Open-source stock market tools
Tools you can read, fork and run yourself — with the licence each one carries.
54 tools
Categories answer “what job is this bought for”. These answer the questions that cut across all of them — what can I run myself, what is actually live rather than delayed, what drops into a spreadsheet.
Tools you can read, fork and run yourself — with the licence each one carries.
54 tools
Runs on your own machine or server: no vendor account holding your positions.
68 tools
Exchange-live prices rather than 15-minute delayed or end-of-day bars.
65 tools
Tools with a spreadsheet add-in, for people whose model already lives in a sheet.
28 tools
Everything here that can filter a universe by criteria — from the screener you sit in front of to the endpoint inside an API.
105 tools
Chains, greeks, implied volatility and options history — and the OPRA fee that sits under all of it.
107 tools
Continuous contracts, order flow and per-exchange data fees — the tools that treat futures as a first asset class.
91 tools
FX rates, pairs and histories — and the question every one of them raises: whose prices are these?
96 tools
Everything here that can replay a strategy or an allocation against history — from a browser tester to a Python engine — and what each one assumes about fills.
84 tools
Every card with a model in it, sorted by what the model does: drafts and explains, reads filings with citations, or issues a verdict.
94 tools