UniversalDataTool – open-source collaborative data labeling

In plain words

UniversalDataTool is an open-source platform for collaborative data labeling that launched in 2020. It enables teams to annotate and label datasets together, streamlining the preparation of training data for machine learning projects. The tool is designed for developers and data scientists who need to organize and mark up large volumes of data efficiently. As an open-source project, it allows users to customize the platform for their specific labeling workflows and integrate it into existing development pipelines.

written from the facts on this page · September 2026

• 
  Label Studio 1.8.0 Release2023 · labelstud.io · ▲185

  Open source data labelling platform for AI model tuning

• 
  Autolabel, a Python library to label and enrich text data with LLMs2023 · github.com · ▲153

  Hi HN! I'm excited to share Autolabel, an open-source Python library to label and enrich text datasets with any Large Language Model (LLM) of your choice. We built Autolabel because access to clean, labeled data is a huge bottleneck for most ML&#x2F;data science teams. The most capable LLMs are able to label data with high accuracy, and at a fraction of the cost and time compared to manual labeling. With Autolabel, you can leverage LLMs to label any text dataset with <5 lines of code. We’re eager for your feedback!

• 
  Open-Source multi-dashboarding platform for teams and client reporting2021 · github.com · ▲73

  Open-source reporting platform to build and share live dashboards from APIs, SQL and NoSQL databases, with powerful AI assistant, scheduling, and embeddable charts 📈📊 - chartbrew/chartbrew

• 
  Universal Data Visualization 1.02021 · store.123d.one · ▲126

  Charts and infographics constructor in Figma

• 
  Data Labeling Platform2024 · labelyourdata.com · ▲239

  Manage your computer vision data labeling

• DA
  dstack – an open-source tool to build data applications easily2020 · ▲134

  Dear HN, I am Riwaj, the cofounder of dstack.ai (https:&#x2F;&#x2F;github.com&#x2F;dstackai). A few months ago, we built an online service that allows users to publish data visualizations from Python or R. The idea was to build a tool that did not require additional programming or front-end development for publishing data visualizations. Such a code can be invoked from either Jupyter notebook, RMarkdown, Python, or R scripts. Once the data is pushed, it can be accessed via a browser. Open-sourcing dstack: During our customer discovery phase, we realized that dstack.ai should integrate a lot…

• 
  /dev/null▲482

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

• 
  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Unscreen▲955

  Remove video and GIF backgrounds 100% automatically

  Dev tools · 2020 · canva.com

• 
  Around▲870

  Next-gen video calls for a new era of work

  Work · 2020 · around.co

• 
  Fraidycat▲807

  Life & fun · 2020 · fraidyc.at

• 
  MainStreet▲540

  Founders: You're owed $50K. Get it back in 20 minutes 🤝

  Commerce · 2020 · mainstreet.com

• 
  Control Illustrations▲540

  108 free flat illustrations with customizable characters

  Dev tools · 2020 · patterns.page

• TF
  To fight quarantine boredom I build a site to watch movies with friends▲515

  Life & fun · 2020 · bingetogether.com