Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
RSSme - RSSme is free, lightweight and user-friendly RSS editor.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Feed Launch .NET - Feed Launch .NET is an open-source feed editor for RSS 2.0 and ATOM 1.0 Feeds.
Wondershare PDFelement - All-in-one PDF editor
Feeder by Reinvented Software - Feeder is for creating, editing and publishing RSS feeds on macOS.