HewnTree works for software, and for books, games, events and research projects too. If it needs defining, it fits.
Click any use case below to see a sample tree →
Turn a feature idea into a complete requirements tree — user flows, edge cases, integrations.
Define game loop, progression, monetization, and platform-specific requirements.
Define app shell, packaging + auto-update, native integrations, and telemetry opt-in.
Structure permissions, content scripts, background workers, and UI surfaces.
Outline characters, plot arcs, world-building rules, and thematic consistency.
Define composition, color palette, style references, and symbolic elements.
Plan logistics, attendees, budget, contingencies, and timeline milestones.
Structure hypotheses, methodology, data sources, and analysis approach.
Start with whatever you're working on. The free plan includes 50,000 tokens, and no card.