OCR software, free and offline. 开源、免费的离线OCR软件。支持截屏/批量导入图片，PDF文档识别，排除水印/页眉页脚，扫描/生成二维码。内置多国语言库。

Maple Mono: Open source monospace font with round corner, ligatures and Nerd-Font for IDE and command line, fine-grained customization options. 带连字和控制台图标的圆角等宽字体，中英文宽度完美2:1，细粒度的自定义选项

certbot'renewing letencrypt certificate plugin - automatic verification aliyun/tencentyun/godaddy dns

CANopen nodes and services implemented in Python 3 for a Rasbperry Pi