RPGScenery is a bit of an oddity: a map editor without the ability to edit maps. But it certainly looks gorgeous - and has huge DLC potential. :)
https://store.steampowered.com/app/1689510/RPGScenery/
Obsidian (not to be confused with Obsidian Portal) is a freemium knowledge base utility that some people have adopted for campaign management:
https://obsidian.md/
Joshua Plunkett, previously a well-known Realm Works advocate, has even set up a Patreon for this purpose...
The Kickstarter for the Never-Ending Dungeon software has just launched. The tool reminds me of Dungeon Alchemist but supports also physical mapping:
https://www.kickstarter.com/projects/never-ending-dungeon/never-ending-dungeon/
Fantasia Archive is a newcomer on the campaign management front:
https://fantasiaarchive.com/
The user interface reminds me of Notion. There is not much info available on the web site, visitors are probably expected to dive into their Discord. The related Patreon site tells a bit more:
Mythic Table is a free, open source VTT solution, currently in Kickstarter. The business model seems to be based on content market.
https://www.kickstarter.com/projects/mythictable/mythic-table
Game Master Engine a mapping tool with some impressive 3D visuals:
https://www.gamemasterengine.com/
GME is coming to Steam in March:
https://store.steampowered.com/app/1451680/Game_Master_Engine/
An early access version is available at Itch.io:
https://danthedm.itch.io/game-master-engine-pro...
Some sites do not really classify as an online resource, but could still be of interest...
Goblin Bet has pixel graphics versions on D&D monsters battling each other, and you can bet on the winner:
http://goblin.bet/
DM Bible is a OneNote-based gamemaster notebook by Icarus Games:
https://www.icarus-games.co.uk/onenote-dm-bible
You can either browse the notebook online or download a copy of your own.
Previously available as an Android app only, Squire is now kickstarting a Web app:
https://www.kickstarter.com/projects/rucka-shane/squire-web-app
This is a character manager for D&D 5e game mechanics only. With DnDBeyond, Orcpub, Dungeon Master's Vault, various VTT solutions, and all kinds of...
Realm Engine is yet another VTT platform and currently kickstarting:
https://www.kickstarter.com/projects/realmengine/realm-engine
With the overabundance of competing VTT solutions already on the market, it's hard to see this being successful - especially as it just a one developer show...
Let's list tips on how to find new players:
How to Find Gamers is a 2014 resource by Johnn Four. Some of the tips are no longer valid, but there are still ideas to mine in this free booklet:
https://campaign-community.com/index.php?resources/how-to-find-players.185/
Crawlr is a Web service for...
BattleMapp is an impressive-looking Patreon-supported freemium tool for creating 3D virtual battle maps:
https://pixelbrushio.itch.io/battlemapp
https://www.youtube.com/channel/UCu9Kbt8SDxI8fFpu9aqBtaA
The service is still in beta, so some planned features are missing.
The Unity-based Wildshape mapping software is currently in alpha, and downloadable for a Pay What You Want price for Windows, Linux and Mac:
https://dldev.itch.io/wildshape
See their Patreon for more information:
https://www.patreon.com/Wildshape
Black Cat Familiar is a free, Windows-based helper utility for running D&D 5e games:
https://blackcatfamiliar.org/
The software is actively developed and just received an update today:
https://blackcatfamiliar.org/download
I'm not a big fan of opera, but there is something captivating in this Russian opera The Last Trial, based on DragonLance:
https://www.youtube.com/watch?v=xfeVNgEK7MM
(English subtitles available)
A fan page give some background information about this surprising project...
Dnd Map Sketcher is a a new online mapping tool for drawing isometric dungeon maps in the browser. Players can connect to the same session, seeing what the GM sees.
https://danifm.itch.io/dnd-map-sketcher
The tool is still heavily in development, but has already managed to bring something new...
Critical Zero, yet another roleplaying app, is currently kickstarting:
https://www.kickstarter.com/projects/criticalzero/crtitical-zero
This is a strange one - there is a long list of features but not much concrete facts, just some zoomed-in UI details in the campaign video that looks like it...
Quite like Dungeon Scrawl, Dungeon Map Doodler allows to draw dungeon maps directly in the browser. Also available are some art assets for furnishing the dungeon.
https://dungeonmapdoodler.com/