Abe

Abe is a ground-truth schema editor for document images. It lets data annotators adjust key-value pairs, nesting, and ordering directly, then export JSON that’s ready for model training. 👉 Try it

Challenges:

• Existing tools handle classical tasks like object detection but fail for structured key-value extraction in document parsing.
• In practice, data schemas evolve and are continually discovered by labelers — not fixed upfront. These need to be reconciled and consolidated.