Tailscale

Tailscale
Tailscale
Developer	Tailscale Inc.
Stable release	1.102.3 / August 19, 2026
Operating system	Windows 10, 11; Windows Server 2016+; macOS 13+; Android 8+; iOS 15+; tvOS 17+; visionOS 1+; Debian, Linux, Plan9;
Type	SD-WAN, P2P, VPN, ZTNA
License	BSD
Website	tailscale.com
Repository	github.com/tailscale/tailscale

Tailscale Inc.
Type	Private
Industry	Computer networking; Software-defined networking;
Founded	2019
Founders	Avery Pennarun; David Crawshaw; David Carney; Brad Fitzpatrick;
Headquarters	Toronto, Ontario
Key people	Avery Pennarun; David Carney; Brad Fitzpatrick;
Website	tailscale.com

Tailscale Inc. is a software company based in Toronto, Ontario. Tailscale develops an open-source software-defined mesh virtual private network (VPN) and a web-based management service. The company provides a zero config VPN as a service under the same name.

The company's name was inspired by a 2013 Google research paper, The Tail at Scale.