Hello world!
Introducing Semaphore an accessible, simple and fast web client for Mastodon.
Semaphore continues the work of @nolan 's @pinafore, and will prioritise accessibility, continuing Pinafore's track record of integrating improvements from disabled contributors.
Follow this account if you'd like to keep up-to-date with releases and news.
I tried it on Firefox at Windows, and says: error "invalid_client"