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Thoughts, tutorials, insights and updates on technology, development, GIS, data, research and more.
Inside the GIS pipeline behind MaternityCare — computing emergency catchment zones, offline-first dispatch, and why lightweight maps outperform WebGL tiles on $60 Android phones.
Building a multi-vendor marketplace for 3G, budget Android devices, and WhatsApp-native commerce — the engineering tradeoffs behind Lima Marketplace in Sierra Leone.
How KUVS uses offline-authoritative cryptographic ledgers and Merkle-DAG sync to deliver tamper-resilient voting across Sierra Leonean campuses with unreliable power and connectivity.
A complete guide to building modern, fast and scalable web applications using Next.js 14 and Tailwind CSS.
How GIS and spatial analysis can be used to solve real world problems in communities and organizations.
Exploring data analysis workflow using Python, Pandas, Matplotlib and Seaborn in Jupyter Notebook.