HeySpace - HeySpace is the only free task and simple project management software with communication and collaboration feature.
Slack Jira Integration - Easily keep issues moving right from Slack
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Standuply - Run daily standup meetings and track your metrics in Slack
Jeski - Many projects, multiple boards, one Jeski
Standup Bot - An easy to use bot that automates your team’s standups, check-ins or any kind of recurring status update meetings, without breaking the bank.