18.3
Roboflow is an end-to-end platform for building, deploying and monitoring computer vision applications.
Free planAndroidiOSWeb
Best Data Labeling Software in 2026
When you’re preparing datasets, data labeling software can help organize annotation work across different media. Compare image annotation and text annotation with audio/video support, then consider whether model-assisted labeling and review workflows match the way you handle quality checks. API or SDK access and deployment are useful criteria for weighing how a tool may fit your setup. Free-plan availability and…
28.2
Label Studio is an open-source data labeling platform for text, images, audio, video, time series, and multimodal data.
Free planOpen sourceWebAPILinux
37.7
LightlyStudio is an app for curating, annotating, checking, evaluating, and managing computer-vision datasets.
Free planOpen sourceWebAPILinux
- 4
VGG Image Annotator
VGG Image Annotator (VIA) is a suite of lightweight tools for manually labeling images, audio and video.
Free planOpen sourceWebLinuxmacOSSelf-hosted7.7Free plan - 5
MakeSense.ai
MakeSense.ai is a browser-based tool for labeling photos and preparing datasets for computer vision projects.
Free planOpen sourceWebLinuxmacOSSelf-hosted7.6Free plan - 6
Doccano
Doccano is a free, open-source data labeling tool for machine-learning practitioners.
Free planWebAPILinuxmacOS7.0Free plan - 7
Segments.ai
Segments.ai is a multi-sensor data labeling platform for robotics and autonomous vehicle teams, available through web and API access.
Free planWebAPI7.0Free plan - 8
CVAT
CVAT is a platform for turning images, video, 3D data, and audio into labeled datasets for AI workflows.
Free planWebAPISelf-hosted6.9Free plan - 9
Supervisely
Supervisely is a computer-vision platform for organizing data, labeling images, video, LiDAR, and medical imagery, and developing models for production.
Free planWebAPISelf-hosted6.9From €199 a month - 10
Prodigy
Prodigy is a downloadable developer tool for creating training and evaluation data for machine learning models.
WebAPILinuxmacOS6.7$390 one-time - 11
Datasaur
Datasaur is a data-labeling platform for teams that upload material, apply labels, and collaborate on annotation work.
Free planWebAPISelf-hosted6.6From $24 a year - 12
Labelme
Labelme is an AI-powered desktop annotation tool for creating image training datasets, aimed at researchers, engineers, and teams.
LinuxmacOSWindows6.4$49 one-time - 13
Potato
Potato is an open-source platform for annotating text, audio, images, video and qualitative data.
Free planWebAPILinuxmacOS6.4Free plan - 14
Argilla
Argilla is a collaboration tool for AI engineers and domain experts building datasets with human feedback.
Free planWebAPILinuxSelf-hosted6.2Free plan - 15
BasicAI
BasicAI is a multimodal annotation platform, with managed services, for preparing AI training data.
WebAPISelf-hosted6.0From $6,600 a year - 16
Dataloop
Dataloop is a web-based platform for annotating image datasets, with model-assisted labeling and collaboration for teams.
WebAPILinuxmacOS6.0 - 17
Labelbox
Labelbox provides tools and services for AI training data, reinforcement learning environments, evaluations, and enterprise agent workflows.
WebAPI6.0 - 18
Kili Technology
Kili Technology is an expert-in-the-loop platform for creating, reviewing, and evaluating AI data, including training and ground-truth datasets.
WebAPISelf-hosted5.9 - 19
LabelU
LabelU is an open-source platform for annotating images, video, and audio.
WebmacOSSelf-hostedWindows5.9 - 20
SuperAnnotate
SuperAnnotate provides infrastructure for AI teams to create, evaluate, and improve data across modalities until datasets are ready for training.
WebAPImacOSWindows5.9 - 21
Deepen AI
Deepen AI provides data infrastructure for Physical AI, connecting sensor calibration, data curation, annotation, and validation.
WebAPISelf-hosted5.8 - 22
Encord
Encord is a paid multimodal data infrastructure layer for AI teams, covering work from pre-training and post-training through deployment.
WebAPISelf-hosted5.6 - 23
V7 Darwin
V7 Darwin is a web and API data-labeling platform for building training datasets for AI models.
WebAPI5.6 - 244.8