2. ScreenshoteerMake website screenshots and mobile emulations from the command line.
3. FemtojsfemtoJS - Really small JavaScript (ES6) library for DOM manipulation.
4. FlexyFlexy is minimal CSS framework made with Flex
7. Ramd.jsramd.js JavaScript library for making web applications.
11. NanojsMinimal standalone JS library for DOM manipulation
16. KatanaKatana is CSS Layout System made with Flexbox
19. 60gs60GS - 60 Columns Grid System based on CSS Grid Layout