Both tools have similar popularity levels, with Netbird having 28,364 stars and Tailscale having 35,134 stars on GitHub. In terms of developer contributions, Tailscale has 3,060 forks, indicating strong developer engagement.

Netbird is growing faster, adding 1,128 stars in the last 30 days (+4.1%) against adding 1,171 stars for Tailscale (+3.4%). Netbird is the smaller project of the two, so it is closing the gap rather than extending a lead.

Both projects show recent activity, with Netbird last updated 8 hours ago and Tailscale 6 hours ago.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Golang. However, they differ in their additional technology choices: Tailscale leverages C, Objective-C, Swift, Lua.

Tailscale has been in development longer, starting 7 years ago, compared to Netbird which began 5 years ago. This 1.2-year head start suggests Tailscale may have more mature features and established processes.

Tailscale is licensed under BSD-3-Clause, while Netbird's license terms are not publicly specified.

Both tools serve similar use cases in VPN & Secure Access, VPN & Secure Tunnels.

Netbird provides self-hosting options for complete data control and customization, while Tailscale may be primarily cloud-based or require different deployment approaches.