# Top Free Data Labeling Software

Check out our list of free Data Labeling Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.

If you'd like to see more products and to evaluate additional feature options, compare all [Data Labeling Software](https://www.g2.com/categories/data-labeling) to ensure you get the right product.

## View Free Data Labeling Software

G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies).

**30** Data Labeling Products Available
View all [Data Labeling Software](https://www.g2.com/categories/data-labeling)

View all [Data Labeling Software](https://www.g2.com/categories/data-labeling)

### [SuperAnnotate](https://www.g2.com/products/superannotate/reviews)

[By SuperAnnotate](https://www.g2.com/sellers/superannotate)

[

(379)4.8 out of 5
](https://www.g2.com/products/superannotate/reviews#reviews "Read SuperAnnotate Reviews")

Product Description

SuperAnnotate bridges the gap between cutting-edge AI innovation and the high-quality human data that powers it - helping advanced AI teams build more intelligent models. With a global network of thou

**Users:** Student, Data Trainer · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 57% Small-Business, 23% Mid-Market

 ![Cintia B.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Cintia B.")
CB

Super Annotate offers a streamlined and intuitive interface that enhances user experience significantly. With its clear layout, users can navigate...[Read review](https://www.g2.com/products/superannotate/reviews/superannotate-review-12379327)

 ![Josh P.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Josh P.")
JP

I appreciate SuperAnnotate's intuitive interface, which makes it easier to work with. The automation tools are really helpful in streamlining...[Read review](https://www.g2.com/products/superannotate/reviews/superannotate-review-12440846)

Year Founded
2018

HQ Location
San Francisco, CA

Company Website
https://superannotate.com/

Twitter
@superannotate

LinkedIn® Page
https://www.linkedin.com/company/18999422/

### [Roboflow](https://www.g2.com/products/roboflow/reviews)

[By Roboflow](https://www.g2.com/sellers/roboflow)

[

(154)4.7 out of 5
](https://www.g2.com/products/roboflow/reviews#reviews "Read Roboflow Reviews")

Product Description

Roboflow has everything you need to build and deploy computer vision applications. Over 1,000,000 users from businesses of every size — from startups to public companies — use the company's end-to-

**Users:** Founder, Researcher · **Industries:** Computer Software, Research · **Market Segment:** 78% Small-Business, 14% Mid-Market

 ![Aaryan K.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Aaryan K.")
AK

As someone who's annotated 1000+ images across detection, segmentation, and pose estimation tasks for multiple projects, Roboflow has become my...[Read review](https://www.g2.com/products/roboflow/reviews/roboflow-review-12546399)

 ![Verified User in Public Safety](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Public Safety")
UP

The thing I like is the data management in roboflow, the way I can create libraries of my projects, datasets, dataset versions, and prototypes;...[Read review](https://www.g2.com/products/roboflow/reviews/roboflow-review-12548120)

Year Founded
2019

HQ Location
Remote, US

Company Website
https://roboflow.com/

Twitter
@roboflow

LinkedIn® Page
https://www.linkedin.com/company/36096640

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### [Encord](https://www.g2.com/products/encord/reviews)

[By Encord](https://www.g2.com/sellers/encord)

[

(65)4.8 out of 5
](https://www.g2.com/products/encord/reviews#reviews "Read Encord Reviews")

Product Description

Encord is the universal data layer for AI. The platform helps AI teams train and run their models with the right data - managing, curating, annotating, and aligning data across the full AI lifecycle.

**Industries:** Computer Software, Hospital & Health Care · **Market Segment:** 51% Small-Business, 40% Mid-Market

AH

I like the ability of task management and automation tools to simplify and optimize complex workflows. Such tools can help increase efficiency and...[Read review](https://www.g2.com/products/encord/reviews/encord-review-8007603)

 ![Verified User in Hospital & Health Care](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Hospital & Health Care")
AH

-The platform is extremely user-friendly, making it easy for anyone to use. -It offers all the necessary features for performing accurate semantic...[Read review](https://www.g2.com/products/encord/reviews/encord-review-8140125)

Year Founded
2020

HQ Location
San Francisco, US

Company Website
https://encord.com/

Twitter
@encord\_team

LinkedIn® Page
https://www.linkedin.com/company/69557125

### [V7 Darwin](https://www.g2.com/products/v7-darwin/reviews)

[By V7](https://www.g2.com/sellers/v7)

[

(55)4.7 out of 5
](https://www.g2.com/products/v7-darwin/reviews#reviews "Read V7 Darwin Reviews")

Product Description

V7 Darwin is a specialized AI platform for creating high-quality training data and managing annotation workflows. It is engineered for teams building sophisticated computer vision models and solving c

**Industries:** Information Technology and Services, Computer Software · **Market Segment:** 55% Small-Business, 35% Mid-Market

 ![Simon R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Simon R.")
SR

The V7 wesbite is super sleek, intuitive, and easy to use. Within a couple of minutes you're off to the races and can annotate quickly. The team is...[Read review](https://www.g2.com/products/v7-darwin/reviews/v7-darwin-review-4805098)

 ![Verified User in Research](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Research")
UR

The boundaries are detected even on low resolution images[Read review](https://www.g2.com/products/v7-darwin/reviews/v7-darwin-review-4839990)

Year Founded
2018

HQ Location
London, England

Company Website
https://v7labs.com/darwin

Twitter
@v7labs

LinkedIn® Page
https://www.linkedin.com/company/v7labs/

### [Kili](https://www.g2.com/products/kili/reviews)

[By Kili Technology](https://www.g2.com/sellers/kili-technology)

[

(53)4.7 out of 5
](https://www.g2.com/products/kili/reviews#reviews "Read Kili Reviews")

Product Description

Kili Technology is a collaborative AI data platform designed to meet the rigorous needs of building large-scale production-ready AI data securely. Founded in Paris in 2018, Kili Technology caters to a

**Industries:** Information Technology and Services, Computer Software · **Market Segment:** 38% Mid-Market, 34% Small-Business

DS

I utilized Kili Technology for a comprehensive global labeling and annotation project, and found its interface to be remarkably user-friendly and...[Read review](https://www.g2.com/products/kili/reviews/kili-review-7686452)

MA

Kili's support is extremely helpful and managed to solve all our problems in record time. They enabled my team and I to fully use the tool and make...[Read review](https://www.g2.com/products/kili/reviews/kili-review-7719228)

Year Founded
2018

HQ Location
Paris, FR

Company Website
https://kili-technology.com

Twitter
@Kili\_Technology

LinkedIn® Page
https://www.linkedin.com/company/33266852

### [Labelbox](https://www.g2.com/products/labelbox/reviews)

[By Labelbox](https://www.g2.com/sellers/labelbox)

[

(48)4.5 out of 5
](https://www.g2.com/products/labelbox/reviews#reviews "Read Labelbox Reviews")

Product Description

Labelbox is the leading data-centric AI platform for building intelligent applications. Teams looking to capitalize on the latest advances in generative AI and LLMs use the Labelbox platform to inject

**Industries:** Computer Software, Information Technology and Services · **Market Segment:** 46% Small-Business, 38% Mid-Market

 ![Alim B.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Alim B.")
AB

User friendly and less technicality involved[Read review](https://www.g2.com/products/labelbox/reviews/labelbox-review-5125425)

 ![Rohith S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Rohith S.")
RS

While using Lalbebox presented active learning tool, it improved my working efficiency on working with ML projects. I am able to focus on specific...[Read review](https://www.g2.com/products/labelbox/reviews/labelbox-review-10759883)

Year Founded
2018

HQ Location
San Francisco, California

Company Website
https://labelbox.com

Twitter
@labelbox

LinkedIn® Page
https://www.linkedin.com/company/labelbox/

### [Keymakr](https://www.g2.com/products/keymakr/reviews)

[By Keymakr](https://www.g2.com/sellers/keymakr)

[

(46)4.8 out of 5
](https://www.g2.com/products/keymakr/reviews#reviews "Read Keymakr Reviews")

Product Description

We are a data labeling company that focuses on providing high quality annotation services and excellent customer support. We are the best choice for: Image Annotation Video Annotation Data vali

**Industries:** Computer Software · **Market Segment:** 52% Small-Business, 22% Mid-Market

 ![Verified User in Farming](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Farming")
UF

The upside of working with Keymakr is their strategy to annotations. You are given a sample of work to correct before they begin on the big...[Read review](https://www.g2.com/products/keymakr/reviews/keymakr-review-7058668)

 ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software")
UC

I recently worked with Keymaker on a project that required a large amount of annotation work, and I must say that I was thoroughly impressed with...[Read review](https://www.g2.com/products/keymakr/reviews/keymakr-review-7991180)

Year Founded
2015

HQ Location
New York, NY

Company Website
https://keymakr.com

Twitter
@keymakr\_com

LinkedIn® Page
https://www.linkedin.com/company/keymakr/

### [BasicAI Data Annotation Platform](https://www.g2.com/products/basicai-data-annotation-platform/reviews)

[By BasicAI](https://www.g2.com/sellers/basicai)

[

(36)4.4 out of 5
](https://www.g2.com/products/basicai-data-annotation-platform/reviews#reviews "Read BasicAI Data Annotation Platform Reviews")

Product Description

BasicAI Data Annotation Platform (https://www.basic.ai/basicai-cloud-data-annotation-platform) is an All-in-One Smart Data Annotation Platform with strong multimodal feature and AI-powered annotation

**Industries:** Information Technology and Services, Computer Software · **Market Segment:** 44% Small-Business, 31% Mid-Market

 ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services")
II

The intelligent engine used by this software to detect and determine labels and scenarios creation capabilities with ease of user interface is what...[Read review](https://www.g2.com/products/basicai-data-annotation-platform/reviews/basicai-data-annotation-platform-review-6792301)

 ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software")
UC

\* Handles audio, video, image and text data very well \* Great documentation \* Easy to deploy \* Great support team[Read review](https://www.g2.com/products/basicai-data-annotation-platform/reviews/basicai-data-annotation-platform-review-6968790)

Year Founded
2019

HQ Location
Irvine, CA

Company Website
https://www.basic.ai

Twitter
@BasicAIteam

LinkedIn® Page
https://www.linkedin.com/company/basicaius/about/?viewAsMember=true

### [Datature](https://www.g2.com/products/datature/reviews)

[By Datature](https://www.g2.com/sellers/datature)

[

(39)4.9 out of 5
](https://www.g2.com/products/datature/reviews#reviews "Read Datature Reviews")

Product Description

Datature is an AI Vision platform that simplifies computer vision development by unifying data labeling, model training, and deployment into a single workflow. By eliminating the need for fragmented t

**Industries:** Computer Software, Research · **Market Segment:** 64% Small-Business, 28% Enterprise

EA

The labeling and model training process is pretty straightforward, with pre-built models available for fine-tuning or custom models that can be...[Read review](https://www.g2.com/products/datature/reviews/datature-review-7916868)

 ![Verified User in Research](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Research")
UR

Datature's customer support is unparalleled. I was having trouble with training an object detection model, and I was able to get on a Zoom call...[Read review](https://www.g2.com/products/datature/reviews/datature-review-8547067)

Year Founded
2020

HQ Location
San Francisco, US

Company Website
https://datature.io/

Twitter
@DatatureAI

LinkedIn® Page
https://www.linkedin.com/company/datature/

### [Segments.ai](https://www.g2.com/products/segments-ai/reviews)

[By Segments.ai](https://www.g2.com/sellers/segments-ai)

[

(22)4.6 out of 5
](https://www.g2.com/products/segments-ai/reviews#reviews "Read Segments.ai Reviews")

Product Description

Multi-sensor labeling platform for robotics and autonomous driving. Segments.ai is a fast and accurate data labeling platform for multi-sensor data annotation. You can obtain segmentation labels, v

**Industries:** Research, Computer Software · **Market Segment:** 95% Small-Business, 5% Mid-Market

 ![Verified User in Civil Engineering](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Civil Engineering")
UC

An easy interface and export function. Free academic access.[Read review](https://www.g2.com/products/segments-ai/reviews/segments-ai-review-9564776)

 ![Zehra N.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Zehra N.")
ZN

I am a master's student, and I couldn't find a good tool for 3D point cloud annotation until I found Segments.ai. They generously provided me with...[Read review](https://www.g2.com/products/segments-ai/reviews/segments-ai-review-9915972)

Year Founded
2020

HQ Location
Leuven, Vlaams-Brabant, Belgium

Company Website
https://segments.ai/

Twitter
@SegmentsAI

LinkedIn® Page
https://www.linkedin.com/company/segmentsai/

### [Labellerr](https://www.g2.com/products/labellerr/reviews)

[By Tensor Matics Inc.](https://www.g2.com/sellers/tensor-matics-inc)

[

(21)4.8 out of 5
](https://www.g2.com/products/labellerr/reviews#reviews "Read Labellerr Reviews")

Product Description

Labellerr is a computer vision workflow automation platform. It helps ML teams to manage their AI development lifecycle much more efficiently. It helps teams to collaboratively work on data labeling

**Industries:** Information Technology and Services · **Market Segment:** 57% Small-Business, 38% Mid-Market

 ![Sumit S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sumit S.")
SS

Labellerr has simplified image labeling for us saving us time and resources. With active learning annotation, we have been able to streamline a lot...[Read review](https://www.g2.com/products/labellerr/reviews/labellerr-review-9134177)

 ![Sumit S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sumit S.")
SS

Tool is built keeping the needs of training ML model at centre. The UI is easy and can be very well customized.[Read review](https://www.g2.com/products/labellerr/reviews/labellerr-review-9138339)

Year Founded
2017

HQ Location
Wilmington, Delaware

Company Website
https://www.labellerr.com

LinkedIn® Page
https://www.linkedin.com/company/tensormatics/

### [Clarifai](https://www.g2.com/products/clarifai/reviews)

[By Clarifai](https://www.g2.com/sellers/clarifai)

[

(66)4.3 out of 5
](https://www.g2.com/products/clarifai/reviews#reviews "Read Clarifai Reviews")

Product Description

Clarifai is a leader in AI orchestration and development, helping organizations, teams, and developers build, deploy, orchestrate, and operationalize AI at scale. Clarifai’s cutting-edge AI workflow o

**Industries:** Computer Software, Information Technology and Services · **Market Segment:** 62% Small-Business, 27% Mid-Market

 ![Verified User in Higher Education](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Higher Education")
UH

The best thing I liked is how fast and easy it is to use. I didn’t need to write too much code and still I could train and deploy a model for my...[Read review](https://www.g2.com/products/clarifai/reviews/clarifai-review-11382036)

 ![zein k.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "zein k.")
ZK

i can choose languages , cloud technologies , and a good community[Read review](https://www.g2.com/products/clarifai/reviews/clarifai-review-11383095)

Year Founded
2013

HQ Location
Wilmington, Delaware

Company Website
https://www.clarifai.com/

Twitter
@clarifai

LinkedIn® Page
https://www.linkedin.com/company/10064814/

### [UBIAI Text Annotation Tool](https://www.g2.com/products/ubiai-text-annotation-tool/reviews)

[By UBIAI](https://www.g2.com/sellers/ubiai)

[

(17)4.8 out of 5
](https://www.g2.com/products/ubiai-text-annotation-tool/reviews#reviews "Read UBIAI Text Annotation Tool Reviews")

Product Description

UBIAI makes easy-to-use NLP tools to help companies analyze and extract actionable insights from their unstructured data.

**Market Segment:** 47% Small-Business, 35% Mid-Market

 ![Sameer C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sameer C.")
SC

The best part of the tool is the annotations and label categorization. It helps to read the data from different types of sources having similar...[Read review](https://www.g2.com/products/ubiai-text-annotation-tool/reviews/ubiai-text-annotation-tool-review-6977240)

 ![Ihsan S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ihsan S.")
IS

If you're looking for a tagging platform on NLP projects, UBIAI probably has all the features you need. lt supports many document types and...[Read review](https://www.g2.com/products/ubiai-text-annotation-tool/reviews/ubiai-text-annotation-tool-review-7194508)

Year Founded
2020

HQ Location
Carlsbad, US

Company Website
https://ubiai.tools

Twitter
@UBIAI5

LinkedIn® Page
https://www.linkedin.com/company/ubiai/

### [FiftyOne](https://www.g2.com/products/voxel51-fiftyone/reviews)

[By Voxel51](https://www.g2.com/sellers/voxel51)

[

(22)4.5 out of 5
](https://www.g2.com/products/voxel51-fiftyone/reviews#reviews "Read FiftyOne Reviews")

Product Description

FiftyOne by Voxel51 is the leading data platform for physical AI. Without the right data, even the smartest AI models fail. FiftyOne gives machine learning engineers the power to deeply understand an

**Industries:** Computer Software · **Market Segment:** 64% Small-Business, 27% Mid-Market

AP

Voxel51's merit essentially boils down to cutting the CV development period by a pretty large margin. It offers these functionalities from data...[Read review](https://www.g2.com/products/voxel51-fiftyone/reviews/fiftyone-review-9401786)

 ![Aswini Kumar S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Aswini Kumar S.")
AS

Free, practical webinars: They regularly host 90-minute beginner‑friendly workshops like the "Getting Started with FiftyOne" (June 18, 2025), where...[Read review](https://www.g2.com/products/voxel51-fiftyone/reviews/fiftyone-review-11414054)

Year Founded
2018

HQ Location
Ann Arbor, US

Company Website
https://voxel51.com/

Twitter
@Voxel51

LinkedIn® Page
https://www.linkedin.com/company/voxel51

### [iMerit Ango Hub Multimodal AI Platform](https://www.g2.com/products/imerit-ango-hub-multimodal-ai-platform/reviews)

[By iMerit Technology](https://www.g2.com/sellers/imerit-technology)

[

(12)4.8 out of 5
](https://www.g2.com/products/imerit-ango-hub-multimodal-ai-platform/reviews#reviews "Read iMerit Ango Hub Multimodal AI Platform Reviews")

Product Description

For organizations driving advancements in traditional AI and generative AI, iMerit delivers comprehensive, software-delivered solutions that encompass high-quality data annotation, enrichment, and mod

**Market Segment:** 50% Small-Business, 25% Enterprise

 ![David B.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "David B.")
DB

When we found that a small feature would help our workflow, we emailed Ango but thought nothing of it. The next day, the feature we wanted was...[Read review](https://www.g2.com/products/imerit-ango-hub-multimodal-ai-platform/reviews/imerit-ango-hub-multimodal-ai-platform-review-5442748)

AV

We’ve been shopping around for an image labeling software for a while and settled on Ango Hub. We chose it because of its great support for complex...[Read review](https://www.g2.com/products/imerit-ango-hub-multimodal-ai-platform/reviews/imerit-ango-hub-multimodal-ai-platform-review-5451079)

Year Founded
2012

HQ Location
San Jose, US

Company Website
https://imerit.net/

Twitter
@iMeritDigital

LinkedIn® Page
https://www.linkedin.com/company/imerit

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