Microbit - BBC's handheld, programmable computer given free to UK kids
OctoPerf - OctoPerf is a SaaS load testing solution, based on JMeter.
Novlr - Online word processor and organizer for novel writing.
StresStimulus - Load testing tool for websites and mobile that works with hard-to-test applications.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
SmartMeter.io - Performance Testing with Enterprise-Level Features with a familiar jMeter interface