-
FBReader 3.8.32 hands the e ink screen to a separate app called DinoReader
FBReader shipped 3.8.32 on 3 August, improving Android 16 support and adding page turn animations tuned for e ink. DinoReader, rebuilt for e ink panels, appeared the following month and costs nothing.
-
Anki: open source spaced repetition cards with FSRS built in
Anki is an open source flashcard program for spaced repetition that hands the timing of reviews to the FSRS scheduler built into it, and includes a free service for syncing between devices. It suits learners who need to hold a large mass of small facts over the long run.
-
Quizlet: a free flashcard platform with study modes and classroom games
A study platform built around flashcards. You can create or find card sets, drill them with flip, test and match modes, and turn notes or PDFs into study guides, cards and practice tests. It runs in a browser and on phones, and the library is built by teachers and students together.
-
Baicizhan review: learning words through pictures
Baicizhan gives every word a scene to hang on: a still from a series, an example sentence, four different review exercises and a schedule counted backwards from the exam date. Core features are free and progress syncs across devices.
-
Duolingo: five minutes a lesson, and the habit does the rest
Duolingo breaks language study into lessons of a few minutes, with instant feedback, a streak counter and a leaderboard. More than forty languages, the whole course free to use, progress synced between web and phone, and conversation practice on the paid tier.
-
Eudic: Building Your Own Stack of Dictionaries
Eudic is a dictionary tool for Windows, macOS and mobile that lets you import third-party dictionary files and see several dictionaries side by side for one word. It adds selection lookup while reading, a vocabulary book that syncs across devices, and a separate paid tier for its writing features.
-
Khan Academy: a free curriculum from preschool to university, without a single advertisement
A non-profit learning service that costs nothing to use. Courses run from preschool numeracy to early university mathematics, science, grammar, history and financial literacy, with practice built around mastery and dashboards for parents and teachers. More than fifty languages, no advertising.
-
Forest charges focus time with a tree that withers when you leave
An app that logs focus sessions by growing a tree, which withers if you switch away to the phone. The timer, the app blocking and the group sessions all sit in the free tier; the subscription adds soundscapes and deeper statistics.
-
SciSpace aims to cover the whole research loop, from finding papers to drafting
One prompt box asks how it can help with your research, five starters sit beneath it, and behind them a chain of tools: search in three depths, a review with a published benchmark, chat over a PDF, drafting, diagrams, citations and a detector.
-
Youdao Translate covers 107 languages, and the web version is free
The translation platform from NetEase's Youdao: paste text, upload documents, translate web pages and audio or video, with polishing, grammar correction and an AI assistant beside the box. The mobile app covers 107 languages, and enterprise prices start at 498 yuan per person a year.
-
DeepL translates a whole document with its layout intact, 50000 characters a month for free
An AI translation service whose web translator is free within a monthly character allowance. Its strongest feature is document translation, which returns Word, PDF and PowerPoint files with the original layout still in place.
-
Koodo Reader: an open source reader that opens fifteen kinds of ebook files
An open source reader for six platforms that opens more than fifteen ebook and comic formats, keeps everything local by default, and adds cloud sync, four annotation styles, translation and read-aloud for people who want to read rather than manage a library.
-
Moyu Danci: Vocabulary Drilling Designed to Hide Inside a Workday
Moyu Danci is a vocabulary tool for people who study in the gaps of a working day: a word window that fades into the background, a key that hides it, and a review schedule that decides what comes back and when.
-
第 1 / 1 页