Dialer apps and contacts apps are a bit of a niche market. In most cases, the stock dialer and contacts apps are more than good enough. Maybe you want something a little different, though.

SMS, Fax, Voice Broadcasting and auto dialer Software, A unified communications open source autodialer developed over freeswitch communication engine and ICTCore communications framework ...

快图设计-基于fabric.js和Vue的开源图片编辑器，可自定义字体、素材、设计模板。fabric.js and Vue based image editor, can customize fonts, materials, design templates.