Nicolium

A feature-rich Fediverse web client for Mastodon-compatible backends

Use with your favorite Fediverse platform.

Nicolium works with any backend implementing Mastodon API.

Feature-rich.

Nicolium includes a lot features to improve your experience, like WYSIWYG text editor, draft posts and language detection.

Screenshot of post editor with WYSIWYG formatting options

Get the most out of your Fediverse instance.

Nicolium implements features not present in standard Mastodon API, like emoji reactions, chats or interaction policies.

Screenshot of a post with emoji reactions picker open

Customizable.

Nicolium lets you choose between three themes and adjust accent color to your liking.

Screenshot of theme settings with theme and accent color options

Stay private.

Nicolium includes features which help you maintain online privacy. This includes URL cleaning, which helps you remove unwanted parts of URLs used to mark your online activity.

Screenshot of post composer prompting to clean URL from tracking parameters

Open source.

Nicolium is free and open source software. You can participate in development, contribute to the project or report bugs.

Screenshot of a part of pl-api source code