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cvat
Discontinued Annotate better with CVAT, the industry-leading data engine for machine learning. Used and trusted by teams at any scale, for data of any scale. [Moved to: https://github.com/cvat-ai/cvat]
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
It really depends on what you are trying to achieve, what your budget is, and where you are in your model development cycle. Nevertheless, I would recommend starting in self-service mode with the simplest tool you can find. This might be something like CVAT, though there are a number of other options (paid, free, SaaS, etc.) out there that a simple google search will return. Once you're ready to scale, you might want to consider handing off your annotations to specialized company like Sama. And yes, we also do 3D annotations. :) (disclaimer: I work for Sama)