Zeros By Kai Logo
ZEROS BY KAI
FROM 0 TO 1 IN $0

SECRET STASH

Turn your Zeros into Ones.

Building with money is easy. 0 to 1 should not be expensive.This is the ultimate stack to launch your MVP without spending a dime.

HostingFree (if bill < $5)
Fly.io logo

Fly.io

β€œClean. Minimal. Fast.”

WHAT YOU GET

  • +3 shared-cpu VMs (256MB RAM each)
  • +160GB bandwidth/month
  • +Deploy from CLI in 30 seconds

PERFECT FOR

APIs, backends, cron jobs

VISIT
HostingFree
Vercel logo

Vercel

β€œGit push = deploy. That's it.”

WHAT YOU GET

  • +Unlimited deployments
  • +100GB bandwidth/month
  • +Auto HTTPS, CDN, custom domains

PERFECT FOR

Next.js, React, static sites

VISIT
HostingFree ($5 credit/month)
Railway logo

Railway

β€œ$5 credit every month. No strings.”

WHAT YOU GET

  • +$5 free credit/month
  • +Deploy Docker, Node, Python
  • +Built-in Redis, Postgres, MySQL

PERFECT FOR

Full-stack apps with DB

VISIT
Database & AuthFree (2 projects)
Supabase logo

Supabase

β€œTwo free projects. No credit card.”

WHAT YOU GET

  • +500MB database per project
  • +50,000 monthly active users
  • +1GB file storage
  • + 3 more...

PERFECT FOR

Full-stack apps needing DB + Auth

VISIT
EmailFree
Resend logo

Resend

β€œThe email service that doesn't suck.”

WHAT YOU GET

  • +3,000 emails/month
  • +Custom domain (verify via DNS)
  • +React email templates
  • + 1 more...

PERFECT FOR

Transactional emails

VISIT
EmailFree
Brevo logo

Brevo

β€œ300 emails per DAY. Not month.”

WHAT YOU GET

  • +300 emails/day (9,000/month)
  • +Marketing + transactional
  • +SMS (20 free credits)
  • + 1 more...

PERFECT FOR

Newsletters, marketing

VISIT
PaymentsFree (5% per transaction)
Lemon Squeezy logo

Lemon Squeezy

β€œPayments for creators. Marketing built-in.”

WHAT YOU GET

  • +No monthly fees (5% + payment fees)
  • +Built-in affiliate system
  • +Email marketing tools
  • + 2 more...

PERFECT FOR

Digital products, courses, creators, beginners

VISIT
PaymentsFree monthly (5% + payment fees)
Paddle logo

Paddle

β€œSaaS billing. Enterprise-grade.”

WHAT YOU GET

  • +Merchant of record (they handle tax)
  • +Global payment methods
  • +Subscription management
  • + 2 more...

PERFECT FOR

Scaling SaaS, B2B products, established businesses

VISIT
SEO & AnalyticsFree
Google Search Console logo

Google Search Console

β€œKnow what Google sees. Completely free.”

WHAT YOU GET

  • +Search performance data
  • +Indexing status
  • +Mobile usability reports
  • + 2 more...

PERFECT FOR

SEO, organic traffic insights

VISIT
SEO & AnalyticsFree (1M events/month)
PostHog logo

PostHog

β€œProduct analytics. 1M events/month free.”

WHAT YOU GET

  • +Event tracking
  • +Session replay
  • +Feature flags
  • + 2 more...

PERFECT FOR

Understanding user behavior, product analytics

VISIT
CDN & StorageFree
Cloudflare logo

Cloudflare

β€œFree CDN, SSL, DDoS protection. Everything.”

WHAT YOU GET

  • +Unlimited bandwidth CDN
  • +Free SSL certificates
  • +DDoS protection
  • + 2 more...

PERFECT FOR

Making your site fast globally, free SSL

VISIT
CDN & StorageFree (10GB storage)
Cloudflare R2 logo

Cloudflare R2

β€œStore files. No egress fees. Ever.”

WHAT YOU GET

  • +10GB storage free
  • +No egress fees (unlike AWS S3)
  • +S3-compatible API
  • + 1 more...

PERFECT FOR

User uploads, images, files, videos

VISIT
AI ModelsFree tier, then $0.075/1M tokens
Google Gemini logo

Google Gemini

β€œFree AI API with generous limits.”

WHAT YOU GET

  • +15 requests/minute
  • +1,500 requests/day
  • +Gemini Flash + Pro models
  • + 2 more...

PERFECT FOR

Text analysis, chatbots, content generation

VISIT
AI ModelsFree (just your electricity)
Ollama logo

Ollama

β€œSelf-hosted AI. Completely free.”

WHAT YOU GET

  • +Run LLMs locally (Llama, Mistral, etc.)
  • +No API costs
  • +Full privacy (data never leaves)
  • + 1 more...

PERFECT FOR

Privacy-focused apps, unlimited usage

VISIT
BrainstormingFree
NotebookLM logo

NotebookLM

β€œAI research assistant. Completely free.”

WHAT YOU GET

  • +Upload docs, PDFs, URLs
  • +AI summarization
  • +Generate podcasts from content
  • + 1 more...

PERFECT FOR

Research, content creation

VISIT
Vibe CodingFree tier (BYOK recommended)
Windsurf logo

Windsurf

β€œThe first agentic IDE.”

WHAT YOU GET

  • +Deep Context awareness
  • +AI Flows
  • +Multi-file edits
  • + 1 more...

PERFECT FOR

ChatGPT Pro or Claude Pro users

VISIT
Vibe Coding$10/month (Free for students/OSS)
GitHub Copilot logo

GitHub Copilot

β€œThe world's most widely adopted AI developer tool.”

WHAT YOU GET

  • +AI code suggestions
  • +Multi-line completions
  • +Works in VS Code, JetBrains
  • + 1 more...

PERFECT FOR

Professional developers, teams

VISIT
Vibe CodingFree
Google Antigravity logo

Google Antigravity

β€œExperience liftoff with the next-generation IDE.”

WHAT YOU GET

  • +Agent-first IDE
  • +Cross-surface synchronization
  • +Browser-in-the-loop agents
  • + 1 more...

PERFECT FOR

Professional, Frontend, and Fullstack development

VISIT
Content & DesignFree tier
Google Gemini (Image) logo

Google Gemini (Image)

β€œCreate images with Gemini Nano Banana.”

WHAT YOU GET

  • +Generates photorealistic images
  • +Text-to-image
  • +Multiple styles
  • + 1 more...

PERFECT FOR

Visual content, mockups

VISIT
BrainstormingFree
Perplexity logo

Perplexity

β€œSearch engine replacement. Cited answers.”

WHAT YOU GET

  • +Real-time web search
  • +Cited sources
  • +Follow-up questions
  • + 1 more...

PERFECT FOR

Research, fact-checking

VISIT
BrainstormingFree tier
Claude logo

Claude

β€œThe best AI for thinking and writing.”

WHAT YOU GET

  • +Large context window
  • +Nuanced writing
  • +Artifacts UI
  • + 1 more...

PERFECT FOR

Brainstorming, long-form writing

VISIT
Content & DesignFree
Leonardo AI logo

Leonardo AI

β€œ150 free credits daily. Unlimited images.”

WHAT YOU GET

  • +150 tokens/day (resets daily)
  • +Multiple AI models
  • +Image upscaling
  • + 1 more...

PERFECT FOR

Product mockups, marketing

VISIT
Content & DesignFree
SlidesGo logo

SlidesGo

β€œFree Google Slides & PowerPoint templates.”

WHAT YOU GET

  • +Thousands of free templates
  • +Google Slides & PowerPoint
  • +Easy to edit
  • + 1 more...

PERFECT FOR

Presentations, pitch decks, education

VISIT
Content & DesignFree (open source)
Remotion logo

Remotion

β€œCode your videos. Open source.”

WHAT YOU GET

  • +Programmatic video creation
  • +React-based
  • +Export MP4
  • + 1 more...

PERFECT FOR

Automated videos, demos

VISIT
ProductivityFree
Notion logo

Notion

β€œFree personal workspace. Unlimited pages.”

WHAT YOU GET

  • +Unlimited pages & blocks
  • +All block types (DB, Kanban, etc.)
  • +5MB file uploads
  • + 1 more...

PERFECT FOR

Docs, roadmaps, wikis

VISIT
Testing & Code QualityFree
GitHub logo

GitHub

β€œFree repos. Free CI/CD.”

WHAT YOU GET

  • +Unlimited private repos
  • +2,000 CI/CD minutes/month
  • +GitHub Pages hosting
  • + 1 more...

PERFECT FOR

Code hosting, automation

VISIT
Testing & Code QualityFree (open source), $12/month (private)
Coderabbit logo

Coderabbit

β€œAI code reviews on every PR.”

WHAT YOU GET

  • +Automated PR reviews
  • +Security vulnerability detection
  • +Code quality suggestions
  • + 1 more...

PERFECT FOR

Open source projects, code quality

VISIT
Testing & Code QualityFree (open source)
Playwright logo

Playwright

β€œBrowser automation. Open source.”

WHAT YOU GET

  • +Test automation for web apps
  • +Cross-browser (Chrome, Firefox, Safari)
  • +Record & replay tests
  • + 1 more...

PERFECT FOR

E2E testing, web scraping

VISIT
Domains~$10/year
Namecheap logo

Namecheap

β€œProbably your only cost if you want a custom domain.”

WHAT YOU GET

  • +.com domains
  • +Free WHOIS privacy
  • +DNS management
  • + 1 more...

PERFECT FOR

Most reliable, established registrar

VISIT
Domains~$9/year
Spaceship logo

Spaceship

β€œSlightly cheaper. Cleaner interface.”

WHAT YOU GET

  • +.com domains
  • +Free WHOIS privacy
  • +Modern, clean UI
  • + 1 more...

PERFECT FOR

If you want a cleaner UI

VISIT

FREQUENTLY ASKED

Common questions about building for free.