THURSDAY, JUNE 25, 2026 48° E  /  GLOBAL TECH · SUMMARISED SUBSCRIBE
AI, business, devices, policy — global tech, summarised every 30 minutes.
Dev Tools · 1h ago

Developer Builds Open-Source 'Spatial Memory' App for Location-Based Notes

By Meridian48 News Desk · Summarised from DEV Community ·

A developer created a location-based app that lets users leave notes, photos, and stories only visible to people within 50 meters of the GPS coordinates. The project, built with PostgreSQL and PostGIS for spatial queries, is open-source on GitHub. The app aims to create a 'Pinterest for the physical world' with progressive privacy settings.

Meridian48 take
The concept is intriguing but faces adoption hurdles; proximity-based discovery is novel but may struggle against existing geotagging features in mainstream apps.
Read the full reporting
Building Spatial Memory: Why I Built a "Pinterest for the Physical World" and What I Learned →
DEV Community
open-sourcelocation-based-app
More dev tools briefs
Go deeper on dev tools
AllAIStartupsBusinessDevicesPolicySecurityDev ToolsPakistan