How to Build Your Own lemlist
Replace lemlist with a custom build. Prospecting tool to automate multichannel outreach & get replies
Build Difficulty: 4/5
A few focused days to build a solid replacement
Estimated Timeline
Based on 89 features at Few Days difficulty, expect about 3-5 days 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 89 features
Deliverability(15 features)
Advanced warm-up with smart clusters tailored to industry and ICP
Automates warm-up emails with smart sending logic to protect sender reputation
Use custom domain for tracking links and opens
Get alerted about deliverability issues and problems
Centralized hub for managing email deliverability and sender reputation
+10 more in this category
Automation(10 features)
Automatically stop campaigns based on conditions or performance
Automatically launch campaigns based on triggers or conditions
Schedule campaigns to send at optimal times
Set conditional logic for next steps in sequences based on lead behavior
Automate email follow-ups and sequences at scale
+5 more in this category
Lead Generation(6 features)
Find and verify valid email addresses with one click from top data providers
Access to 450M+ lead database with smart filters to find companies and people matching ICP
Identify and verify reliable phone numbers for leads
Get verified phone numbers at 20 credits per number
Export LinkedIn leads without limits
+1 more in this category
AI(5 features)
Dynamic variables that automatically adapt content to each lead using AI insights
Uses AI to pull lead details from LinkedIn, websites, and more to automatically adapt message text, images, and landing pages
AI agent that turns call recordings into CRM updates and organized lead information
Get buying intent signals to identify accounts and leads showing buying intent in real time
Automatically score leads based on engagement and fit
Integration(5 features)
Advanced API support and custom integration enablement
Access to lemlist API with comprehensive documentation
Use lemlist functionality directly from Gmail interface
Use lemlist functionality directly from LinkedIn interface
Use lemlist functionality directly from your CRM system
Intent Data(5 features)
Get signals showing companies and leads with buying intent
Identify companies that are hiring (100 credits per job posting)
See when a company visits your website (20 credits per visit)
Track keyword engagement on LinkedIn (400 credits per keyword per month)
Track LinkedIn profile engagement (400 credits per profile per month)
LinkedIn(5 features)
Automatically generate and send AI-powered voice messages via LinkedIn
Automatically send LinkedIn connection requests as part of outreach sequences
Automatically visit prospect LinkedIn profiles as part of sequences
Send LinkedIn direct messages as part of automated sequences
Send voice messages via LinkedIn as part of sequences
Team Management(5 features)
Assign credits to team members with custom allocations
Create custom user roles with granular permission controls
Add guest users with limited access to campaigns
Set custom roles and permissions for team members
Invite team members to collaborate on campaigns
Cost Calculator
Keep Paying lemlist
Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 89 features at easy complexity.