orion-viewer is queued for analysis. Crawling candidates and ranking them takes a few minutes. This page updates itself when the list exists — you can also come back later.
What is known so far comes from the other direction:
These projects were analysed and named orion-viewer among their alternatives. The relationship is not symmetric — how orion-viewer rates them is a separate judgement, made when orion-viewer is analysed in its own right.
calls orion-viewer “choose for a lightweight Android PDF/DjVu/CBZ viewer, but it lacks KOReader's other formats and e-ink mode.”
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
calls orion-viewer “Choose for an Android viewer specialized in PDF/DJVU/CBZ; no ebook manager or sync.”
A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web
calls orion-viewer “Choose it for an Android PDF/DjVu viewer if you don't need EPUB or multi-format support.”
Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.
calls orion-viewer “Use it for Android PDF/DJVU/CBZ/TIFF viewing with mupdf/djvulibre, not for EPUB/MOBI.”
Featuring powerful AI capabilities and supporting various e-book formats, it makes reading smarter and more focused.