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Commerce · alternatives · 2026

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24 alternatives to Bilingual Books, Programs, and NLP

www.glassbow.com I made a website that offers bilingual books in paragraph-by-paragraph form (english paragraph, translated paragraph, english paragraph, etc.) I started with public domain books and am currently negotiating contracts with new authors, and moving towards established authors quickly. I want everyone in the world to speak every language, so I started here to have enough money to study NLP (Natural Language Processing) science professionally while also creating a fun/visibly practical and measurable way for others to practice languages quickly. NLP software is used in…

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Bilingual Books, Programs, and NLP launched in 2018; newer entries below may have overtaken it.

  1. 1IW

    The book page links to a blog post that explains how I got about it (and has a link to sample content), but the TL&DR is that I could not find a lot of books that were on "our" history _and_ were larded with technical details. So I set about writing one, and some five years later I'm happy to share the result. I think it's one of the few "computer history" books that has tons of code, but correct me if I'm wrong (I wrote this both to tell a story and to learn :-)). My favorite languages are Smalltalk and Lisp, but as an Emacs user, I've been using the latter for much longer and for my…

    Feb 2026 · berksoft.ca · its alternatives →

  2. 2IW

    As hard as I tried, I didn't find a modern language learning book that's either very academic, or like "master a language with my super-magic great method in 3 months". So I dug into the academic research, tried many techniques myself, saw what worked, wrote a book for learners of any language and any level, and made it free without ads. Today, finally, a 2 years-long project ends. I hope it helps anyone. Book's here: https://thehardway.guide/ Cheers

    2023 · its alternatives →

  3. 3

    Hi When you are learning a new language, you need to practice different skills: reading, listening, speaking, writing. I find writing to be the hardest activity, not least because I have to look up words in the dictionary all the time, and that is a frustrating context switch. Here is an experimental CodeMirror-based editor, that lets you look up translations inline. Type @ followed by the English word, and get a list of possible translations, and select the translation to apply it. Online demo: https://foreign-dispatch-autocomplete.netlify.app/

    2022 · github.com · its alternatives →

  4. 4

    Hi! Wanted to share the project I really wanted to have. TLDR; this app lets you create your own list of words and you get a Duolingo-like experience (kind of, still needs a lot of features) practicing those words in their context. My English is not the best but not the worst either. But I realized I can't boost it up after a certain level! In my belief, in order to truly learn a language, you need to be exposed to that language often. Vocabulary is the key factor here if you really want to improve in any language. My experience is that when I read a book to improve my English vocabulary, I…

    2025 · github.com · its alternatives →

  5. 5IM
  6. 6

    Learn how to build your own programming language interpreter

    2016 · interpreterbook.com · its alternatives →

  7. 7

    RAJABANDOT adalah platform situs toto togel digital penyedia pasaran togel online 4D paling lengkap saat ini. Nikmati akses yang mudah dan resmi untuk pasang angka keberuntungan di bandar togel terpercaya!

    2016 · mjavascript.com · its alternatives →

  8. 8

    Language Lego. Contribute to ayoungprogrammer/Lango development by creating an account on GitHub.

    2016 · github.com · its alternatives →

  9. 9

    An open-source NLP research library, built on PyTorch

    2017 · allenai.org · its alternatives →

  10. 10
    Tubes▲54

    A Journey to the Center of the Internet

    2015 · amazon.com · its alternatives →

  11. 11LP

    Hi! I am doing a learning project, attempting to build an imperative language (and interpreter). The end product will be useless for others, I just want to learn and better understand how to build imperative languages. :) If someone else shares this interest and want to give some good hints on good resources I would be grateful. Currently I am looking at an awesome text by Bob Nystrom. All suggestions and tips on resources are most welcome. I am very much a beginner in this, but I find this topic very fascinating. Mail me or post links here! Cheers! You can try a beta version Online at…

    2020 · its alternatives →

  12. 12SN

    Hi guys, I've been thinking a lot about how advancements in NLP can be standardized; when building a sentiment analysis, you know for sure that other attributes than the actual sentiment can be highly interesting, such as the urgency. Together with my team, I started a new open-source project, aiming to do exactly that. It's called bricks, and it is a composition of more than 50 open-source and modular code snippets, such as computing sentence complexities, emotionality detection and many more. For context, the idea came up after watching the incredible talk "Inventing on Principle" by Bret…

    2022 · bricks.kern.ai · its alternatives →

  13. 13

    Initiate conversations & practice English with real people

    2017 · apps.apple.com · its alternatives →

  14. 14
    duolex▲8

    AI Bilingual Book Translator

    2025 · its alternatives →

  15. 15

    Hi HN! I built *BookTranslator.app* (https://www.booktranslator.app/) initially to help myself read English books in my native language. Later on as I shared on twitter, more and more people were finding it useful. So I thought it might also be helpful to share it here. You can drag-and-drop an *EPUB or PDF (≤ 50 MB)*, pick one of *76 target languages*, and ~60 seconds later you get a layout-preserving translation plus a side-by-side bilingual reader. The whole pipeline runs on the gpt-4o API with a bit of prompt-engineering to keep chapter structure, images and footnotes…

    2025 · booktranslator.app · its alternatives →

  16. 16PR

    http://www.quill.org We are a nonprofit organization, and Quill is a free, open source tool. We are looking for feedback on our user experience and our code optimization. Critical feedback is appreciated. If you'd like to check out the code: https://github.com/empirical-org/quill

    2013 · its alternatives →

  17. 17FA

    Made this app because I was tired of not knowing 50 words/book when I read in English. You can try it on the AppStore searching "Quicky app". For Android user please use the web mobile version at https://quicky.app/. The Desktop version has a shitty responsive design. IMPORTANT NOTE: If you are not French, you will want to tell you are to try the features of the app (sorry it's only in French though) I'd love to hear your feedback.

    2019 · its alternatives →

  18. 18FT

    After six months of work, I am here again presenting Fluent – a tiny lang which is optimized for differentiable & reactive programming. Since I am not Conal Elliot, don't expect a beautiful theoretical unification of FRP and AD from first principles. Rather, a horrific monster that holds together mostly because a lot of duct-tape. The link points to the semi-interactive tour of the language, which will get the job done much better than I could in here. Hope you hate/like it!

    Jul 2026 · mlajtos.github.io · its alternatives →

  19. 19
    Engram▲14

    Elevate your English w/ AI optimized for non-native speakers

    2024 · engram.us · its alternatives →

  20. 20
    Lexio▲2

    Beautiful Spanish stories for language learners

    Jun 2026 · lexiolanguage.com · its alternatives →

  21. 21

    Hi HN! I'm trying to learn a language, but I don't have anyone to speak it with, so I made this website to get some practice. To start, all you have to do is set your native language and target language. Then, just start talking to it in either your native or target language. It'll catch any mistakes you make when you speak in your target language and answer any grammar/vocab questions you have. It has a translate button, a romanize button (converts any text into the Latin alphabet), and you can highlight words/phrases you don't know in AI responses to have them explained. I'd…

    2025 · polyglotgpt.com · its alternatives →

  22. 22

    Recently I launched BookTranslate.ai but at launch there wasn't really anything to see on the site. I should have thought about creating public demos before I launched, but now I added a few, including this one. I ran a blind analysis on the translation with Gemini: https://aistudio.google.com/app/prompts/1ZqeijNulqinp7D7wK1J... This is huge, in my opinion. I don't mean it to brag or sell, I mean it as a matter of fact that no other software can produce this level of quality right now and people thought machine translation will never be capable of this. I'm…

    2025 · booktranslate.ai · its alternatives →

  23. 23

    Free interactive stories for language learners

    2025 · lingostories.org · its alternatives →

  24. 24

    Hi HN! In the last couple of weeks I've been working on Cranki: Cranki = Crosswords + Anki. (It's a stupid name tbh, haha) I like doing crosswords in Spanish (to learn vocab) but none of the apps out there allowed me to use my own list of words that I come across. So I built one instead. It's entirely client-side. No server, no database, no accounts, etc. Your words and stats are stored in local storage. I built this for myself but let me know if you like it!

    Apr 2026 · cranki.app · its alternatives →

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