To speedup and simplify image labeling/ annotation process with multiple supported formats.
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Updated
Aug 18, 2026 - HTML
To speedup and simplify image labeling/ annotation process with multiple supported formats.
Set of React components for PDF annotation
An iOS PDF viewer and annotator written in Swift that can be embedded into any application.
Ybat - YOLO BBox Annotation Tool
⛔ [NOT MAINTAINED] A web-based annotator for closed-domain question answering datasets with SQuAD format.
Apache Annotator provides annotation enabling code for browsers, servers, and humans.
One-click image sorting/labelling script
NOVA is a tool for annotating and analyzing behaviours in social interactions. It supports Annotators using Machine Learning already during the coding process. Further it features both, discrete labels and continuous scores and a visuzalization of streams recorded with the SSI Framework.
👊 Keypoint/Landmark Annotation Software 关键点标注软件
React PDF viewer & annotator SDK — highlight, markup, ink, shape, stamp and signature annotations with comments, review workflow and collaborative permissions. Export to PDF/Excel. React PDF 查看与批注 SDK, 支持高亮、笔迹、图形、印章、签名、评论审阅与协作权限。
📖 Offical documentation repostiory for DataTorch
A lightweight web-based annotation tool for labelling entity recognition data.
Annotator for Clinical Data (ACD) Python SDK
NMDC Sample Annotator
simple rule based named entity recognition
Annotator for Clinical Data (ACD) Java SDK
Stanford CoreNLP annotator implementing jMWE for detecting Multi-Word Expressions / collocations
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