AI · alternatives · 2026

24 alternatives to RectLabel

Labeling images for object detection

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. RectLabel launched in 2017; newer entries below may have overtaken it.

1. 1
   YOLO▲175

   Real-time object detection

   2017 · pjreddie.com · its alternatives →

2. 2AF
   API for detecting people, cars, and everyday objects in images▲179

   2013 · dextrorobotics.com · its alternatives →

3. 3
   Real-Time YOLO Object Detection in Elixir: Fast, Simple, Extensible▲96

   A library for object detection and seamless YOLO model integration in Elixir - poeticoding/yolo_elixir

   2024 · github.com · its alternatives →

4. 4
   YOLO▲16

   Real-time object detection

   2018 · pjreddie.com · its alternatives →

5. 5
   CloudSight▲128

   Image Recognition API

   2015 · its alternatives →

6. 6
   Clarifai▲103

   Image recognition API

   2014 · its alternatives →

7. 7
   Nyckel Object Detection▲84

   The machine learning API for non-experts

   2022 · nyckel.com · its alternatives →

8. 8
   Grade▲112

   Complementary gradients generated from images

   2016 · benhowdle.im · its alternatives →

9. 9
   Gradient World▲104

   Gradients generated from photographs of nature

   2017 · its alternatives →

10. 10
    WhatTheFIsML▲110

    An illustrated guide to understanding Machine Learning

    2016 · its alternatives →

11. 11
    Malevich▲165

    AI that repaints photos in the style of your favorite artist

    2016 · sedo.com · its alternatives →

12. 12
    A convenient graphical image annotation tool▲47

    A label tool aim to reduce semantic segmentation label time, rectangle and polygon annotation is supported - andywang0607/AutoAnnotationTool

    2020 · github.com · its alternatives →

13. 13
    Object Detection with Pytorch▲21

    An online course on how to detect objects in real time

    2019 · lode88vn.skin · its alternatives →

14. 14
    Relonch Camera▲126

    AI-powered "camera as a service"

    2016 · its alternatives →

15. 15
    Restb.ai▲76

    Custom computer vision as a service

    2016 · restb.ai · its alternatives →

16. 16
    TapTapSee▲73

    Helping visually impaired people identify objects

    2015 · taptapseeapp.com · its alternatives →

17. 17
    Color Library▲116

    Automated color separation

    2016 · colorlibrary.ch · its alternatives →

18. 18
    Visual Dictionary▲100

    Don't know what something is? Snap a pic and find out.

    2015 · its alternatives →

19. 19SI
    Semantic Image Segmentation Live Demo▲65

    2015 · robots.ox.ac.uk · its alternatives →

20. 20
    LabelGPT▲48

    Supercharge vision model training with auto object detection

    2023 · try.labellerr.com · its alternatives →

21. 21
    Photor AI▲96

    Identify your best shots in just few seconds with AI

    2023 · photor.io · its alternatives →

22. 22
    Fragment▲115

    Prismatic Photos

    2013 · pixiteapps.com · its alternatives →

23. 23
    Attensee▲69

    An eye tracking alternative that actually works

    2014 · attensee.com · its alternatives →

24. 24
    Eintstein Vision by Salesforce▲87

    The power of image recognition embedded in any app

    2017 · salesforce.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →