Craffr (B2B lead monitoring tool) is retired.Get the code →or tryFree Reddit Lead Finder
Building B2B SaaS from 0→1. Detailed case studies, open-source tools, honest post-mortems.
Open-source, no signup required
Two product experiments from 0→1. Full transparency on decisions, outcomes, and learnings.
PROBLEM
Freelancers miss high-intent leads buried across Reddit, HN, and Indie Hackers — by the time they find them, someone else has already replied.
BUILT FOR
Solo freelancers and small agencies ($5K-50K projects)
KEY DECISIONS
AI lead scoring vs keyword matching, two-process architecture for rate limits, pricing model experimentation
OUTCOME
50 trial users, 0 paid conversions → retired product. Full post-mortem inside.
PROBLEM
Micro-sellers in emerging markets (home bakers, small vendors) need a storefront but can't afford Shopify and their customers live on WhatsApp.
BUILT FOR
Small merchants in India with <100 products, no tech skills
KEY DECISIONS
WhatsApp-first checkout vs in-app, Supabase vs Firebase, freemium vs paid-first
OUTCOME
Working product with cart, checkout, payments. Pivoted to property listing. Lessons on ICP validation inside.