Onyx (formerly Danswer), creators of an OSS search and retrieval tool for enterprises, closed a $10 million seed round led by Khosla Ventures and First Round Capital. Onyx already claims the likes of Netflix, Zendesk, and the University of Florida as customers.

According to its founders Chris Weaver and Yuhong Sun, Onyx’s main differentiator is open source:

Today the company works with dozens of enterprises, including Netflix, Ramp, and Thales Group. Sun and Weaver largely credit the company’s success to their decision to open source the software. It has allowed companies to experiment and also avoid a lengthy enterprise sales cycle.

“Open source is really the only way for this type of solution to scale out and get the momentum into every single business in the world,” said Weaver.

Interesting tidbit: they raised their seed round with a 9-slide pitch deck.