InfluxData - Scalable datastore for metrics, events, and real-time analytics.
Buy For Life - Find the most durable and sustainable products in the world
TimescaleDB - TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
Waste Not - Open-source database of sustainable suppliers
Prometheus - An open-source systems monitoring and alerting toolkit.
Ethical Resources - Huge repository of ethical alternatives to mainstream stuff