Which one should I pick for a new project?

I can only make a limited recommendation based on the available signals — both repos serve different purposes, so it depends on your actual project needs.

mzying2001/cefflashbrowser is a Flash browser application (C#/C++/WPF). Pick this if you need:

• Flash content rendering in a .NET application
• SOL file (Flash save data) management
• CefSharp browser integration with Flash support

Risk assessment: Single-maintainer project with weak OpenSSF Scorecard (2.5/10), no CI/CD tests (0/10), and no security policy. The RepoPilot verdict is WAIT. However, dependency security is clean (0 CVEs scanned). Architecture grade is C (50/100) with unparseable import data. Good for reference or small personal projects; higher risk for production or critical applications.

nickemanarin/screentogif is a screen recording/GIF creation tool (C#/WPF). Pick this if you need:

• Screen capture and GIF export functionality
• Animation editing capabilities
• Localization/translation infrastructure

Risk assessment: Not deeply analyzed in the data provided, but it has active community contribution guidelines [CONTRIBUTING.md:L1-L6] and appears more mature with donation/support infrastructure.

Recommendation:

• If you're building with Flash support, use cefflashbrowser as a library reference or starting point — but understand the maintenance risk.
• If you're building a screen recording tool, examine screentogif more closely.
• If neither matches your core need, both are learning resources rather than production dependencies.

What's your actual project requirement?

FOLLOW_UPS:

• Do you need Flash rendering capabilities specifically?
• Is this for production or educational/personal use?
• Are you considering adopting either as a dependency?