Projects I created or maintained

Here are some projects created/maintained by me:

I also contribute many other opensource projects, includes:

The Julia Programing Language: a general purpose programming language, which is optimized for technical computing, I also contribute to many projects/packages in the Julia ecosystem;
Orgmode: a document editing, formatting, and organizing mode for and built-in in Emacs;
PDFium: a PDF library from Google,the PDF component for Chromium;
Skia: an open source 2D graphics library from Google;
PostgreSQL: a powerful, open source object-relational database system.