Crowdin - Localize your product in a seamless way
iA Writer - Minimal Design, Maximum Focus
CleanPix - CleanPix is a digital media management software solution.
MacDown - MacDown is an open source Markdown editor for OS X, released under the MIT License.
Pics.io - Pics.io is a cloud service that people can use to manage their creative content and files, collaborate with their peers on this content, and then share it with their clients. Read more about Pics.io.
MWeb - Pro Markdown writing, note taking and static blog generator