1. ReportServer
AGPL
https://reportserver.net/en/
2. LibreOffice
GPL
http://www.libreoffice.org/
3. 우분투 데스크탑 필수앱 21 소개
http://www.oss.kr/oss_news/664631
4. jasperreports
http://blog.naver.com/PostView.nhn?blogId=nonedaum&logNo=67583724
5. ZK Spreadsheet demo
http://zssdemo.zkoss.org/zssdemo/integration