Audit benchmark and commodity source and hosted data free tiers (#688)

README.md

@@ -436,7 +436,7 @@ A curated list of insanely awesome libraries, packages and resources for Quants
 - [newyorkfed](https://github.com/moshejs/newyorkfed) - `TypeScript` - Client for the NY Fed Markets Data API: SOFR/EFFR/OBFR reference rates, SOFR averages and index, and SOMA holdings; no API key required.
 - [commitments-of-traders](https://github.com/moshejs/commitments-of-traders) - `TypeScript` - Client for the CFTC Commitments of Traders reports (Legacy, Disaggregated, TFF; futures-only and combined) via the official Socrata API.
 - [The Gold Barometer](https://github.com/thegoldbarometer/data) - `Python` - Daily gold buying-conditions score (0-100), free JSON API and CC BY dataset back to 1971.
-- [OpenChainBench](https://openchainbench.com) - `Go` `TypeScript` - Continuous open-source benchmarks for blockchain RPC latency (22 EVM chains + Solana), perp DEX all-in cost (fees + funding), bridge quote fees, and oracle deviation across Chainlink/Pyth/Redstone. MIT licensed, no API key. [GitHub](https://github.com/ChainBench/OpenChainBench)
+- [OpenChainBench](https://openchainbench.com) - `Go` `TypeScript` - Open benchmark harnesses for blockchain RPC latency, perpetual-market execution costs and funding, bridge quotes, and oracle price deviations. [GitHub](https://github.com/ChainBench/OpenChainBench)
 - [defeatbeta-api](https://github.com/defeat-beta/defeatbeta-api) - `Python` - An open-source alternative to Yahoo Finance's market data APIs with higher reliability.
 - [financekit-mcp](https://github.com/vdalhambra/financekit-mcp) - `Python` - MCP server (Model Context Protocol) exposing 17 tools for AI agents to perform quantitative analysis: real-time stock quotes, full technical analysis (RSI, MACD, Bollinger, ADX, Stochastic, ATR, OBV + pattern detection with structured verdicts), crypto prices via CoinGecko, risk metrics (VaR, Sharpe, Sortino, Beta, Max Drawdown), correlation matrix, options chains, earnings calendar, sector rotation, and portfolio analysis. Works with Claude Desktop, Cursor, Windsurf. No API keys for core tools. FastMCP 3.2.
 - [pricehub](https://github.com/eslazarev/pricehub) - `Python` - Unified package for collecting OHLC prices from Binance, Bybit, Coinbase, OKX, Kraken, KuCoin, and Bitget (spot & futures) into a DataFrame, with flexible timestamp inputs and a wide range of intervals.
@@ -485,9 +485,8 @@ A curated list of insanely awesome libraries, packages and resources for Quants
 - [investpy](https://github.com/alvarobartt/investpy) - `Python` - Financial Data Extraction from Investing.com with Python! <https://investpy.readthedocs.io/>.
 - [yliveticker](https://github.com/yahoofinancelive/yliveticker) - `Python` - Live stream of market data from Yahoo Finance websocket.
 - [bbgbridge](https://github.com/ran404/bbgbridge) - `Python` - Easy to use Bloomberg Desktop API wrapper for Python.
-- [SiftingIO](https://github.com/SiftingIO/sdk-python) - `Python` - A python library for Sifting.io financial market data APIs & Websocket.
 - [alpha_vantage](https://github.com/RomelTorres/alpha_vantage) - `Python` - A python wrapper for Alpha Vantage API for financial data.
-- [oilpriceapi](https://github.com/OilpriceAPI/python-sdk) - `Python` - Python SDK for real-time oil and commodity prices (WTI, Brent, Urals, natural gas, coal) with OpenBB integration.
+- [oilpriceapi](https://github.com/OilpriceAPI/python-sdk) - `Python` - Commodity-price API client with local moving averages, RSI, MACD, Bollinger Bands and ATR calculations on supplied data.
 - [FinanceDataReader](https://github.com/FinanceData/FinanceDataReader) - `Python` - Open Source Financial data reader for U.S, Korean, Japanese, Chinese, Vietnamese Stocks.
 - [pystlouisfed](https://github.com/TomasKoutek/pystlouisfed) - `Python` - Python client for Federal Reserve Bank of St. Louis API - FRED, ALFRED, GeoFRED and FRASER.
 - [python-bcb](https://github.com/wilsonfreitas/python-bcb) - `Python` - Python interface to Brazilian Central Bank web services.
@@ -495,7 +494,6 @@ A curated list of insanely awesome libraries, packages and resources for Quants
 - [market-prices](https://github.com/maread99/market_prices) - `Python` - Create meaningful OHLCV datasets from knowledge of [exchange-calendars](https://github.com/gerrymanoim/exchange_calendars) (works out-the-box with data from Yahoo Finance).
 - [tardis-python](https://github.com/tardis-dev/tardis-python) - `Python` - Python interface for Tardis.dev high frequency crypto market data.
 - [lake-api](https://github.com/crypto-lake/lake-api) - `Python` - Python interface for Crypto Lake high frequency crypto market data.
-- [tessera-api](https://github.com/tesseralytics/python-client) - `Python` - Official client for Tessera: order-flow-enriched OHLCV, funding-rate, and positioning datasets built from raw Hyperliquid trades, read straight into Polars or DuckDB over a REST API. [Website](https://tesseralytics.dev)
 - [tessa](https://github.com/ymyke/tessa) - `Python` - simple, hassle-free access to price information of financial assets (currently based on yfinance and pycoingecko), including search and a symbol class.
 - [pandaSDMX](https://github.com/dr-leo/pandaSDMX) - `Python` - Python package that implements SDMX 2.1 (ISO 17369:2013), a format for exchange of statistical data and metadata used by national statistical agencies, central banks, and international organisations.
 - [cif](https://github.com/LenkaV/CIF) - `Python` - Python package that include few composite indicators, which summarize multidimensional relationships between individual economic indicators.
@@ -715,6 +713,8 @@ A curated list of insanely awesome libraries, packages and resources for Quants
 - [Reddit WallstreetBets API](https://tradestie.com/apps/reddit/api/) - Free WallstreetBets ticker mentions and sentiment API with historical date queries and a limit of 20 requests per minute per IP, without an API key.
 - [Telonex](https://telonex.io) - Prediction-market data service with free market metadata and tag datasets without an account, while tick-level data requires paid access after five trial file downloads.
 - [UniRateAPI](https://unirateapi.com) - `Python` - Currency exchange rates, conversion and VAT data with a permanent free tier of 200 requests per day and no credit card; historical data require a paid plan. [GitHub](https://github.com/UniRate-API/unirate-api-python)
+- [SiftingIO](https://sifting.io) - `Python` - Market data over REST and WebSocket with a permanent free non-commercial tier per market: 10,000 monthly REST calls, 60 requests per minute, five streaming symbols and one month of history, without a credit card. [GitHub](https://github.com/SiftingIO/sdk-python)
+- [Tessera](https://tesseralytics.dev) - `Python` - Hyperliquid order-flow-enriched minute OHLCV with a permanent free tier covering BTC, ETH, SOL and HYPE over the trailing month, with unlimited Parquet downloads and no credit card. [GitHub](https://github.com/tesseralytics/python-client)
 - [ValueRay](https://www.valueray.com/api) - Technical, quantitative and sentiment data for stocks and ETFs with risk metrics, peer percentiles and market regime signals. Optimized for AI/LLM agents.
 - [VantageGrid](https://vantagegrid.pro/) - Trade-review workspace with a permanent free tier for 25 trades per month, CSV imports and P&L, win-rate and R-multiple analytics without payment information.
 - [VertData](https://vertdata.com) - Institutional-grade financial intelligence platform. Track 43K+ congressional trades (STOCK Act), SEC insider Form 4 filings, 25 superinvestor 13F portfolios, CFTC futures positioning, ARK ETF holdings, and short interest — all scored by AI for signal strength.