Looker - Looker makes it easy for analysts to create and curate custom data experiences—so everyone in the business can explore the data that matters to them, in the context that makes it truly meaningful.
Okular - Okular is a universal document viewer based developed by KDE.
QlikSense - A business discovery platform that delivers self-service business intelligence capabilities
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Owler - Owler is a crowdsourced data model allowing users to follow, track, and research companies.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.