Okular - Okular is a universal document viewer based developed by KDE.
Wazuh - Open Source Host and Endpoint Security
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Riemann - Container Monitoring
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
Fortinet FortiAnalyzer - Fortinet FortiAnalyzer is a powerful product for Security Fabric Analytics and Automation.