共同ツール 1
https://employment.en-japan.com/engineerhub/entry/2017/10/19/110000
https://trello.com/

共同ツール 2
https://www.google.com/intl/ja_jp/sheets/about/

共同ツール 3
https://slack.com/intl/ja-jp
https://www.dropbox.com/ja/
https://bitbucket.org/
https://ja.atlassian.com/software/sourcetree