PDFAmigo - Create interactive, fillable PDF forms in your browser.
PDF Joiner - This online tool allows you to join several PDF documents into a single file, free of charge.
PlatoForms - Convert PDFs to forms and let people fill them easily.
PDFChef Merge PDF - PDFChef Merge PDF is an online tool that allows you to merge multiple PDf files into one quickly and securely.
Adobe Fill & Sign - Fill and sign any form, even snap a picture of a paper form to fill out.
PDFill - Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat