reader

Highly experimental code for planetary image stacking with OpenCV

Toji is a document reader for Haiku, extended for SEN, for reading, annotating, and linking your thoughts - from Tsundoku to Tori.

Yuedu is a native iOS reader that supports multiple book formats, RSS subscriptions, and user-provided book sources.

An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices

PNL Reader: read quietly or read aloud

Converts Markdown to a structured JSON format.

IOStreams is a streaming library for Ruby that makes compression, encryption, file format, and storage location transparent to your code. Read and write files of any size, one block at a time, whether they are gzip, zip, or PGP encrypted, and whether they live on local disk, AWS S3, SFTP, or are fetched over HTTP.

Chrome extension (MV3) that turns any article into a calm two-page open-book reader — fully local, nothing sent to the developer. Open source (MIT).

A browser for reading: no JavaScript, no site CSS. It reduces a page to Markdown on your own machine and sets it in the typography you chose — and reads Markdown docs straight out of git repositories.

A highly customizable UI plugin for KOReader that features a home screen, bottom navigation bar, top bar and desktop modules/widgets.

Read and listen to your books on Android, from any of several supported sources.

Pdf Reader - Little App

A terminal markdown reader: file browser on the left, rendered markdown on the right. Bun and Node, built on HQTUI.

Single Binary Go Novel Importer, AI Translator & Distraction-Free Web Reader

Open library and reader for web novels

High-performance, low-allocation Excel (.xlsx, .xlsb, .xls, .csv) reader and writer for .NET 10, with Native AOT support and C++/Rust/Python bindings.

Solid and Fast CSV Reader and Writer Leveraging SIMD Operation and the Vector API

Best Open Source Manga Reader App Android 2026

An extensible manga reader and library manager for iOS, iPadOS, and macOS.

A reader for your own .txt novels — on your phone and on your desk, always on the same page.