6 tools
Federal Reserve Bank of St. Louis · Market & fundamentals data
Free economic database from the St. Louis Fed aggregating hundreds of thousands of US and international time series, with graphs, vintages (ALFRED), an Excel add-in and a keyed JSON/XML API
Interactive Brokers LLC · Financial analysis & investing
Programmatic trading and market-data access to Interactive Brokers accounts through the TWS API, the REST-based Web API and FIX
Gouvernement du Québec — Ministère des Affaires municipales et de l'Habitation · Real estate valuation & property data
Québec's municipal property assessment rolls: per-unit values and building attributes published by municipalities and as open data by the MAMH
Gordian · Construction estimating & quantity surveying
Gordian's construction cost database of unit prices, assemblies and square-foot models with location factors, sold online and in annual books
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
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