Context shelf, 90 platforms, described never ranked

Platforms

These are context entities: described, never ranked. They carry no score, by construction. Listed alphabetically within each category, with a last-verified date where known.

Analysis & Media
AI Snake Oil (Narayanan & Kapoor)
Active · verified 2026-06-14

Evaluation-skeptic analysis with academic grounding

ChinAI (Jeff Ding)
Active · verified 2026-06-14

Translations of Chinese AI discourse

Don't Worry About the Vase (Zvi)
Active · verified 2026-06-14

Exhaustive weekly synthesis of AI developments

Dwarkesh Podcast
Active · verified 2026-06-14

Long-form primary interviews with frontier figures

Import AI (Jack Clark)
Active · verified 2026-06-14

The longest-running serious AI policy/technical newsletter

Interconnects (Nathan Lambert)
Active · verified 2026-06-14

Open-model and post-training analysis

International AI Safety Report
Active; periodic · verified 2026-06-14

Bengio-chaired intergovernmental scientific assessment

Jiqizhixin (机器之心)
Active · verified 2026-06-14

China's leading AI media outlet

Latent Space
Active · verified 2026-06-14

AI engineering podcast/newsletter; defined the AI-engineer role

Machine Learning Street Talk
Active · verified 2026-06-14

Technical long-form research interviews

MIT Technology Review (AI desk)
Active · verified 2026-06-14

The legacy outlet with the strongest AI bench

QbitAI (量子位)
Active · verified 2026-06-14

CN AI industry news

SemiAnalysis
Active · verified 2026-06-14

Compute supply-chain and datacenter analysis

Stanford AI Index
Active; annual · verified 2026-06-14

The reference annual dataset on AI progress and policy

State of AI Report
Active; annual · verified 2026-06-14

Annual field synthesis (Benaich)

The Batch
Active · verified 2026-06-14

Accessible weekly AI news (DeepLearning.AI)

Transformer (Shakeel Hashim)
Active · verified 2026-06-14

AI policy journalism

Communities
Alignment Forum
Active · verified 2026-06-14

Technical alignment research discussion

EleutherAI Discord
Active · verified 2026-06-14

Open-source research collective's home

LessWrong
Active · verified 2026-06-14

Rationalist forum where alignment discourse developed

r/MachineLearning + r/LocalLLaMA
Active · verified 2026-06-14

Research and local-model practitioner communities

Consumer & Assistants
Character.AI
Active · verified 2026-06-14

Companion-AI at scale; the test case for AI-relationship governance

ChatGPT
Active · verified 2026-06-14

The product that made LLMs a mass medium

Claude (claude.ai / Claude Code)
Active · verified 2026-06-14

Anthropic's assistant; Claude Code defined agentic coding

Doubao
Active · verified 2026-06-14

ByteDance's assistant; China's largest by users

Gemini (app)
Active · verified 2026-06-14

Google's assistant across Android/Workspace

Kimi
Active · verified 2026-06-14

Moonshot's consumer assistant (CN)

Microsoft Copilot
Active · verified 2026-06-14

AI layer across Windows/Office/GitHub

NotebookLM
Active · verified 2026-06-14

Source-grounded research assistant; audio overviews

Perplexity
Active · verified 2026-06-14

Answer-engine challenger to search

Education
3Blue1Brown
Active · verified 2026-06-14

The visual neural-network explainers

Coursera
Active · verified 2026-06-14

Distribution layer of ML MOOCs since the original Ng course

d2l.ai
Active · verified 2026-06-14

Dive into Deep Learning interactive book; bilingual EN/CN

DeepLearning.AI
Active · verified 2026-06-14

Ng's course ecosystem; The Batch newsletter

fast.ai
Active · verified 2026-06-14

Top-down practical deep learning curriculum

Hugging Face Learn
Active · verified 2026-06-14

Free courses on transformers, RL, agents

Khan Academy (Khanmigo)
Active · verified 2026-06-14

AI tutoring at school scale

MIT OpenCourseWare
Active · verified 2026-06-14

Open university AI/ML courses

Stanford CS231n / CS224n materials
Active · verified 2026-06-14

The canonical open vision and NLP course materials

XuetangX / icourse163
Active · verified 2026-06-14

China's MOOC platforms; required-readings signal for CN canon

Evaluation & Leaderboards
AI Safety/capability evals (Inspect, UK AISI)
Active · verified 2026-06-14

Open-source evaluation framework from a state body

ARC Prize
Active · verified 2026-06-14

Chollet's abstraction-and-reasoning challenge

Artificial Analysis
Active · verified 2026-06-14

Independent price/performance/latency benchmarking of model APIs

Epoch AI (data hub)
Active · verified 2026-06-14

Compute, training-run, and benchmark databases

HELM (Stanford CRFM)
Active · verified 2026-06-14

Holistic, transparent LM evaluation suite

LiveBench
Active · verified 2026-06-14

Contamination-resistant rolling benchmark

LMArena (Chatbot Arena)
Active · verified 2026-06-14

Human-preference ELO for chat models; the de facto public scoreboard

MLPerf (MLCommons)
Active · verified 2026-06-14

Industry-standard hardware/training benchmarks

SWE-bench
Active · verified 2026-06-14

Real-repository software-engineering benchmark

Frameworks & Tools
CUDA
Active · verified 2026-06-14

The moat under NVIDIA; the GPU programming layer

Google Colab
Active · verified 2026-06-14

Free GPU notebooks; the global on-ramp

JAX
Active · verified 2026-06-14

Composable accelerator-native ML (Google)

Jupyter
Active · verified 2026-06-14

The notebook substrate of applied ML

LangChain / LangGraph
Active · verified 2026-06-14

Agent orchestration ecosystem

llama.cpp
Active · verified 2026-06-14

Local inference engine behind the consumer open-model wave

MLflow
Active · verified 2026-06-14

Experiment tracking and model registry (Databricks)

Model Context Protocol (MCP)
Active; industry-adopted · verified 2026-06-14

Anthropic-originated open standard for tool/context connectivity

PyTorch
Active · verified 2026-06-14

The research-default deep learning framework (Linux Foundation)

scikit-learn
Active · verified 2026-06-14

Classical ML standard library

TensorFlow / Keras
Active; declining research share · verified 2026-06-14

The first mass DL framework; Keras 3 multi-backend

vLLM
Active · verified 2026-06-14

The open inference-serving standard

Models, Code & Data
Civitai
Active · verified 2026-06-14

Community hub for image-generation models

Common Crawl
Active · verified 2026-06-14

The web corpus under most LLM pretraining

GitHub
Active · verified 2026-06-14

Where the AI tooling ecosystem lives; Copilot origin

Hugging Face Hub
Active · verified 2026-06-14

The registry of open models, datasets, and spaces

Kaggle
Active · verified 2026-06-14

Competitions, datasets, notebooks; ML on-ramp

LAION
Active · verified 2026-06-14

Open image-text datasets behind the diffusion era

ModelScope
Active · verified 2026-06-14

Alibaba's open-model hub; the CN mirror of HF

Ollama
Active · verified 2026-06-14

Local LLM running standard

OpenML
Active · verified 2026-06-14

Open platform for sharing datasets and ML experiments

Replicate
Active · verified 2026-06-14

Run open models via API

UCI ML Repository
Active · verified 2026-06-14

The classical benchmark dataset archive

Policy & Accountability
AI Incident Database
Active · verified 2026-06-14

Structured registry of AI harms

AI Standards Hub (UK)
Active · verified 2026-06-14

Tracker of AI standards landscape (Turing Institute)

AIAAIC Repository
Active · verified 2026-06-14

Independent log of AI incidents and controversies

EU AI Act Explorer (artificialintelligenceact.eu)
Active · verified 2026-06-14

The reference navigation layer for the Act (FLI)

Foundation Model Transparency Index
Active; periodic · verified 2026-06-14

Stanford's periodic transparency scoring of major developers

IAPP AI Governance Center
Active · verified 2026-06-14

Profession-building for AI governance roles (AIGP)

NIST AIRC
Active · verified 2026-06-14

Resource center around the AI RMF

OECD.AI Policy Observatory
Active · verified 2026-06-14

Global database of national AI policies

Research Infrastructure
alphaXiv
Active · verified 2026-06-14

Discussion and AI-assisted reading layer over arXiv

arXiv
Active · verified 2026-06-14

Preprint server where the field actually publishes

CNKI
Active; access-restricted · verified 2026-06-14

China's dominant academic database; licensed access only

Connected Papers
Active · verified 2026-06-14

Visual citation-graph exploration

Google Scholar
Active · verified 2026-06-14

Default citation lookup, including CN-language coverage

OpenAlex
Active · verified 2026-06-14

Open bibliographic database and API; the citation substrate

OpenReview
Active · verified 2026-06-14

Open peer review for ICLR/NeurIPS and others

Papers with Code
Sunset by Meta mid-2025; archives partly absorbed by Hugging Face, verify current state · verified 2026-06-14

Linked papers, code, and SOTA tables

Semantic Scholar
Active · verified 2026-06-14

AI-powered literature search and citation graph (Ai2)

Zenodo
Active · verified 2026-06-14

DOI-issuing open repository (used for MCS line)