1.

Open Blend

2.

Open Energi

3.

OpenBinacle

4.

OpenMined 2017

5.

OpenSensors 2014

6.

OpenWeather 2014-06-01

7.

Openxtra 2003-02-03

8.

Opinyin

9.

Optalitix 2013

10.

Oranda 2023.0

11.

Orb Data

12.

ORB Innovations