[liberationtech] Recommendations for tools that meet these specs / Collaboration Suite

[Robert Guerra]

Dear Libtech colleagues, 

I'm looking for recommendations for a collaboration suite that fits the following criteria for a colleague:

The suite ideally would have 2 key (and logically separate) pieces. 

- First, an XMPP server that is encrypted/OTR (i.e. real-time chat). That’s easy enough to get set up and can be a space where participants communicate with one another. 

- Second, however, is a collaborative document repository/authoring space. This space would necessarily include:

(1) tagging of documents (original and collaboratively written);
(2) co-authoring of documents, real-time, ideally with revision/commenting capabilities;
(3) locally hosted and can be encrypted at rest when the system does not have a user logged in;
(4) ability to associate original documents with those that are collaboratively written (ideally this might involve an internal hyperlink capability between documents)
(5) document generation would permit writing documents that could be output to a few standard formats (e.g. .doc/docx/pdf/html)
(6) collaborative content generation tools would permit for both spreadsheet and long-form text documents that include images and graphs; 
(7) granular access controls (i.e. we can identify who can/cannot access documents) with controls permitting granular access to stored data instead of users necessarily having access to ALL retained data.
(8) encrypted connections to the document(s) that are locally hosted and generated

- While not required, it would be *incredibly* handy to have some .pdf annotation and OCR functionality. 

Any advice, suggestions, questions and recommendations are welcome.

Thanks in advance

Robert