Annotation Python Packages

types-lxml

Complete lxml external type annotation

spectree

API spec validator and OpenAPI document generator for Python web frameworks.

lbox-clients

The data factory for next gen AI

labelbox

The data factory for next gen AI

cvat-sdk

CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

cleanlab

Cleanlab's open-source library is the standard data-centric AI package for data quality and machine learning with messy, real-world data and labels.

reseval

Reproducible Subjective Evaluation

emphases

Crowdsourced and Automatic Speech Prominence Estimation

segments-ai

Segments.ai Python SDK

label-studio

Label Studio is a multi-type data labeling and annotation tool with standardized output format

bbox-visualizer

Make drawing and labeling bounding boxes a piece of cake

speach

🐍🍑 Python 3 library for managing, annotating, and converting natural language corpuses using popular formats (CoNLL, ELAN, Praat, CSV, JSON, SQLite, VTT, Audacity, TTL, TIG, ISF, etc.)

kili

Simplest and fastest image and text annotation tool.

pictograph

Complete python SDK, CLI, and API reference for integrating with the Pictograph.io platform.

aubio-ledfx

a library for audio and music analysis

text-fabric

File format, model, API, and apps for manipulating text and its annotated features

errant

ERRor ANnotation Toolkit: Automatically extract and classify grammatical errors in parallel original and corrected sentences.

hedtools

Python validation, summary, and analysis tools for HED (Hierarchical Event Descriptors).

datamint

Python library for interacting with the Datamint platform

cvat-cli

CVAT is a leading data annotation platform for image, video, audio, and 3D datasets. It offers open-source, cloud, and enterprise products, as well as labeling services, with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

dkpro-cassis

UIMA CAS processing library written in Python

crowd-kit

Control the quality of your labeled data with the Python tools you already know.

snipux

Snip, annotate and record your screen — a Snipping Tool workalike for Linux and Windows

epub-browser

Yet another ebook reader alternative: polished self‑hostable browser‑based EPUB & PDF library, static‑site or multi‑user mode.