Official website features SJ3e conversions and a collection of monsters, ships, magic, characters, and rules from various contributors. Also hosts Into the Void Magazine and the SJML Archives. Accepts submissions from the public.

Features house rules, a chat room, maps of the Flow, and an index of noteworthy characters.

Character profiles and summaries from a play-by-e-mail campaign.

Information on converting a Forgotten Realms campaign into a Spelljammer game set in Realmspace.

Alternate rules for wildspace travel.

Features a new crystal sphere and a Spelljammer chat room.

Notes on using the Spelljammer setting with D&D 3e rules.

A collection of orphaned and retired Spelljammer sites. Accepts submissions of similar sites.

Features a list of known crystal spheres and several ships with crews.

Supporting material for the "Shadow of the Spider Moon" d20 mini-game from Polyhedron #151.

New monsters, ships, and crystal spheres.

Online form that generates detailed NPC ship crews.

New ships and crystal spheres.

Races, NPCs, monsters, crystal spheres travel, spells, magic items, planar travel.

Dedicated to converting 2nd Edition spelljamming to 3E/d20 rules.

Collections of sites dedicated to this world.

Features new ships and a new crystal sphere, Saruspace.

Dedicated to the fusion of the characters from Julian May's 'Many Coloured Land' Books with the Spelljammer campaign setting.