Both tools have similar popularity levels, with Fathom Lite having 8,012 stars and OpenPanel having 6,266 stars on GitHub. In terms of developer contributions, OpenPanel has 404 forks, indicating moderate developer engagement.

OpenPanel shows more recent development activity with its last commit 28 days ago, while Fathom Lite was last updated 5 months ago. This suggests OpenPanel is being more actively maintained.

Fathom Lite has been in development longer, starting 10 years ago, compared to OpenPanel which began 2 years ago. This 7.4-year head start suggests Fathom Lite may have more mature features and established processes.

Fathom Lite uses the MIT license, which is more permissive than OpenPanel's AGPL-3.0 license, potentially offering greater flexibility for commercial use and integration.

Both tools serve similar use cases in Web Analytics. However, they also have distinct specializations: OpenPanel extends into Product Analytics.

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