Best Image Annotation Software in 2026
Updated
28 image annotation software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
28ranked
0free plans on this page
4 Oct 2026last checked
| # | Platform | Score | Why | Free plan | Paid from | Annotation types | |
|---|---|---|---|---|---|---|---|
| 26 | Kili Technology | 5.0 | RecognisedAPIDocumented | No | — | bounding boxes, polygons, semantic segmentation, pose estimation, named entity recognition, classification | View |
| 27 |  RectLabel | 5.0 | RecognisedAPIDocumented | No | — | boxes, rotated boxes, polygons, cubic Bézier curves, lines, points, pixels, keypoints, image labels | View |
| 28 |  Segments.ai | 5.0 | RecognisedAPIDocumented | No | — | segmentation, bounding box, polygon, polyline, keypoint, cuboid | View |
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