Notesnook significantly outpaces OpenNotas in community adoption with 14,357 stars compared to 176 stars on GitHub. This 81.6x difference suggests Notesnook has a much larger and more active community. In terms of developer contributions, Notesnook has 973 forks, indicating moderate developer engagement.

Both projects show recent activity, with Notesnook last updated 11 hours ago and OpenNotas 2 days ago.

Both tools share common technology foundations, being built with JavaScript, CSS, Typescript. However, they differ in their additional technology choices: Notesnook uses JSX, C, Objective-C, Java, Swift, Ruby, Kotlin, MATLAB, Remix while OpenNotas leverages Vue, Nuxt.js.

Notesnook has been in development longer, starting 5 years ago, compared to OpenNotas which began 2 years ago. This 3.1-year head start suggests Notesnook may have more mature features and established processes.

Notesnook is licensed under GPL-3.0, while OpenNotas's license terms are not publicly specified.

Both tools serve similar use cases in Note-Taking, Personal Knowledge Management (PKM), Secure & Encrypted Notes.

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