Weaviate leads in popularity with 16,646 stars vs 9,214 stars for Activeloop. The 81% higher star count indicates stronger community adoption. In terms of developer contributions, Weaviate has 1,356 forks, indicating strong developer engagement.

Weaviate shows more recent development activity with its last commit 11 hours ago, while Activeloop was last updated 2 months ago. This suggests Weaviate is being more actively maintained.

Both tools share common technology foundations, being built with JavaScript, Bash, Python, C. However, they differ in their additional technology choices: Activeloop uses CSS, Typescript, Objective-C, C++ while Weaviate leverages Golang.

Weaviate has been in development longer, starting 10 years ago, compared to Activeloop which began 7 years ago. This 3.4-year head start suggests Weaviate may have more mature features and established processes.

Weaviate uses the BSD-3-Clause license, which is more permissive than Activeloop's Apache-2.0 license, potentially offering greater flexibility for commercial use and integration.

Both tools serve similar use cases in Vector Databases.

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