Directory

Unified API gateway to hundreds of models from many providers with automatic fallbacks, credit-based pass-through billing, BYOK, free models and data-policy routing

Collaboratively edited world map database released under the ODbL, with planet files, an editing API and derived tiles and extracts

Read-only query service for OpenStreetMap data using the Overpass QL language, available on public instances or self-hosted

The SEC's free public filing system: company and full-text search, bulk index and feed archives, and data.sec.gov JSON APIs for submissions and XBRL financial facts, subject to a fair-access rate policy

Canada's national statistical agency publishing census, economic and social data tables with open licensing and programmatic access via Web Data Service

Cloud platform for open-source models: serverless and dedicated inference, fine-tuning, GPU clusters, batch jobs and code sandboxes behind an OpenAI-compatible API

Hosted embedding and reranking models for retrieval, including code, finance, law and multimodal variants, offered by MongoDB with a free token allowance and pay-as-you-go API

W3C standard defining the browser API for creating and using public-key credentials, the basis of passkeys and FIDO2 hardware-key authentication

ML experiment tracking, sweeps, artifacts and model registry plus Weave for LLM tracing and evaluation, now sold by CoreWeave within its Forge platform with a free academic tier

Institution-subscribed research data platform from Wharton hosting CRSP, Compustat, TAQ, OptionMetrics and dozens of other vendors' databases with web queries, SQL, SAS, Python and R access

Free access to World Bank development indicators by country and year through a web portal, bulk downloads and a public REST API