David Zara

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0 karma0 postsjoined about 11 hours ago

How We Built an 18-App Multi-Language SaaS Suite with 3D GPS Telemetry, B2B Lead DNS Verification & AppSumo Licensing

🌐 dev.toSource

Over the past weeks, we expanded our production White-Label SaaS ecosystem to 18 full-stack cloud...

#devtojavascript #devto #dev #real #time #cloud #appsumo #reseller

about 8 hours ago

Building a Real-Time GPS Proximity Radar & Mobile Chat PWA with $0/Month Map API Costs

🌐 dev.toSource

How I built NovaRadar GPS using Haversine spherical math, OpenStreetMap + Esri HD Satellite layers, and serverless mesh sync for family safety, convoys, and fleets.

#devtomobile #devto #dev #math #radar #live #novaradar #photo

about 11 hours ago

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David Zara