vespa-engine/vespa
AI + Data, online. https://vespa.ai
Vespa helps you build powerful, large-scale applications that need to quickly find and organize information. It takes in various types of data—like text, numbers, and AI model outputs—and lets you perform complex searches and make real-time decisions, even as the data changes. This is ideal for product managers, data scientists, and operations teams building high-performance online services.
6,820 stars. Actively maintained with 407 commits in the last 30 days.
Use this if you need to build applications that perform real-time search, recommendations, or personalization over vast, dynamic datasets.
Not ideal if your application doesn't require high-speed data retrieval, complex AI model evaluation at serving time, or operates on small, static datasets.
Stars
6,820
Forks
700
Language
Java
License
Apache-2.0
Category
Last pushed
Mar 12, 2026
Commits (30d)
407
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