assertpy
grappa
Finatra
FinSignals
Finabile
Massive
Finagle
AssemblyAI
FinanSys
Financial Modeling Prep
Finatragrappa - grappa is an declarative, verbose, and expressive assertion library for Python.
FinSignals - FinSignals delivers real-time financial sentiment analysis via a fast, structured API. 7 classification heads, 5-15 ms latency. Free tier available - get your API key in 60 seconds.