百度开源的web编辑器，基于bsd授权，代码简洁，易于使用，非常强大-Baidu open source web editor, based on bsd licensed, code is simple and easy to use and very powerful

Ueditor是由百度web前端研发部开发所见即所得的编辑器，具有轻量，可定制，注重用户体验等特点。Ueditor基于BSD开源协议，除了具有代码精简、加载迅速的轻量级特质外，还采用了分层理念，使开发者可以根据实际应用和需求自由定制-Ueditor is Baidu web front-end R & D department to develop WYSIWYG editor, with a lightweight, customizable, and focus on user experi

SumatraPDF 3.0 官方源码.支持多种格式的阅读器：PDF, EPUB, MOBI, FB2, CHM, XPS, DjVu-SumatraPDF 3.0 source code. SumatraPDF is a multi-format (PDF, EPUB, MOBI, FB2, CHM, XPS, DjVu) reader for Windows under (A)GPLv3 license, with some code under BSD license (see AUTHO