Build Your SaaS
Faster Than Ever

A complete multi-tenant SaaS scaffolding with authentication, billing, team management, and more. Start building your next big idea today.

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Multi-Tenant Ready

Built-in tenant isolation and subdomain routing

Authentication

NextAuth.js with Google OAuth and email/password

Billing Integration

Stripe integration for subscriptions and payments

No credit card required
14-day free trial
Cancel anytime

Powering the world's best product teams.
From next-gen startups to established enterprises.

Everything you need to build a SaaS

A complete scaffolding with all the essential features to launch your SaaS quickly and securely.

Multi-Tenant Architecture
Built-in tenant isolation with subdomain routing and data separation for complete security.
Authentication & Authorization
NextAuth.js integration with Google OAuth, email/password, and role-based access control.
Stripe Billing Integration
Complete subscription management with Stripe, including webhooks and billing portals.
Team Management
Invite team members, manage roles, and control access to different features.
Analytics Dashboard
Built-in analytics and reporting to track usage, revenue, and user engagement.
Feature Flags
Enable/disable features per tenant with a flexible configuration system.
API Management
Generate and manage API keys for integrations with rate limiting and monitoring.
Security First
Row Level Security (RLS), data encryption, and security best practices built-in.
Email System
Transactional emails, notifications, and marketing campaigns with SMTP integration.

Trusted by product builders

Mainline is built on the habits that make the best product teams successful: staying focused, moving quickly, and always aiming for high-quality work.

Amy Chase
We're misusing Mainline as a CRM and it still works!
Amy Chase, PM
Mercury Finance
Jonas Kotara
I was able to replace 80% of my team with Mainline bots.
Jonas Kotara, Lead Engineer
Mercury Finance
Kevin Yam
Founder Mode is hard enough without having a really nice PM app.
Kevin Yam, Founder
Mercury Finance
Kundo Marta
I can use the tool as a substitute from my PM.
Kundo Marta, Founder
Mercury Finance
Amy Chase
We're misusing Mainline as a CRM and it still works!
Amy Chase, PM
Mercury Finance
Jonas Kotara
I was able to replace 80% of my team with Mainline bots.
Jonas Kotara, Lead Engineer
Mercury Finance
Kevin Yam
Founder Mode is hard enough without having a really nice PM app.
Kevin Yam, Founder
Mercury Finance
Kundo Marta
I can use the tool as a substitute from my PM.
Kundo Marta, Founder
Mercury Finance

Simple, transparent pricing

Choose the plan that fits your needs. Upgrade or downgrade at any time.

Starter
Perfect for small teams and MVPs
$0/month
Get Started Free

What's included:

  • Up to 3 team members
  • 1 organization
  • Basic analytics
  • Email support
  • Standard features
  • No custom domains
  • Limited API calls
  • Basic reporting
Most Popular
Professional
Best for growing businesses
$29/month
Start Free Trial

What's included:

  • Up to 25 team members
  • Unlimited organizations
  • Advanced analytics
  • Priority support
  • All standard features
  • Custom domains
  • API access
  • Advanced reporting
  • Webhook integrations
Enterprise
For large organizations
$99/month
Contact Sales

What's included:

  • Unlimited team members
  • Unlimited organizations
  • Custom analytics
  • 24/7 phone support
  • All professional features
  • White-label options
  • Custom integrations
  • Dedicated account manager
  • SLA guarantee

All plans include a 14-day free trial. No credit card required.

Frequently asked questions

Everything you need to know about our SaaS scaffolding. Can't find what you're looking for? Contact us.