One of the largest open-source TEM data analysis communities.

Focus:

• EDS analysis
• EELS analysis
• 4D-STEM
• Spectrum imaging
• Machine learning workflows

Community:

• Academic researchers
• Electron microscopy software developers
• Materials scientists

Why it matters:

• Widely used in universities
• Strong GitHub ecosystem
• Frequently cited in publications

Focus:

• High-speed 4D-STEM processing
• GPU acceleration
• Real-time analysis

Community:

• Detector developers
• Data scientists
• 4D-STEM researchers

Why it matters:

• Strong momentum in next-generation microscopy
• Open architecture

Originally developed around the Berkeley 4D-STEM ecosystem.

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Focus:

• 4D-STEM
• Strain mapping
• Ptychography
• Diffraction analysis

Community:

• Berkeley Lab
• University of Washington
• Cornell
• National labs

Why it matters:

• One of the fastest growing TEM software projects

Focus:

• STEM image acquisition
• Live instrument control
• Data management

Community:

• Nion users
• STEM developers
• Open instrument-control enthusiasts

Why it matters:

• One of the few open-source acquisition platforms

Focus:

• EELS
• Spectroscopy
• Data analysis

Community:

• Spectroscopy researchers
• Pycroscopy ecosystem

Focus:

• Scientific imaging
• Electron microscopy
• Scanning probe microscopy
• Machine learning

Community:

• National labs
• University research groups