Products
Each product below is a working business: free tier for users, paid tier for teams — designed from day one to generate revenue without servers or overhead. Built end-to-end by one engineer: design, code, tests, CI/CD, licensing.
Broadcast-grade audio-visual QC in the browser. Proven at Gran (EdTech): ≈6.5× throughput, 2.000+ assets/month. v2: offline PWA, QC report export, A/B compare, licensing.
B2B: Team R$497/mo · On-premise R$15k setup + R$997/mo · Lifetime R$45k
Case study & pricing →QR digital menu that sells more for restaurants.
Free: 20 items · Pro: unlimited + custom QR — R$19/mo
source ↗Seller bio-link with WhatsApp CTA + catalog.
Free: 1 page · Pro: multi-page + analytics — R$9/mo
source ↗Offline sales ledger for stalls, salons & food trucks.
Free: 30 sales/mo · Pro: unlimited + backup — R$14/mo
source ↗ATS-friendly resume builder that passes filters.
Free: PDF w/ watermark · Pro: premium templates — R$24 once
source ↗Snowball debt payoff planner that works.
Free: plan · Pro: 12-mo tracking — R$15 once
source ↗Freelancer contracts, invoices & receipts in minutes.
Free: 3 models · Pro: full library — R$49 once
source ↗Client-ready proposals that close deals.
Free w/ watermark · Pro: no watermark — R$29 once
source ↗Cost-plus & value-based pricing for makers. Never underprice again.
Free: calculator · Pro: PDF reports — R$39 once
source ↗Transparent, verifiable giveaways for creators.
Free w/ link · Pro: branded raffles — R$12 once
source ↗Printable TTRPG character sheets for tables everywhere.
Free: 1 system · Pro: system packs — R$19 once
source ↗Multi-platform video download engine (yt-dlp/ffmpeg core): Python library + FastAPI + Celery/Redis with SSE progress, JWT-signed delivery (anti-leech), abuse controls and quota management.
Freelance projects, contracts and full-time roles. Fast replies, working software, no drama.
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