There’s an interesting new sensor beacon at Ruuvitag. It provides temperature, humidity, air pressure and acceleration and will be coming soon to kickstarter.
At first sight it doesn’t provide that much more than standard sensor beacons. However, the differentiating factor is that this beacon is open source.
This means that the beacon is not just configurable but also fully user-reprogrammable. For example, you can run proprietary protocols and form mesh networks. The open hardware and software design to allows adaptation for your proprietary solution. Open hardware and software also reduces the risk should you base your system on it and Ruuvitag (the company) no longer support it.