Important: Overlock is no more. The team are moving on to new adventures. This site is left up for reference only.


Mar 26, 2018

System testing IoT end-to-end

Overlock’s parent company has been involved in many IoT projects which lead to hardware ending up in end users homes and businesses. This poses a great challenge in that all hardware and software must not only work, b... Read more
Dec 08, 2017

The state of logging in IoT

This post introduces some of what the Overlock team have learned while building our own production IoT systems, as well as insights from speaking to other developers and also from the process of building Overlock. It ... Read more
Nov 15, 2017

Integration Testing APIs with Tavern

TL;DR: We made a Pytest plugin, Python library and CLI tool for testing APIs called Tavern. Testing APIs has always been a crucial part of our work, both when building Overlock and during our consulting work. We ... Read more
Oct 25, 2017

Introducing Overlock

TLDR; Overlock builds on concepts from tools like Sentry/Rollbar but with a new approach to logging which is useful for distributed systems with persisted state. Overlock sits alongside your existing IoT infrastruct... Read more