>> 콜라비
https://www.collab.ee/
>> 잔디
http://blog.jandi.com/ko/2015/09/24/slack-vs-jandi/
>> 스파크
http://www.cisco.com/web/KR/about/news/2015/1-4/news_0319.html
>> 팀업
https://www.tmup.com/
일정 관리
>> 두들
http://doodle.com/
>> 콜라비
https://www.collab.ee/
>> 잔디
http://blog.jandi.com/ko/2015/09/24/slack-vs-jandi/
>> 스파크
http://www.cisco.com/web/KR/about/news/2015/1-4/news_0319.html
>> 팀업
https://www.tmup.com/
일정 관리
>> 두들
http://doodle.com/