Alternatives to PublicAI

Private-deployment data annotation platform for multimodal AI training, from BasicAI.

Daft is an open-source multimodal data engine for building training-ready AI datasets from video, images, and audio.

LanceDB is an open-source multimodal lakehouse that keeps curation, features, search, and training on one Lance table.

Prodigy is a downloadable Python annotation tool for building training and evaluation data for custom AI, ML and NLP models.

Open-source platform for data labeling, LLM evaluation, and human-in-the-loop review across every data modality.

Agent training data, RL environments, and red-teaming from Toloka for LLM and computer-use agent teams

CVAT is an open-source data annotation platform for image, video, 3D point cloud, and audio labeling.

AfterQuery turns expert reasoning into SFT, RL rubric, agent, and computer-use training data for frontier models.

Buy pre-collected AI training datasets from 900+ domains, or pull live web data at inference time through Bright Data's scraping APIs and

Cortex AI supplies real-workplace egocentric video and robot trajectory data for training embodied AI and robot foundation models.

Mundo AI builds culturally-aware audio and video training data, evaluations, and applied research for teams working on perceptual AI.

Snorkel AI builds expert-curated training data and runnable eval environments that fix where frontier models and agents break.

Free MIT-licensed Python CLI that extracts AI coding assistant chat history into one normalized JSONL dataset for fine-tuning and analytics.

Hugging Face Datasets: load, stream, and preprocess training data in one line of Python

Browser and offline desktop data labeling for image, text, document, and video annotation.

Open-source data annotation for text, image, audio, video, 3D, and AI agent traces — built in YAML, self-hosted free.

Enterprise dataset management platform for AI training teams

Applied AI for aviation: pilot-controller training datasets, the Y4 Aviation Understanding Model, and real-time runway incursion risk detection.

Hub recruits the physical world to capture egocentric, teleoperation, hand-tracking and tactile training data for embodied AI.

Privacy-safe synthetic tabular data on an Apache v2 SDK, deployable in your own cloud.

Raiinmaker sources rights-cleared custom video datasets and runs real-time human evaluation for generative AI video models.

Outlier AI pays subject-matter experts to train AI models remotely through flexible, project-based prompt writing and answer grading.

Offline AI image annotation desktop app with local SAM2, SAM3 and YOLO-World — one-time purchase from $49.

Human-recorded computer-use datasets that teach AI agents to operate real software the way people do.

Open-source framework that generates hundreds to thousands of SWE-agent training tasks from any GitHub repository.

Blockchain-verified autonomous AI agents for trading, enterprise workflows, and monetized data pipelines.

Clickworker turns a verified global crowd of 10M+ people into on-demand data collection, labeling, and validation work for AI, retail, and research teams.

Spotlight is Renumics' open-source Python library for visualizing and curating unstructured datasets as interactive similarity maps.

GameEngineBench scores frontier AI models on real UE5 game-engine programming tasks, not static coding puzzles.

Vision Lab turns industrial video into expert-validated action labels and hand pose data for robot manipulation policies.