organizations that have been using riak are stepping up to maintain it (at least until they find an alternative), as riak is open source.

How would the previous sentence be correctly capitalized?
Answer: Organizations that have been using Riak are stepping up to maintain it (at least until they find an alternative), as Riak is open source.
dedicated to providing a vision for a sustainable world, worldwatch has long been advocating for such an integrated approach to energy development.

How would the previous sentence be correctly capitalized?
Answer: Dedicated to providing a vision for a sustainable world, Worldwatch has long been advocating for such an integrated approach to energy development.
djugashvili had good organizational skills.

How would the previous sentence be correctly capitalized?
Answer: Djugashvili had good organizational skills.
chinese lesson 1.2: chinese writing

How would the previous sentence be correctly capitalized?
Answer: Chinese lesson 1.2: Chinese writing