GitHub and GitLab support task checklists in Markdown and also project boards which add and remove labels like 'ready' and 'in progress' when cards are moved between board columns; like kanban:
- [ ] not complete
- [x] completed
Other tools support additional per-task workflow states:
- [o] open
- [x (2019-04-17)] completed on date
I worked on a large hospital internal software project where the task was to build a system for reusable checklists editable through the web that prints them out in duplicate or triplicate at nearby printers. People really liked having the tangible paper copy.
"The Checklist Manifesto" by Atul Gawande was published while I worked there. TIL pilots have been using checklists for process control in order to reduce error for many years.
Evernote, RememberTheMilk, Google Tasks, and Google Keep all support checklists. Asana and Gitea and TaskWarrior support task dependencies.
A person could carry around a Hipster PDA with Bullet Journal style tasks lists with checkboxes; printed from a GTD service with an API and a @media print CSS stylesheet:
https://en.wikipedia.org/wiki/Hipster_PDA
I'm not aware of very many tools that support authoring reusable checklists with structured data elements and data validation.
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There are a number of configuration management systems like Puppet, Chef, Salt, and Ansible that build a graph of completable and verifiable tasks and then depth-first traverse said graph (either with hash randomization resulting in sometimes different traversals or with source order as an implicit ordering)
Resource scheduling systems like operating systems and conference room schedulers can take ~task priority into account when optimally ordering tasks given available resources; like triage.
I'll often be on call with customer and create a checklist on MacOS Notes on the fly. Then will copy paste that in slack or github for simple tracking.
Mattermost supports threaded replies and Markdown with checklist checkboxes
You can post GitHub/GitLab project updates to a Slack/Mattermost channel with webhooks (and search for and display GH/GL issues with /slash commands); though issue edits and checkbox state changes aren't (yet?) included in the events that channels receive.
“A simple, free and powerful way to manage your team's recurring checklists and procedures“ https://www.process.st/ Paid features include 3rd party integrations. (Disclaimer: neither a customer nor employee of the company.)
Do any of these let you re-use your checklists, though? Planner at least is pretty useless for this, as I don't think there is a 'reset all items to un-checked' feature, or even basic stuff like re-arranging your list.
Everything in my comment was describing Planner. You cannot re-arrange checklists on a task in Planner on mobile. And I'm not clear if you were describing Planner in your comment, but I just tested the workflow described and it results in a second copy of my task with the same checklist items checked.
