mmapeditor/tiledFlexible level editorC++★ 13k stars32% mergedreplies in 7 days19 first-timers mergedreport →Outside contributors get real replies here, and their work gets merged.
ggodotengine/godotGodot Engine – Multi-platform 2D and 3D game engineC++★ 118k stars20% mergedreplies in 7 hours9 first-timers mergedreport →Outside contributors get merged here, though some wait a while for a reply.
mmapeditor/tiledFlexible level editorC++★ 13k stars32% mergedreplies in 7 days19 first-timers mergedreport →Outside contributors get real replies here, and their work gets merged.
ggodotengine/godotGodot Engine – Multi-platform 2D and 3D game engineC++★ 118k stars20% mergedreplies in 7 hours9 first-timers mergedreport →Outside contributors get merged here, though some wait a while for a reply.