14 tools
Apache Software Foundation · Data catalogs & formats
Open table format for data lakes that adds ACID snapshots, schema and partition evolution and time travel over Parquet, ORC or Avro files
European Commission — Eurostat · Open & public data
Statistical office of the European Union publishing harmonised EU and member-state data through the Data Browser, bulk downloads and SDMX/JSON APIs
Hono project (Yusuke Wada and contributors) · Web frameworks & UI
Small TypeScript web framework built on Web Standard APIs that runs unchanged on Cloudflare Workers, Deno, Bun, Node.js and other JavaScript runtimes
International Monetary Fund · Open & public data
The IMF's statistical portal for World Economic Outlook, fiscal, balance-of-payments, reserves and price datasets with SDMX 2.1 and 3.0 APIs
Payward, Inc. (Kraken) · Financial analysis & investing
REST, WebSocket and FIX interfaces to the Kraken cryptocurrency exchange for market data, spot and derivatives trading and account management
Internet Security Research Group (ISRG) · DNS & domains
Nonprofit certificate authority that issues free, automatically renewable TLS certificates through the ACME protocol
Model Context Protocol, a Series of LF Projects, LLC (originated by Anthropic) · Agent frameworks & orchestration
Open JSON-RPC standard for connecting AI applications to tools, data and prompts through servers, now stewarded under the Linux Foundation with SDKs in many languages
Bloomberg L.P. (FIGI Registration Authority) · Market & fundamentals data
Free API and web tool from Bloomberg for mapping tickers, ISINs, CUSIPs and other identifiers to public-domain FIGI instrument identifiers, with search and filter endpoints
OpenStreetMap Foundation · GIS & mapping
Collaboratively edited world map database released under the ODbL, with planet files, an editing API and derived tiles and extracts
Roland Olbricht and the OpenStreetMap community · GIS & mapping
Read-only query service for OpenStreetMap data using the Overpass QL language, available on public instances or self-hosted
U.S. Securities and Exchange Commission · SEC/EDGAR & corporate filings
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
Statistics Canada (Government of Canada) · Open & public data
Canada's national statistical agency publishing census, economic and social data tables with open licensing and programmatic access via Web Data Service
W3C Web Authentication Working Group (with the FIDO Alliance) · Identity & access
W3C standard defining the browser API for creating and using public-key credentials, the basis of passkeys and FIDO2 hardware-key authentication
World Bank Group · Open & public data
Free access to World Bank development indicators by country and year through a web portal, bulk downloads and a public REST API
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