AI game development
A game design document keeps a team aligned. AI assistants can draft structure, mechanics and balancing notes for you to edit.
How we picked: Assists with writing and organising design documentation. Listings are editorial and never paid.

AI Assistants
ChatGPT is a conversational assistant that helps draft text, explain concepts, answer questions, and support coding and research across web and mobile.
Platforms: Windows · macOS · Android · iOS · +1

AI Assistants
Claude is Anthropic’s AI assistant for writing, analysis, coding, and working with long documents across web, desktop, and mobile.
Platforms: Windows · macOS · Android · iOS · +1

AI Assistants
Google Gemini is an AI assistant for writing, planning, and brainstorming, integrated with Google Search and Workspace across web, Android, and iOS.
Platforms: Android · iOS · Web

Note Taking · Project Management
Notion is an AI-powered workspace that combines notes, docs, projects, and knowledge with databases, automation, and connected tools to help teams work faster.
Platforms: Windows · macOS · Android · iOS · +1
Popular options include ChatGPT, Claude, Google Gemini, Notion. The right choice depends on your project, budget and how much control you need.
Assists with writing and organising design documentation. Paid placements never affect this list.