AI · alternatives · 2026
24 alternatives to An annotation tool for ML and NLP
A web-based document annotation tool, powered by AI :rocket: - samueldobbie/markup
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. An annotation tool for ML and NLP launched in 2023; newer entries below may have overtaken it.
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The easy way to turn text into structure data
2021 · getmarkup.com · its alternatives →
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Your ultimate assistant for content creation
2024 · embedai.webflow.io · its alternatives →
- 4OS
Complete AI Platform: RAG Systems & Intelligent Agents for Local AI
2025 · rlama.dev · its alternatives →
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Allen NLP▲72An open-source NLP research library, built on PyTorch
2017 · allenai.org · its alternatives →
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Your ultimate AI powered bookmark organization solution
2023 · valerianotion.gumroad.com · its alternatives →
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Intuitive Annotation Tool for Information Extraction / Named Entity Recognition using localturk / Amazon Mechanical Turk - Varal7/ieturk
2018 · github.com · its alternatives →
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2020 · kontxt.io · its alternatives →
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AnnotateAI▲83Human-guided AI data annotation, fast & scalable
Feb 2026 · annotateai.xyz · its alternatives →
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AgentEcho▲89Annotate any webpage UI and export feedback as Markdown
Jan 2026 · github.com · its alternatives →
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ML Annotator▲79Annotate machine learning data sets and output to models
2022 · apps.apple.com · its alternatives →
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Hi HN! I am Maria, solo founder of DataQA (https://dataqa.ai/), a tool to search and label documents for various NLP tasks (e.g. entity extraction, entity linking, etc). I have worked as a data scientist and ML engineer for the better part of a decade, and over that time have specialised mainly in applications involving natural language processing (NLP). One of the key questions I have always had at the back of my mind is whether my time was well spent. Whenever I spent more time on feature engineering or trying different models, I always wondered whether I would get better…
2021 · its alternatives →
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AI platform for annotating web pages. Annotate any website!
Jan 2026 · annotatable.ai · its alternatives →
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2021 · github.com · its alternatives →
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BlogNLP▲71The AI writing tool for effortless content creation
2023 · blognlp.com · its alternatives →
- 22PA
Hey HN, I’m Jordan cofounder of Humanloop (YC S20) and I’m excited to show you Programmatic — an annotation tool for building large labeled datasets for NLP without manual annotation. Programmatic is like a REPL for data annotation. You: 1. Write simple rules/functions that can approximately label the data 2. Get near-instant feedback across your entire corpus 3. Iterate and improve your rules Finally, it uses a Bayesian label model [1] to convert these noisy annotations into a single, large, clean dataset, which you can then use for training machine learning models. You can…
2022 · programmatic.humanloop.com · its alternatives →
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A label tool aim to reduce semantic segmentation label time, rectangle and polygon annotation is supported - andywang0607/AutoAnnotationTool
2020 · github.com · its alternatives →
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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 →