
World Anvil
Kanka.io
LegendKeeper
Obsidian Portal
Tavern.app
Loreify
DMGrid
A TTRPG and World Planner geared towards game masters and dungeon masters

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
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| Website | chronica.ventures | diffyn.com |
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What each product offers, as listed by its team.


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Walkthroughs and reviews on video.
Pulse 24 RDA || Build & Wick Tutorial || FULL REVIEW || Chronica
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
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As answered by people managing Chronica and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
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World Anvil is a worldbuilding tool for Authors, Storytellers and worldbuilding lovers.
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Obsidian Portal takes the pain out of managing your tabletop RPG
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A session journal, a campaign wiki and a map that fill themselves in from the notes your table already takes. Free for your whole table, any game, any system.
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Loreify records D&D and TTRPG sessions in the browser or Discord, then turns them into searchable notes, NPCs, quests, loot, quotes, and lore.
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