OpenAI Codex templates
Hand OpenAI Codex a full-stack app template, describe the changes you need, and let the Codex agent write and ship the code for you.

Meeting Scheduler like Calendly
Works for solo creators and scales to whole teams: one booking page with live availability, paid sessions via Stripe, and calls routed to you or a teammate with Google Calendar sync.
Save $841 in year one
Calendly $960 a year at 5 seats

Help Desk like Zendesk
Customers find answers in your help center and open a ticket or live chat when they cannot, while agents work role-scoped inboxes and you own the content and analytics.
Save $1,851 in year one
Zendesk $1,980 a year at 3 agents

Applicant Tracking like Workable
Candidates apply, your team screens them on one pipeline - AI resume parsing, interview scorecards, signed PDF offers - and analytics show where every role stands.
Save $3,439 in year one
Workable $3,588 a year

Rental Booking like Airbnb
Three sides of a rental business in one app: guests book stays, hosts manage listings, earnings, and reviews, and you oversee disputes, moderation, and reports.
Both sides of the fee are yours
Airbnb takes 3% from you and 14.1-16.5% from the guest

Sales CRM like Pipedrive
Your reps move deals across a Kanban pipeline, log every touch, and work their own task list, while conversion, pipeline value, and team performance update live for you.
Save $711 in year one
Pipedrive $840 a year at 5 reps

AI Content Studio like Buffer
Generate images, write the captions to match, and lay out posts for every network - a brand kit and asset library keep it all on-brand and in one place.
Save $481 in year one
Buffer $600 a year at 5 channels

Task Manager like Asana
Your team runs projects as a board, list, calendar, or timeline, with comments, time tracking, and realtime updates, while analytics show what is moving and what has stalled.
Save $1,200 in year one
Asana $1,319 a year at 10 users

Creator Marketplace like Fiverr
Brands post campaigns and review submissions, creators apply and upload, and you handle licensing, identity checks, and disputes from the admin side.
The cut on every deal is yours
Fiverr keeps 28% of everything transacted

Rental Manager like Buildium
Gives tenants their own portal for the lease, ledger, and repair requests, while you run properties, units, rent, and maintenance from the landlord side.
Save $595 in year one
Buildium $744 a year

Portfolio Site like Framer
Shows visitors your reel, awards, services, and team in one cinematic scroll, then turns them into inquiries through a contact form - with no backend to set up.
Save $360 in year one
Framer $360 a year

Multi-LLM Chat like Perplexity
Your users chat with several AI models in one thread, replies streaming in and every conversation saved - while the provider key and the branding stay yours.
Bill for it under your own brand
Perplexity charges users $20 a month on Pro, free below that

Appointment Booking like Fresha
Runs both sides of every appointment: clients pick a slot from live availability and review it afterward, while you keep schedules, bookings, and customers in one admin panel.
Save $798 in year one
Fresha $897 a year at 5 team members

Lead CRM like HubSpot
Pulls leads in from forms, landing pages, chat, and CSV, scores them with AI, and routes them to your reps, while you oversee campaigns, chats, and reports as admin.
Save $321 in year one
HubSpot Marketing Hub $420 a year at 5 seats

Ticket Sales like Eventbrite
Attendees order tickets, your staff sell at the door and scan QR codes on the day, and you keep events, orders, refunds, and reports in one admin panel.
Keep the 3.7% + $1.79 per ticket
Eventbrite takes 3.7% + $1.79 a ticket

Finance Dashboard like Klipfolio
Puts revenue, expenses, profit, and cash flow on one screen from a CSV import, in any currency, plus cash forecasts and the reports you schedule.
Save $1,321 in year one
Klipfolio $1,440 a year

PDF Signing like DocuSign
Open a PDF, draw your signature, place it anywhere, and download the signed file - all in the browser, with no account and nothing leaving your device.
Save $1,080 in year one
DocuSign $1,080 a year at 2 users

Video Editor like Veed
Trim, reformat, and stitch clips right in the browser, with nothing uploaded to a server - projects, exports, and storage stay organized in one dashboard.
Your users subscribe to you instead
Veed charges users $21 a month on Pro

AI Subtitles like Rev
Transcribes your video in the browser at no per-minute cost, then lets you fix and style the lines on a timeline, translate them, and export a captioned file.
Save $533 in year one
Rev $612 a year at 2 seats

Marketing Analytics like Supermetrics
Assemble dashboards from a widget library on your own CSV data, and AI flags what stands out - viewers, editors, and admins each see only their own slice.
Replaces Supermetrics
Supermetrics €468 a year

Invoices & Quotes like Xero
Build quotes and invoices with line items, tax, discounts, and any currency, then export a PDF branded with your own logo, colors, and fonts.
Save $231 in year one
Xero $300 a year

Language Tutor like Duolingo
Learners chat with an AI tutor that corrects them as they go, then drill with flashcards, exercises, and a dictionary, with daily streaks to keep them coming back.
Learners subscribe to you instead
Duolingo charges learners $10-16.99 a month

Resume Builder like Resume.io
Takes your resume and the job posting and writes a cover letter for that exact role in seconds, then hands you both as clean PDFs - no account needed.
Run it free under your own name
Resume.io charges users $29.95 every 4 weeks
Startup Directory like Crunchbase
Visitors browse and filter startups, the news about them, and the rounds they raise, while you manage companies, articles, and categories from an admin CMS.
Listing fees and sponsorships are yours
Crunchbase charges readers $49 a month

Email Signatures like WiseStamp
Turns your details into a polished email signature and a matching QR code, previewed live, then hands you clean HTML to paste or a PNG to download.
Save $189 in year one
WiseStamp $228 a year
Savings are each vendor’s own published rate over a year, at the team size shown on the card, minus the one-time price. Before your own hosting, typically $0–25 a month, and your setup time. If a vendor’s free tier already covers you, renting is cheaper and you should keep renting.