allows users to write and save scripts, collaborate with their team, and includes voice-activated scrolling. It works across various platforms including Windows, Mac, iOS, and Android, with no downloads required. It aims to reduce production time, help deliver better presentations, and enable video recording directly in the browser. It is also compatible with physical teleprompter hardware.

Cross-platform email and calendar app with unified inbox and AI features.
BlueMail is a free, beautifully designed, cross-platform email and calendar app that manages an unlimited number of mail accounts from various providers. It supports IMAP, Exchange, and POP3 protocols and is available on Windows, Mac, Linux, Android, and iOS. It offers a unified inbox, task board, email clustering, shared mail, integrated calendar, security center, instant push notifications, and a complimentary chat application called BlueChat. BlueMail also features GemAI, which uses AI to streamline email summarizing and writing.

Open-source UI framework for .NET web apps
OpenSilver is a free, open-source UI framework for building modern .NET web applications in C# and XAML. It enables building applications that run on Windows, Android, Mac, Google Chrome, Firefox, and Safari. OpenSilver offers compatibility with Microsoft Silverlight and extensive WPF support, allowing developers to code in C#, VB, or F# and leverage enterprise-grade controls and libraries.

A multi-platform note-taking app with AI handwriting features.
Goodnotes is a note-taking app designed for iOS, Mac, Windows, Android, and Web, loved by millions worldwide. It offers a handwriting experience with AI features like spellcheck for handwritten typos. It allows users to create and manage digital notebooks, annotate PDFs, and access their notes across multiple devices.