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Dear ImGui
A mature C++ immediate-mode GUI library providing windows, widgets, docking, tables, and multi-viewport support for engine editors, profilers, and developer tools.
Visit official siteContent updated Aug 3, 2026Automated check reached the official site · Checked Aug 24, 2026
Why use it
It minimizes state-management boilerplate, letting small teams ship usable level debugging, live tuning, and content inspection tools while integrating with many rendering backends.
Where it fits
Find engines, frameworks, code libraries, version control, and production automation.
toolsengine-programmingdebugging
What to check
It targets programmer tooling rather than polished player UI; accessibility, animation, theming, and production interaction patterns require additional work, as do platform and renderer backends.