Tailscale has raised $160 million in Series C funding, led by Accel, to further develop its networking platform. The company aims to use the funding to grow its engineering and product teams and support its free and paid customers. Tailscale's platform provides secure and private networking for businesses and individuals, and the company plans to continue investing in its technology. The funding round also includes participation from existing investors CRV, Insight Partners, Heavybit, and Uncork Capital.