Khoj leads in popularity with 36,136 stars vs 15,662 stars for SurfSense. The 131% higher star count indicates stronger community adoption. In terms of developer contributions, Khoj has 2,332 forks, indicating strong developer engagement.

SurfSense shows more recent development activity with its last commit 19 hours ago, while Khoj was last updated 1 month ago. This suggests SurfSense is being more actively maintained.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Python, Next.js. However, they differ in their additional technology choices: Khoj uses Java.

Khoj has been in development longer, starting 5 years ago, compared to SurfSense which began 2 years ago. This 3.0-year head start suggests Khoj may have more mature features and established processes.

The projects use different licenses: Khoj is licensed under AGPL-3.0 while SurfSense uses Apache-2.0. Consider the licensing requirements when choosing for your project.

Both tools serve similar use cases in Personal Knowledge Management (PKM). However, they also have distinct specializations: Khoj also focuses on AI Personal Assistants, AI Search Tools while SurfSense extends into Enterprise Knowledge Search.

Both Khoj and SurfSense offer self-hosting capabilities, giving you full control over your data and infrastructure.