Official content
Online character generator
The Death Bulletin Board System
Scenarios
Search and Salvage on itch.io
Soundtrack
Death In Space official soundtrack
Death In Space official soundscape
Merch shop
US store: https://death-in-space.myspreadshop.com/
EU store: https://death-in-space.myspreadshop.net/
Unofficial
Virtual table-top
Death in Space Foundry VTT system (by @mcglintlock)
For Roll20 there is a character sheet available (by @morgdalaine). Search for DEATH IN SPACE among character sheets when setting up a new game.