proofdraw
ProofDraw is an entry-based contest platform where users buy entries to win items like electronics, collectibles, and home goods. Sellers list products as contests; when the target entries are reached, a deterministic, auditable draw selects the winner. Built for trust: verified sellers, transparent draws, Stripe payments, and shipment tracking.
proofdraw
ProofDraw is an entry-based contest platform where users buy entries to win items like electronics, collectibles, and home goods. Sellers list products as contests; when the target entries are reached, a deterministic, auditable draw selects the winner. Built for trust: verified sellers, transparent draws, Stripe payments, and shipment tracking.
All-time
No active subscriptions
Francisco Lourenço817 followers on 𝕏
PortugalRevenue is verified with
Stripe API key.Last updated: Sep 17, 2026, 09:28 PM
Market
Tech stack
"ProofDraw is a production-ready entry-based contest platform with full auth, Stripe payments, Supabase backend, and auditable draws. Sellers list items, buyers purchase entries, and a deterministic draw selects winners. Includes shipment tracking, post-win reviews, and referral system. Live at proofdraw.vercel.app. Ready to scale or pivot—codebase is clean, well-structured, and documented."
Francisco Lourenço
Founder of proofdraw
Product updates
More startups for sale
View Marketplace
ClaudeKit
ClaudeKit shows the cutoff before it hits, lets you fork risky ideas without damaging the good thread, saves prompts, counts tokens, exports chats, and helps Pro users preserve context before Claude stops mid-task.
Revenue (30d)
$179
Asking Price
$5k
Multiple
2.3x
Sopravo
Sopravo is a private AI meeting recorder for iPhone. It records meetings, transcribes them with speaker labels, and generates AI summaries entirely on-device in 16 languages. Nothing is uploaded: there is no backend, and sync runs through the user's own iCloud. Monetized with subscriptions and a limited lifetime tier via RevenueCat, with a 7-day free trial.
Revenue (30d)
$196
Asking Price
$10k
$5k
Multiple
2.1x
AffiliList
The #1 place to find the best affiliate programs.
Revenue (30d)
$234
Asking Price
$6k
Multiple
2.1x
AppAlchemy
AppAlchemy is an AI powered no code builder that turns a text description into a working iOS and Android app. Users describe their idea and iterate in chat without writing code. It also includes the original app design tool at design.appalchemy.ai with its own paying subscriber base. Stack: web app, Supabase and Firebase backends, Stripe billing, LLM based generation. Two products, one Stripe account, 300 paying subscribers, 90%+ profit margins, no employees.
Revenue (30d)
$6k
Asking Price
$28k
Multiple
0.4x
Vid.AI
Turn any idea or script into ready-to-post videos that get views. AI generates voiceovers, visuals, and edits – all in minutes, no skills needed.
Revenue (30d)
$46k
Asking Price
$1.5M
Multiple
2.7x
Cliptude
Automatically researches, writes, and edits high-quality documentaries. Complete with stock footage, motion graphics, maps, and realistic voiceovers.
Revenue (30d)
$6.5k
Asking Price
$200k
$89k
Multiple
1.1x