DUCKQUANT / THE QUANT & AI DIRECTORY
14,444 resources, ranked by in-directory PageRank
Showing 7,201–7,236 of 14,444 resources
Python parser for XBRL financial statement documents used in regulatory filings.
Python package for retrieving Morningstar fund and equity data.
Open-source monitoring system and time-series database with a powerful query language.
Open-source binary encoding and storage format for high-performance market data messages.
Cloud data warehouse commonly used to host and share financial and alternative datasets.
Column-oriented OLAP database widely deployed for tick storage and financial analytics.
Columnar on-disk file format that has become the default storage layout for historical market data.
Cross-language columnar memory format and flight RPC used for high-performance financial data transfer.
Distributed event streaming platform commonly used to transport real-time market data feeds.
Workflow scheduler widely used to orchestrate market data ingestion and ETL pipelines.
Marketplace and discovery platform for alternative data vendors and buyers.
Alternative datasets derived from web activity, job postings, e-commerce and location data.
Free open-source exchange-rate API built on European Central Bank reference rates.
Consumer transaction panel data used to track company revenue trends from credit-card spending.
SQL-driven ELT pipeline builder for data lakehouse workloads.
Alternative credit and consumer data provider for emerging markets, especially Southeast Asia.
Foot-traffic location analytics derived from mobile devices, used for retail and real-estate research.
Financial data MCP server and Python SDK exposing base data and factor sets to AI agents.
Community Python wrapper for Polygon.io covering stocks, options, streaming, forex and crypto.
Statistical data validation library for pandas, polars and pyspark dataframes.
Open-source ETF portfolio trading assistant and research workspace.
Open standard for data lineage and job metadata collection across pipelines.
Open-source data validation framework used to assert quality rules on financial data pipelines.
Python package fetching Taiwan listed and OTC stock prices including real-time ticks.
Low-cost historical and real-time US options and stock data APIs with full tick and quote history.
Official Python client for Databento historical and live market data.
Open-source metadata platform providing data discovery, lineage and governance.
Developer API and CLI from Longbridge giving real-time HK and US market data plus trading.
Open Taiwan-focused financial database with 50+ datasets updated daily and a Python API.
Zero-dependency JavaScript SDK for fetching Chinese stock market data without a backend.
HTTP API server that exposes AkShare financial data interfaces over REST for any language.
Opinionated open-source time-series database built on PostgreSQL and ClickHouse.
High-performance time-series database from FINOS for capital-markets message data.
Time-series database combined with MQTT, HTTP and data visualization for edge and server use.
CNCF sandbox distributed time-series database for high-concurrency workloads.
Cloud-native open-source distributed time-series database with high compression.
