Voici un résumé en anglais des principales fonctionnalités de Plume, tel que vous l'avez demandé :

Plume is an open-source, federated blogging application designed to foster an interconnected yet independent network of writing spaces.

The main features of this tool include:

• Federated "Write Once, Publish Everywhere" Model: Plume consists of a network of independent "instances" where content written on one server is accessible to users across the entire network.

• Social and Interactive Blogging: It offers features designed to make exchanges between writers and readers bi-directional from the outset.

• Collaborative Writing: The platform facilitates multi-author blogs, allowing several people to work together on the same article to achieve the best final result.

• Fediverse and Cross-Platform Communication: Plume is part of the "Fediverse," allowing it to communicate with other decentralized applications like Mastodon, Pleroma, and WriteFreely. This means users on those platforms can like, share, and comment on Plume articles.

• Open Standards and Libre Software: Built on open standards like ActivityPub and Microformats, Plume is free software that encourages community contributions from developers, designers, and translators.

• Decentralized Resilience: Because the network is volunteer-backed and decentralized, it is more resilient to economic issues and harder to censor than traditional centralized platforms.

• Multilingual Interface: The application supports a vast array of languages, including Arabic, Chinese, English, French, and many others.

Project Status Note: It is important to note that Plume is currently not actively maintained, and developers recommend considering alternatives like WriteFreely or WordPress with an ActivityPub plugin for those seeking active feature updates.