Readest is an open-source ebook reader designed for immersive and deep reading experiences.
Built as a modern rewrite of Foliate, it leverages Next.js 15 and Tauri v2 to deliver a smooth, cross-platform experience across macOS, Windows, Linux, Android, iOS, and the Web.
This is free and open source software.
Features include:
- Multi-Format Support – EPUB, MOBI, KF8 (AZW3), FB2, CBZ, TXT, PDF (experimental)
- Scroll/Page View Modes – switch between scrolling or paginated reading modes.
- Full-Text Search – search across the entire book to find relevant sections.
- Annotations and Highlighting – add highlights, bookmarks, and notes to enhance your reading experience.
- Excerpt Text for Note-Taking – easily excerpt text from books for detailed notes and analysis.
- Dictionary/Wikipedia Lookup – instantly look up words and terms when reading.
- Parallel Read – read two books or documents simultaneously in a split-screen view.
- Customize Font and Layout – adjust font, layout, theme mode, and theme colors for a personalized experience.
- File Association and Open With – quickly open files in Readest in your file browser with one-click.
- Sync across Platforms – synchronize book files, reading progress, notes, and bookmarks across all supported platforms.
- Translate with DeepL – from a single sentence to the entire book—translate instantly with DeepL.
- Text-to-Speech (TTS) support – enjoy smooth, multilingual narration—even within a single book.
- Library Management – organize, sort, and manage your entire ebook library.
- Code Syntax Highlighting – read software manuals with rich coloring of code examples.
Website: github.com/readest/readest
Support:
Developer: readest
License: GNU Affero General Public License v3.0

readest is written in TypeScript. Learn TypeScript with our recommended free books and free tutorials.
| Popular series | |
|---|---|
| The largest compilation of the best free and open source software in the universe. Each article is supplied with a legendary ratings chart helping you to make informed decisions. | |
| Hundreds of in-depth reviews offering our unbiased and expert opinion on software. We offer helpful and impartial information. | |
| The Big List of Active Linux Distros is a large compilation of actively developed Linux distributions. | |
| Replace proprietary software with open source alternatives: Google, Microsoft, Apple, Adobe, IBM, Autodesk, Oracle, Atlassian, Corel, Cisco, Intuit, SAS, Progress, Salesforce, and Citrix | |
| Awesome Free Linux Games Tools showcases a series of tools that making gaming on Linux a more pleasurable experience. This is a new series. | |
| Machine Learning explores practical applications of machine learning and deep learning from a Linux perspective. We've written reviews of more than 40 self-hosted apps. All are free and open source. | |
| New to Linux? Read our Linux for Starters series. We start right at the basics and teach you everything you need to know to get started with Linux. | |
| Alternatives to popular CLI tools showcases essential tools that are modern replacements for core Linux utilities. | |
| Essential Linux system tools focuses on small, indispensable utilities, useful for system administrators as well as regular users. | |
| Linux utilities to maximise your productivity. Small, indispensable tools, useful for anyone running a Linux machine. | |
| Surveys popular streaming services from a Linux perspective: Amazon Music Unlimited, Myuzi, Spotify, Deezer, Tidal. | |
| Saving Money with Linux looks at how you can reduce your energy bills running Linux. | |
| Home computers became commonplace in the 1980s. Emulate home computers including the Commodore 64, Amiga, Atari ST, ZX81, Amstrad CPC, and ZX Spectrum. | |
| Now and Then examines how promising open source software fared over the years. It can be a bumpy ride. | |
| Linux at Home looks at a range of home activities where Linux can play its part, making the most of our time at home, keeping active and engaged. | |
| Linux Candy reveals the lighter side of Linux. Have some fun and escape from the daily drudgery. | |
| Getting Started with Docker helps you master Docker, a set of platform as a service products that delivers software in packages called containers. | |
| Best Free Android Apps. We showcase free Android apps that are definitely worth downloading. There's a strict eligibility criteria for inclusion in this series. | |
| These best free books accelerate your learning of every programming language. Learn a new language today! | |
| These free tutorials offer the perfect tonic to our free programming books series. | |
| Linux Around The World showcases usergroups that are relevant to Linux enthusiasts. Great ways to meet up with fellow enthusiasts. | |
| Stars and Stripes is an occasional series looking at the impact of Linux in the USA. | |