How to Build Your Own Nusii
Replace Nusii with a custom build. Proposal Software for Freelancers & Agencies
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 23 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 23 features
Integration(5 features)
Direct API access for custom integrations and full control
Connect with chat and messaging platforms
Connect to customer relationship management platforms
Accept payments directly through proposals via payment platform integrations
Connect Nusii to thousands of apps through Zapier automation
Branding(3 features)
Add your own branding, custom domain, and email address to proposals so clients don't know you're using an online service
Use your own custom domain for proposals and emails
Remove Nusii branding from proposals
Signing(2 features)
Allow clients to accept proposals directly from the browser with legally binding digital signatures, eliminating scanners and email attachments
Allow multiple team members or clients to sign proposals
AI(1 features)
Ask AI about Nusii for assistance
Analytics(1 features)
Track proposal metrics including conversion rates, client interaction frequency, downloads, and acceptance data to optimize proposals
Automation(1 features)
Automatically send reminders to clients about unopened proposals
Content Management(1 features)
Save and insert your best content, pricing, and proposal sections at the click of a button with smart variables to automatically swap client details
Export(1 features)
Export proposals as PDF files for offline records and accounting purposes
Cost Calculator
Keep Paying Nusii
Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 23 features at very easy complexity.