HumanSignal / label-studio

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

voxel51 / fiftyone

Refine high-quality datasets and visual AI models

langwatch / langwatch

Open-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and govern every agent & coding assistant in the company.

datopian / portaljs

🌀 AI-native framework for building data portals. Scaffold a full portal from a brief and load datasets in minutes with agentic skills — any backend (CKAN, GitHub, Frictionless).

tinyfish-io / bigset-oss

Open-source BigSet — self-hostable live datasets populated by TinyFish web agents

huggingface / aisheets

Build, enrich, and transform datasets using AI models with no code

Renumics / spotlight

Interactively explore unstructured datasets from your dataframe.

metabase / dataset-generator

AI Dataset Generator – Create realistic datasets for demos, learning, and dashboards

isaqueseneda / shieldfont

A typeface that protects written content by poisoning unauthorized AI training datasets.

milesj / emojibase

🎮 A collection of lightweight, up-to-date, pre-generated, specification compliant, localized emoji JSON datasets, regex patterns, and more.

suncityldp / zx-bench

A reproducible local LLM benchmarking platform with versioned datasets, deterministic scoring, and auditable reports.

LuxAlgo / market-trackers

Open pipeline for the public record of US markets: congress trades, insider filings, 13F holdings, government contracts, lobbying, short-sale volume, patents, congressional hearings, Fed communications, and more: primary sources → typed datasets → MCP server for AI agents + free daily CC0 dumps.