Directory

6 tools

Apache Software Foundation · Data catalogs & formats

Open columnar file format for analytical data with compression, encodings and statistics, readable by nearly every data engine and library

Apache-2.0Open sourceFreeLocalNov 2, 2026

Let's Encrypt

Internet Security Research Group (ISRG) · DNS & domains

Nonprofit certificate authority that issues free, automatically renewable TLS certificates through the ACME protocol

MPL-2.0FreeNov 2, 2026

Model Context 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

Open sourceOpen sourceFreeLocalSelf-hostedNov 2, 2026

OpenStreetMap

OpenStreetMap Foundation · GIS & mapping

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

ODbL-1.0FreeSelf-hostedNov 2, 2026

SEC EDGAR

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

ProprietaryFreeNov 2, 2026

Statistics Canada

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