ShareX leads in popularity with 39,085 stars vs 20,670 stars for Cap. The 89% higher star count indicates stronger community adoption. In terms of developer contributions, ShareX has 3,884 forks, indicating strong developer engagement.

Cap is growing faster, adding 541 stars in the last 30 days (+2.7%) against adding 456 stars for ShareX (+1.2%). Cap is the smaller project of the two, so it is closing the gap rather than extending a lead.

Both projects show recent activity, with Cap last updated 17 hours ago and ShareX 15 hours ago.

Both tools share common technology foundations, being built with CSS. However, they differ in their additional technology choices: Cap uses JavaScript, Bash, Typescript, JSX, Next.js, Rust, Tauri while ShareX leverages C#.

ShareX has been in development longer, starting 13 years ago, compared to Cap which began 3 years ago. This 10.3-year head start suggests ShareX may have more mature features and established processes.

The projects use different licenses: Cap is licensed under AGPL-3.0 while ShareX uses GPL-3.0. Consider the licensing requirements when choosing for your project.

Both tools serve similar use cases in Screen Recording. However, they also have distinct specializations: ShareX extends into Screenshot Utilities.

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