With tools for data mining, natural language processing, machine learning, network analysis, etc.
Textgain Academy offers hands-on Grasp training courses for interested OSINT researchers. It comes bundled with an optional data visualization engine (svg.py, 40KB) for rendering 2D graphics.
A free, lightweight AI toolkit for Python, with tools for data mining, natural language processing (NLP), machine learning (ML) and network analysis. It has 300+ fast and essential algorithms, with ~25 lines of code per function, self-explanatory function names, no dependencies, bundled into one well-documented file: grasp.py (200KB).