I am going to start working on a project for a client.
I will need daily supervision from the client: at the end of the day, I'll write down what I've done, the difficulties I found, etc.
Then, for each of my notes, the client can make comments to steer the project in the right direction. A discussion might emerge between me and the client about the work of a specific day.
I need a web application that I can use for this. It must be free, it can be installable but I don't really like to spend time maintaining it. Having attachments would be a nice addition.
I am not looking for project management software per se. Too many functions that I won't use: bugs, to-do list, time tracking, wikis...
With this information, I evaluated some possibilities:
Host a blog or a discussion forum, make it private and create a post/thread per day. Seems a bit hacky, and I have to host.
Basecamp. It looks like a decent solution (it has discussions) but it's not free.
To-do lists (Asana, Wunderlist, etc). They are just that, to-do lists. No discussion.
Trello. I can have a board for the project and create a card per day. Although it's not perfect, Trello has nice discussion/commenting functionalities. Also it has attachments and can be used for other projects that may arise.
Trello is my favorite solution at the moment, but I'm not still convinced. Do you know any web application that could fit my needs?
PS: I understand this is not off-topic since the FAQ specifies app recommendations unless prior research is shown.