NightPDF has been discontinued. Similar apps include SumatraPDF, which is free and open source. Other options are Okular, Foxit PDF Reader, Xournal++ and PDF-XChange Editor. There's no shortage of PDF Readers like NightPDF, with more than 100 alternatives for Windows, Mac, Android, iPhone and Linux.
Altarsoft PDF Reader is a program for viewing and editing PDF files.
Main Features:
Russia
DjVu & PDF reader for Symbian OS 9.1, 9.2, 9.3, 9.4 The program is based on Poppler, DjvuLibre.
Lokaltools is a privacy-first, browser-based toolkit with 100+ tools across 8 categories. Everything runs entirely in your browser using WebAssembly — no files are ever uploaded to a server, no account is required, and nothing ever leaves your device.
Malaysia
There is no PDF document that cannot be opened for viewing with a reader or viewer. There are many PDF readers to choose from, and more and more are paid now. If you want to avoid paying for software, Speedpdf Reader is a good free PDF reader for you.
China
pdfDocs integrates with business systems to efficiently assemble, secure and distribute documents in PDF and PDF/A format.
Australia
An attorney who deals with a lot of PDFs set himself with the task of finding a way to preview the PDFs in Windows Explorer (much like Cover Flow view already does in Mac OS X) without actually opening them.
PDF Professional is a feature-rich PDF solution for reading, annotating, form-filling, editing, signing, converting PDFs on your Mac, iPhone and iPad.
United States
modern computer flatboat is a mobile pdf viewer written in Qt and using MuPDF's libfitz.
PDF Assistant - simple in use application, that let you easily interact with any pdf file. Provides ability to make adjustments into pdf and annotate files and user friendly interface will make working with the application simple and convenient.
TagNotate is a PDF viewer and annotator with the unique ability to assign tags to annotations - you can create as many different tags as you want, allowing you to associate with each annotation whatever kinds of information are important for you.
United States
PerfectReader is a powerful PDF Reader & Annotator.
Features
PDF ANNOTATING The long-awaited feature now comes to PerfectReader 2. You now can mark up texts (highlight, underline, strikeout), handwrite with the Ink tool, create Sticky Notes, and make FreeTexts. Annotation.
