Once Sport vs V7 Darwin
| Once Sport | V7 Darwin | |
|---|---|---|
| Free trial | Yes | |
| Platforms | Linux, macOS, Web, Windows | api, Web |
| Free plan | No | Yes |
| Frame-accurate marking | Yes | |
| Drawing annotations | Yes | |
| Custom labels or fields | Yes | |
| Dataset export | Yes | Darwin JSON; Darwin XML; COCO; CVAT; YOLO; Semantic PNG; Instance PNG; Pascal VOC; NIfTI |
| Model-assisted labeling | Yes | |
| API access | Yes | |
| Annotation types | Polygon; bounding box; tag; skeleton; keypoint; line; ellipse; mask; attributes; text; directional vector; instance ID | |
| Image formats | .jpg, .jpeg, .webp, .png, .bmp, .svs, .tif, .tiff, .qtiff, .dcm, .rvg, .nii, .nii.gz, .ndpi | |
| Team collaboration | Yes |
Listed together in Best Video Annotation Software