adamrice / #productivity

https://www.infolio.co/

collaborative project-management web tool

http://www.pagico.com/

project-management software. Has team version

http://www.smartsheet.com/

Spreadsheet-style web-based project management

https://www.meistertask.com/

Trello-like personal kanban task management

http://www.fengoffice.com/web/opensource/

Self-hosted web-based office suite

https://trello.com/

Project-management web app. Recommended on TidBits. Apparently based on/similar to a system called "personal kanban"

https://workflowy.com/

web-based list-making tool