01 | Zen Center
The distraction-free AI command center.
The Zen Center is your AI-powered workspace core. A focused, friction-free interface where you talk to your AI co-pilot, build execution plans, and run work sessions without the noise of general-purpose chat tools. Every session auto-saves, your history persists across refreshes and devices, and you can navigate between past conversations from the sidebar. No lost context. No blank-slate restarts.
Key capabilities
- Auto-saving session history, survives refresh and re-login
- Full AI co-pilot with execution-focused prompting
- Seamless navigation between sessions from sidebar or mobile menu
- Distraction-free layout optimized for deep work and focus mode
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Notion Alternative02 | Kanban Execution Board
Your task board, synced to your AI sessions.
The Nullstep Kanban Board is not a standalone to-do list. It is a live reflection of your AI execution plans. When your AI co-pilot generates an execution path, the tasks flow directly onto your board with priority levels and time horizons already set. Move cards through To Do, In Progress, and Done. Changes sync back to your session so your board and your AI context are always aligned.
Key capabilities
- Bidirectional sync with AI sessions, no manual copy-pasting
- Priority and time-horizon labels on every task
- Drag-and-drop To Do / In Progress / Done columns
- Task details panel with full execution context
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Linear Alternative03 | Execution Path
Your AI turns goals into ordered action plans instantly.
The Execution Path is a live action plan generated by Nullstep's AI. Describe an objective: launch a feature, close a deal, ship a landing page. The AI produces a prioritized, ordered sequence of tasks with time estimates. The path updates as you complete work, and every task in it is automatically mirrored on your Kanban board. You always know your next move.
Key capabilities
- AI-generated task sequences from plain-language goals
- Priority levels: urgent, high, medium, low
- Time horizon labels: Today, Next, Later
- Live sync with Kanban board, tasks appear instantly
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Todoist Alternative04 | Session History
Every conversation saved. Every context preserved.
Nullstep stores your full chat history in a persistent session database. Unlike browser-only chat tools that disappear on refresh, every Nullstep session is saved server-side and restored when you return. You can rename sessions, browse your history from the sidebar, and pick up any conversation exactly where you left it. Sessions are private, encrypted, and tied only to your account.
Key capabilities
- Server-side persistence, survives refresh, device switch, re-login
- Rename and organize sessions
- Full session list in sidebar and mobile menu
- Archive old sessions to keep your workspace clean
05 | AI Personas
Customize your AI co-pilot for how you work.
AI Personas let you define custom AI co-pilots tuned to your style, domain, and working habits. Create a persona for deep technical work, a different one for marketing sprints, and another for investor prep. Each has its own prompt, tone, and focus area. Switch personas per session without losing your history. Pro and Sovereign users can build unlimited personas.
Key capabilities
- Custom prompt, tone, and domain per persona
- Emoji avatar and description for easy identification
- Switch personas per session
- Unlimited personas on Pro and Sovereign plans
06 | Mobile-Optimized
Full workspace power on any device.
Nullstep is fully optimized for mobile. The mobile interface includes the complete session history list, Archive access, full AI chat, the Kanban board, and all navigation accessible from the mobile hamburger menu. Start a session on desktop, continue it from your phone. Context travels with you.
Key capabilities
- Full session history in mobile navigation menu
- Archive accessible from mobile header
- Responsive AI chat and Kanban board
- Touch-optimized interactions throughout