Homestuck2.com/news: The news page for Homestuck: Beyond Canon. ALLEGEDLY this will be the main place of news announcements, but I suspect they'll realize updating a repo every time you want to post a post is a pain in the ass, which is how I think that site works right now, so stay tuned.
Last activity: 6:08 PM UTC, October 8, 2020, Homestuck: Beyond Canon team/project launch announcement.
@homestuck: The official account for Homestuck, used for Homestuck: Beyond Canon update notifications and everything Homestuck-related.
Last activity: 6:17 PM UTC, October 8, 2020, Homestuck: Beyond Canon update notifications.
@hamesatron: Musician and writer James Roach's work Twitter. He's heading the non-canon Homestuck: Beyond Canon sequel and the Homestuck Independent Creative Union.
Last Homestuck activity: 8:50 AM UTC, October 9, 2023, some talk about the latest HS:BC update.
@topatoco: As of 2023, the only official Homestuck merch store, though it mainly sells products for other franchises.
Last Homestuck activity: 9:12 PM UTC, September 15, 2023, kid shirts return announcement.
@whatpumpkin: Twitter for What Pumpkin Games, formerly simply What Pumpkin, what turned from a merch store into the developer for the Hiveswap games. This account is also used to reblog every Homestuck and merch announcement. Seems to be run by publisher FellowTraveller.
Last activity: 1:20 PM UTC December 13, 2022, Steam sales post.
@andrewhussie: Andrew Hussie's personal twitter, historically used to troll people and directly communicate with the fanbase. Deleted all tweets in 2022, before that the last activity was in late 2021.
Last activity: November 6, 2022, all tweets deleted.
@d-clussie.tumblr: Formerly @mspandrew, this is Andrew Hussie's personal tumblr, nigh identical in use to his Twitter. Deleted all posts in 2022, before that the last activity was in early 2021.
Last activity: November 27, 2022, all posts deleted.
@hiveswapgame: Account for Hiveswap updates, though it has sometimes mentioned other Homestuck games.
Last activity: 5:07 PM UTC, November 25, 2020, act 2 release and merch update.
@VizMedia: Twitter for Viz Media, mostly known for their manga publishing, who also produced the newest Homestuck books. Though their last Homestuck Tweet is a bit later, their last release of a Homestuck book was March 11, 2020, after which they've implied in emails they wouldn't continue.
Last activity: 7:51 PM UTC, April 13, 2020, marketing tweet.
@homestuckteam: Account made by the Homestuck^2 team to interact with the fanbase. Rarely and unproductively used.
Last activity: 9:51 PM UTC, November 30, 2020, misc. fandom interaction.
@SnakeSolutions: Homestuck^2 claimed to be a co-production of What Pumpkin and Snake Solutions Studio. The company closed down soon after the Homestuck^2 hiatus. This account posted Homestuck^2 updates.
Last Homestuck activity: 12:27 AM UTC, April 3, 2020, Homestuck^2 update.
@ForFansXFans: The official merch store for Homestuck and other franchises. Was acquired in 2021 by GoodSmile, who eventually closed it down in late 2022.
Last Homestuck activity: 5:00 PM UTC November 11, 2022, Homestuck merch clearance sale.