Templates, systems, prompts and playbooks for builders, freelancers and indie hackers.
Freelance OS
Outreach, proposals, contracts, and invoices.
Product OS
PRDs, MVP checklists, and launch frameworks.
X Growth OS
Threads, hooks, and a content calendar.
AI OS
Cursor, Claude, and GPT prompts for builders.
Featured
Practical systems from a builder who ships — not generic templates.
Includes
Testimonials
Real feedback from freelancers, students, and indie hackers.
“The proposal templates alone paid for themselves on my first client. Clean, professional, and actually usable.”
“Finally a kit that feels like it was made by someone who ships. The X Growth OS changed how I post.”
“As a student building side projects, this saved me weeks of figuring out outreach and product docs.”
Contents
Four operating systems for the modern builder.
Outreach, proposals, contracts, and invoices.
PRDs, MVP checklists, and launch frameworks.
Threads, hooks, and a content calendar.
Cursor, Claude, and GPT prompts for builders.
Support
Kits is a collection of systems, templates, and playbooks for builders who want to ship faster — without starting from scratch.
No. Builder OS is a one-time purchase. Pay once, keep everything.
Students, freelancers, indie hackers, and early founders who want practical tools — not theory.
Yes. Future updates to Builder OS v1 are included at no extra cost.
About
I'm Sreecharan — a builder who freelances, ships products, and learns in public on X. Builder OS is everything I wish I had when I started: the outreach scripts, proposal templates, product frameworks, and AI prompts that actually helped me land clients and ship faster.
This isn't theory. It's the exact systems I use every week. Take what helps. Build something useful.
Get Builder OS v1 — freelance tools, product frameworks, X growth playbooks, and AI prompts in one kit.