Wondershare PDFelement - All-in-one PDF editor
Anima App - Design, get feedback, convert to code, publish, iterate.
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Timeline for Sketch - Create beautiful timeline animations in Sketch
Foxit PhantomPDF - Edit PDF files with our feature-rich PDF Editor. Download Foxit PDF Editor to convert, sign, scan / OCR & more. A speedy PDF Editor alternative to Adobe Acrobat.
BuilderX - Design to code, designers and developers on one platform.