autosave3 backup restore1 bootstrap1 brainstorming tool1 checklist1 crm addon1 desktop companion1 diagram tool1 draft1 drawing module1 excalidraw1 floating widget1 form1 json import export1 local storage1 note taking1 offline notes1 pdf export1 perfex crm module1 perfex extension1 perfex whiteboard1 personal organizer1 productivity1 project planning1 pyside61 recovery1 restore1 rich text editor1 sqlite1 task list1