LibreOffice, Impress, presentation, ODF, open standards
LibreOffice - Microsoft Apps
Impress LibreOffice - Free Office Suite - Based on OpenOffice - Compatible with Microsoft
LibreOffice vs. Microsoft Office: Can Libre Really Replace Microsoft? - History-Computer
LibreOffice vs OpenOffice LibreOffice - Free Office Suite - Based on OpenOffice - Compatible with Microsoft
Ditch Office 365: 3 free Microsoft office alternatives for Windows, Linux and macOS - News
LibreOffice Technology LibreOffice - Free Office Suite - Based on OpenOffice - Compatible with Microsoft
StarOffice - Wikipedia
Apache OpenOffice Suite - Ubuntu Docs!
LibreOffice Online LibreOffice - Free Office Suite - Based on OpenOffice - Compatible with Microsoft
LibreOffice -- Bye Microsoft Office!!!
LibreOffice - Microsoft Apps
LibreOffice vs OpenOffice
OpenOffice vs LibreOffice: A Detailed Comparison of Free Office Suites
10 great LibreOffice-only features - The Document Foundation Blog
LibreOffice vs. OpenOffice, which is better for Windows 10?