Zabbix - Track, record, alert and visualize performance and availability of IT resources
Wondershare PDFelement - All-in-one PDF editor
Prometheus - An open-source systems monitoring and alerting toolkit.
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Fluent Bit - Data collector and log forwarder.
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.