Bubblegum Space Opera
    https://bubblegumspaceopera.blogspot.com/

    Titus Prime Shipyard
    https://sites.google.com/view/titus-prime-shipyard/home

    Atomic Rocket: Atomic Rocketships of the Space Patrol
    http://www.projectrho.com/rocket/index.html

    www.StarFrontiers.org
    http://www.starfrontiers.org/

    Mystery of Starium-X
    https://sites.google.com/site/stariumx/home

    Space Rats
    Play-by-post game
    http://spacerats.forumup.org/

    SF-Un Star Frontiers Underground
    http://games.groups.yahoo.com/group/SF-Un/

    The Black Hand Gang
    http://www.technomage.com.au/BlackHandGang/

    Online Character Sheets
    http://starfrontiers.us/character

    The Usborne Book of the Future
    http://www.pointlessmuseum.com/museum/usbornebookofthefutureindex.php

    www.StarFrontiers.com
    http://www.starfrontiers.com/

    Bring on the Bad Guys
    http://omicron.forumup.org/

    Serena Dawn Spaceport
    http://www.serenadawn.com/index.html

    StarFrontiersMan
    http://www.starfrontiersman.com/

    Star Frontiers Wiki
    http://starfrontiers.wikia.com

    Ragnarr's Ships & Bots
    http://ragnarr.webs.com/
    Nor’s Guide to Allied Space
    https://www.theswden.net/rons-rpg-sites/advanced-star-frontiers/

    G+ Star Frontiersman
    https://plus.google.com/u/0/b/109932553053177541285/

    The Star Frontiers Network
    http://starfrontiers.homelinux.net

    StarBase Hellhound
    http://members.tripod.com/~TheHound/index2.html

    Titus Prime Shipyard
    https://sites.google.com/view/titus-prime-shipyard/home

    Shadow Shack's SF site
    http://starfrontiers.20m.com/

    donjon SciFi RPG tools
    http://donjon.bin.sh/scifi/