GUI toolkits

Andreia Gaita is giving a talk at this year's OSCON, titled Confessions of a cross-platform developer. She's a long-time open source and Mono contributor, and develops primarily in C#/C++. Andreia works at GitHub, where she's focused on building the GitHub Extension manager for Visual Studio. I caught up with Andreia ahead of her talk to ask about cross-platform development and what she's learned in her 16 years as a cross-platform developer...