Free public-domain US government language courses with textbooks and audio.
CoursesBooks Free BeginnerIntermediateAdvanced A1–C1
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Foreign Service Institute, Peace Corps and DLI materials — full textbooks plus hundreds of hours of audio — are public domain and hosted here for free across dozens of languages. The depth is extraordinary and the FSI Basic courses take diplomats to professional working proficiency, which no consumer app attempts. The recordings are from the 1960s–80s, the drills are relentless, and some vocabulary is dated (Cold War era), so they suit disciplined self-studiers, not casual learners.
Free audio courses that teach you to reason your way into the language.
CoursesPodcasts Free Beginner A1–B1
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Mihalis Eleftheriou records real lessons with a real student and walks you through constructing the language yourself using cognates and logic — Spanish, French, Italian, German, Greek, Turkish, Arabic and Swahili are covered. Completely free, no ads, no sign-up, funded by donations. The Spanish course in particular is one of the most recommended free resources anywhere; the trade-off is small vocabulary and no reading or writing practice.
A free multilingual Polish course with grammar guide and audio dictionary.
CoursesWebsites Free BeginnerIntermediate A1–B1
grammarvocabularyreadinglistening
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A publicly funded platform offering structured distance courses in Polish, a full grammar guide and a basic dictionary with recorded pronunciation, with the interface available in ten languages including German, Czech, Ukrainian and Russian. Completely free with a simple sign-up, and the non-English interface languages make it a rare good fit for learners who aren't coming from English. Coverage stops around B1 and the platform is fairly plain.
Structured CEFR courses with written corrections from native speakers.
AppsCourses Freemium BeginnerIntermediate A1–B2
vocabularygrammarwritingspeaking
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Covers 14 languages along an explicit CEFR path, and its best feature is the community exchange: you submit short writing or speaking exercises and real native speakers correct them, free of charge, in exchange for you correcting theirs. The free tier is limited to core lessons; Premium unlocks grammar, offline and the full path. A solid Babbel alternative if you specifically want writing practice with human feedback.
Podcast courses that teach through a real learner's lesson, season by season.
PodcastsCourses Freemium BeginnerIntermediate A1–B2
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Mark Pentleton teaches a genuine student while you listen in, across French, Spanish, German, Italian, Chinese, Swedish, Portuguese, Japanese and Gaelic. The podcast seasons are free on any podcast app and are structured as a real curriculum rather than scattered episodes; the Academy sells premium lesson notes, video and bonus audio. Ideal commuting material for beginners through B1, and the Spanish and French series are the strongest.
The Krok po kroku textbook line plus an online exercise and games platform.
CoursesBooksTools Freemium BeginnerIntermediate A1–B2
grammarvocabularyreadinglistening
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Thirty years of Polish-for-foreigners publishing behind the Polski krok po kroku series, now paired with a platform of interactive exercises, tests and teacher tools used by tens of thousands of students in dozens of countries. Krok po kroku is the main alternative to HURRA!!! and is often preferred for self-study because it explains more as it goes. The books are paid and the deeper platform features are aimed at teachers; the interface is Polish-first.
Street interviews and everyday conversation with dual Polish/English subtitles.
YouTubeCourses Freemium BeginnerIntermediateAdvanced A1–C1
listeningvocabularyimmersion
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Aga, Justyna and the Katowice team have been filming unscripted Polish for over a decade — strangers on the street, friends at home, plus 'Super Easy Polish' episodes slowed right down for beginners — all dual-subtitled so the same video serves several levels. It is the fastest cure for the shock of real Polish after textbook audio. Videos are free and weekly; the membership adds exercises, a Discord community and live classes with teachers.
Grammar-focused video lessons that target where learners actually get stuck.
YouTubeCourses Freemium BeginnerIntermediate A1–B2
grammarspeakinglistening
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Dorota teaches the parts of Polish that break people — case endings, surname declension, building sentences, complaining convincingly — in weekly videos aimed at making you produce language rather than recognise it. She is uploading consistently through 2026 and the free channel alone is a solid grammar course. Self-study video courses and her online school are paid, and the site's framing leans hard on sales language.
Innovative Language's structured Polish audio course, still publishing weekly.
CoursesPodcastsApps Freemium BeginnerIntermediate A1–B1
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Dialogue lessons with transcripts, line-by-line breakdowns, vocabulary lists and a spaced-repetition trainer, arranged into beginner-to-intermediate pathways — reliable scaffolding for the first year of Polish. The free podcast feed is a decent standalone resource. As with the whole PodX01 family, expect constant upselling, patchy older lessons and little content above B1.
Paulina's podcast and club for people who actually live in Poland.
PodcastsCourses Freemium BeginnerIntermediateAdvanced A2–C1
listeningvocabularyspeaking
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Paulina Lipiec, trained in teaching Polish as a second language, started the podcast in 2016 out of frustration at how dull the available listening material was; two hundred-plus episodes later it covers language, culture and life in Poland with worksheets and transcripts. Her explanations of things Poles do and say make it as much cultural onboarding as language practice. The podcast and YouTube clips are free; worksheets, courses and the members' club are paid.
Century-old bilingual course books that take you from zero to solid B2.
BooksCourses Paid BeginnerIntermediate A1–B2
readinglisteninggrammarvocabulary
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Each course is ~100 short bilingual dialogues with native audio: you passively absorb for months, then start an 'active wave' translating back into the target language. Books run around €30 (e-courses ~€50) across 70+ languages, and the method is a long-standing favourite among polyglots for reaching real reading fluency. Caveats: many courses are only published from French, the humour is dated, and it demands daily discipline with no gamification to carry you.
Structured dialogue-based courses in 13 languages, built by actual linguists.
AppsCourses Paid BeginnerIntermediate A1–B1
vocabularygrammarspeakinglistening
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Subscription-only after a handful of free intro lessons, typically $10–15/month with big discounts on annual plans. Lessons are short, dialogue-first and explain grammar properly, which makes it a much more serious beginner course than Duolingo. It covers only 13 languages and effectively stops around B1, so it is a stepping stone rather than a destination.
Routledge's beginner course books with free downloadable native-speaker audio.
BooksCourses Paid BeginnerIntermediate A1–B1
readinggrammarvocabularylistening
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Over 70 languages, each a step-by-step beginner course written by an experienced teacher, and crucially all the audio is free to download from the companion site even if you find the book secondhand. Slightly more academic and grammar-forward than Teach Yourself, which some learners prefer. Like any book series the individual titles differ in quality; the less common languages are often the only decent course in existence.
Mass-sentence audio drilling for listening and speaking automaticity.
AppsCourses Paid BeginnerIntermediate A1–B2
listeningspeakingpronunciation
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You listen to and repeat thousands of native-recorded sentences on a spaced schedule, which builds fluent output patterns without explicit grammar study. It covers 60+ languages and keeps nine minority languages (Catalan, Welsh, Taiwanese, Kurdish and others) permanently free as a preservation effort. It is expensive at roughly $20–40/month, and the repetition is monotonous — most reviewers call it effective but overpriced, so try the 7-day trial first.
The bestselling Polish-as-a-foreign-language textbook series, A1 to C1.
BooksCourses Paid BeginnerIntermediateAdvanced A1–C1
grammarreadinglisteningvocabulary
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PROLOG's HURRA!!! series, written by practising teachers, is the course book most Polish language schools build their classes on, running from absolute beginner up to advanced with workbooks, audio and the Testuj Swój Polski exam-practice companion. Following it keeps your self-study aligned with what a class or tutor will assume you know. Written to be taught, so working through it alone is harder than a self-study course, and the books must be bought.
Conversation-driven courses in 70+ languages, often free through your library.
AppsCourses Paid BeginnerIntermediate A1–B1
speakinglisteningvocabularypronunciation
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Lessons build outward from real conversations with colour-coded literal translations and cultural notes, and the catalogue includes endangered and indigenous languages nobody else covers. Retail pricing starts around $10/month, but a very large number of public libraries and universities give patrons free access — check yours before paying. Content depth per language is modest, so it suits travellers and early learners more than people pushing toward B2.
Audio courses where you learn by listening in on a real lesson.
Courses Paid Beginner A1–A2
speakinggrammarlistening
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You sit in on a recorded lesson with two students and build sentences aloud alongside them, with no writing, homework or memorisation; 19 languages are available. It is remarkably good at making the core grammar of Romance languages click in a few hours. Vocabulary coverage is small, the recordings are old, and the courses after Michel Thomas's death are taught by other teachers with mixed results — treat it as a fast on-ramp, not a course of study.
Audio-only spaced-recall courses that drill speaking from lesson one.
CoursesApps Paid BeginnerIntermediate A1–B1
speakinglisteningpronunciation
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Thirty-minute audio lessons force you to produce sentences out loud before you see anything written, which builds unusually good accent and recall. Subscriptions run about $15–21/month (all-access covers 50+ languages), and older courses are often available through public libraries. It is slow and vocabulary-light by design, so pair it with reading — but for commute or walking time it is the best use of otherwise dead hours.
Self-study course books with audio for 30+ languages, beginner to advanced.
BooksCourses Paid BeginnerIntermediate A1–B2
readinggrammarvocabularylistening
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The 'Complete' books are proper structured courses with dialogues, graded exercises and downloadable audio, and the range covers languages no app touches. Quality varies noticeably by title and author, so check reviews for your specific language before buying rather than trusting the series name. Their graded readers and 'Script Hacking' alphabet guides are also worth knowing about for non-Latin scripts.