Slow ol' me has only just noticed the World in Common group has a blog up and running.
WiC was (slightly?) inspired by the late Frank Girard's "Discussion Bulletin", which acted as a way for a variety of non-leninist groups to exchange their views. WiC says it seeks to act as a conduit for a broad strand of non-state, non-market anarchist/socialist/communist individuals and groups to share and build on the politics they have in common and discuss their differences cordially.
From an SPGB perspective, there are a few ex-members who formed World in Common and some present members make contributions to their discussion forum and electronic journal "Common Voice".