Bilingual offline quoting and margin software for freelancers.
CotiMargen v9.1.0 is a finished bilingual ES/EN quoting and margin-management software product for freelancers and small service businesses. It helps users build quotes with labour, materials, travel, discounts and taxes; calculate costs, recommended price, margin and profit; save job history; record actual costs after completion; and compare quoted versus actual results. Key features: • Complete Spanish and English interface • Portable, local-first and offline-capable • No backend, accounts, API keys or external runtime dependencies • Quoting, cost calculation, margin calculation and job history • Actual-cost tracking and quoted-versus-actual results • Backup export/import and PDF/printing • Responsive desktop and mobile interface The sale includes the complete source code, portable application, technical and buyer documentation, branding, QA evidence, professional screenshots and commercial videos in ES and EN. The product is technically transferable and suitable for white-label customisation. Known limitations: data is stored locally in the browser; there is no cloud sync, multi-user system, CRM/ERP, payment processing or external API integration. Buyers should use the built-in backup workflow. The source-code ZIP is not publicly shared and will be delivered to the buyer under the final transfer agreement.
Project details
Next step: <p>A buyer can rebrand or white-label the product, adapt the interface and documentation, package it for other desktop platforms, or add services such as cloud sync or integrations. These are optional future directions; the current product is complete, portable, local-first and works offline without a backend.</p>
For sale
Asking price: $8,500 USD
What's included
Source code, All related data, All related design work
Portable Windows package; bilingual ES/EN application; complete source code; buyer and technical documentation; QA evidence; backup and transfer instructions; branding assets; professional screenshots; and commercial videos in Spanish and English.
Reason for selling
CotiMargen is a finished, stable software asset prepared for transfer. The sale is intended to place the complete product with a buyer who can commercialise, customise or white-label it.
Project metrics
Average Monthly Revenue: Pre-revenue
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