Which platform is suitable for coordinating a large-scale social project?

Question

CMS

Tell me, please, a platform with the functionality of a social network and CMS. Needed for coordination of project participants from different regions of the Russian Federation and other countries, discussions, joint collection and evaluation of materials, etc.
Minimum requirements:
intuitive interface,
the ability to assign tags to materials,
communities.
Ideally - geolocation, low price, because. while it is not about an organization, but about a community of people helping children and women in a crisis situation.

Answer 1

Have you considered Bitrix 24?

Answer 2

I would use Podio.com - they have a free plan for social projects. I can help with the setup if you are really doing something good.

Answer 3

Try worksection.com, there are smart guys who help in the development of various social and charitable projects.

Answer 4

Try the Chinese product Discuz. I worked with him a couple of years ago. very functional and suitable for your purposes. There is also a Russian translation. Or you can try LiveStreet or the same altocms

Answer 5

If you're not afraid to store documents in the cloud, try Microsoft's Yammer. As a coordination of project participants - an ideal solution, with the ability to add participants to the project from the side of the Customer.

Answer 6

Thanks for the answer.
Sher will not work – now we are working with him in the company, there are problems at every step. No social at all. On the other hand, there are many things that are not needed.

Answer 7

Comparison of several corporate social networks - look here
supereon.ru/blog/esncomparison1

Answer 8

JoomlaSoc, Dolphin