Sites like jb2a.com

Fantasy battlemaps for tabletop roleplaying games and FoundryVTT by independent creator Racooze, sold as previews and downloads

Stephen Garrett's Wellington GM site offers tabletop RPG adventures, maps, and campaign tools for Game Masters, built on Foundry VTT

Adventure writing and tabletop RPG content by narrative designer Konstantinos "Kelfecil" Christakis, including the Starlight Arcana setting and maps

Legacies of the Dragon is a site offering a 3.5E SRD game module for Foundry VTT, with adventure companions and a Patreon-linked add-on

TheRipper93 is a website by a developer making Foundry VTT modules for tabletop games, with module pages, maps and help

A wiki and blog by Derek "DFreds" covering documentation, updates and news for his FoundryVTT modules for tabletop games

3 Death Saves: a studio publishing Foundry VTT modules for tabletop roleplaying, plus homebrew material for its world, The Last Gyre

Spooky Action Games sells digital and printed TTRPG battle maps and 5E adventures, created by Angela in Finland

Angela Maps: free static and animated battle maps for D&D and other tabletop RPGs, by Angela

Unfolding Machines is a blog by Jean Sensaar about PUM Companion, its solo tabletop roleplaying game apps and related tools

A day at: a creator's shop of battlemaps, modular rooms and asset packs for post-apocalyptic and cyberpunk tabletop games

Legends of Athelu: a blog and module catalogue of gritty fantasy adventures for tabletop RPG games

Runehammer Games, a tabletop RPG publisher and play room run by Brandish Gilhelm, with fantasy and sci-fi adventures, dice and miniatures

Milby's Maps, a blog by Milby posting hand-drawn fantasy and real-world building floor plans and maps with commentary

KibblesTasty Homebrew: a blog of expanded D&D 5e classes, subclasses, and variant rules by its creator Kibbles

Foundry Virtual Tabletop, a self-hosted software platform for running online tabletop roleplaying games, with knowledge base and API documentation

Michael Ghelfi Studios sells licensed tabletop RPG music and sound effects libraries, plus free game-master tools and a blog

Forgotten Adventures, a site selling tabletop RPG battlemaps, map assets and tokens, with a Clip Studio Paint mapmaking guide

Caeora's site offers... no, forbidden. Here is the sentence:

Fate SRD, a website of articles, tabletop RPG rules and game products for the Fate roleplaying system

Paizo, publisher of the Pathfinder and Starfinder tabletop roleplaying games, card game organized play, and related fantasy and science-fantasy products

A hand-drawn TTRPG resource shop and blog offering battle maps, tokens and articles by a small team of artists

A third-party publisher of tabletop roleplaying game supplements, including the Sinclair's Almanac and Codex rulebooks for Pathfinder and 5E

Blades in the Dark, a tabletop role-playing game of criminal crews in an industrial-fantasy city, with its free rules reference

The Alexandrian, a blog by game designer and author Justin Alexander on tabletop RPGs, books, comics and films

Tab Creations, a Kansas publisher of historical and hobby games, including roleplaying games, card games and board games, with a TabBlog

Moulinette is a search engine for tabletop gamemasters to find tiles, images, maps and sceneries for game prep

The demonweb, a personal homepage of retro internet culture, digital empire essays, and a real-time location finder tool

Limithron, a blog-style showcase of pirate-themed RPG maps and illustrations for Pirate Borg, by the artist behind it

Moonlight Maps is a shop selling fantasy, sci-fi and cyberpunk battle maps for tabletop roleplaying, started by Ollie in 2020

Caesar Ink is a design and consultancy company offering game design, illustration, layout and business advice for ideas

Independent tabletop RPG studio Fables Monster Studio making horror and sci-fi scenarios, VTT modules and playable artifacts

A web tool for creating and advancing Shadowrun 6 characters, with a searchable index of rules data and a development blog

A dungeon and cave map generator for virtual tabletop games, with automatic dynamic lighting tools, by its developer DunGen

Tom Cartos is a site selling and sharing TTRPG battlemaps, tokens, assets and adventures, with a shop for books and accessories

A digital dice-rolling app for tabletop roleplaying games, with 3D custom dice themes that work across virtual tabletop platforms

The Dungeon Coach is a store and blog of tabletop RPG PDFs, supplements and the DC20 system for Dungeons & Dragons players

Arc Dream Publishing, a small publisher of tabletop role-playing games including Delta Green, The Black Company and Godlike

Online shop selling Triangle Agency and Haunted Table tabletop role-playing games, supplements, and fan zines, with shipping and translations