(Corrects Reuters Instrument Code in paragraph 1) Oct 14 (Reuters) - GitLab Inc shares opened about 22% above their offer price in their Nasdaq debut on Thursday, giving the software development platform a market capitalization of $13.48 billion. The company’s stock opened at $94.25, compared with the initial public offering price of $77 per share. (Reporting by Niket Nishant and Praveen Paramasivam in Bengaluru; Editing by Shailesh Kuber) Our Standards: The Thomson Reuters Trust Principles.