1.

OpenSensors 2014

2.

Openworld

3.

optimasi.ai

4.

Optimist

5.

Orchestra 2017

6.

Orient

7.

Originality.AI 2022.0

8.

Orkestry

9.

Orson

10.

Osaka Labs

11.

OSDB 2017-09-11

12.

Osmium Labs