Open Source Duolingo Alternatives

The best open source alternative to Duolingo is LibreLingo. If that doesn't suit you, our users have ranked more than 100 alternatives to Duolingo and eight of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Duolingo are Mnemo's Library, 10,000 sentences, MemoryLifter and Words.

Duolingo alternatives are mainly Language Learning Tools but may also be Flashcard Learning Tools or Dictionaries. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Duolingo.

This page was last updated

Duolingo

326

Freemium • Proprietary
Language Learning Tool

Online
Android
iPhone
Android Tablet
iPad

Join over 300 million learners on Duolingo, the most popular way to learn languages! It’s free, fun and effective. The...

Learn more about Duolingo

LibreLingo
Do you think this is a good alternative?
Yes
No
Free • Open Source
Language Learning Tool
Online
25 alternatives to LibreLingo
My goal is to start a community-driven language-learning platform that gives its users and contributors a way to influence its future and adapt it to special requirements.
Suggest and vote on features
LibreLingo Features
1. CrowdsourcedLibreLingo uses suggestions, information, etc., from a large group of people to improve the quality of the content.
Save progress
LibreLingo vs Duolingo opinions
pros, cons and recent comments
Guest
It is completely Free Open Source Software and everyone can use it.
Positive comment•
5

DeeJayLSP
To date, it only allows learning Spanish from English
Negative comment•
2

egryboiz
Still very early development. Hopefully it grows into something more
Comment•
0
Mnemo's Library
Do you think this is a good alternative?
Yes
No
Free • Open Source
Flashcard Learning Tool
Online
176 alternatives to Mnemo's Library
Learn about the world through adaptive review of rhymes and other creative memory devices. Mnemo's Library combines memory techniques (mnemonics) with an open, collaborative platform where users can curate knowledge.

Mnemo's Library has no features, suggest some!
10,000 sentences
Do you think this is a good alternative?
Yes
No
Free • Open Source
Android
136 alternatives to 10,000 sentences
10,000 sentences is an Android app that will help you learn new words in foreign languages.

10,000 sentences has no features, suggest some!

10,000 sentences vs Duolingo opinions
pros, cons and recent comments
Guest
Works offline, great for train journeys.
Positive comment•
0
MemoryLifter
Do you think this is a good alternative?
Yes
No
Free • Open Source
Flashcard Learning Tool
Windows
114 alternatives to MemoryLifter
Flash Card software that uses controlled repetition, timed spacing, and mnemonic elements (like images and audio) to greatly speed up the memorization process and virtually "lift" information into the long-term memory.

MemoryLifter has no features, suggest some!
Add a screenshot
Words
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
56 alternatives to Words
Software for improving your english vocabulary. Also useful if preparing for GRE, GMAT, SAT or any other vocabulary intensive examinations.

Words has no features, suggest some!
WordListHub.com
Do you think this is a good alternative?
Yes
No
Free • Open Source
Language Learning Tool
Linux
Online
Self-Hosted
149 alternatives to WordListHub.com
WordListHub.com is a web application for creating word lists and learning languages through playing games.
Suggest and vote on features
WordListHub.com Features
Web-Based
Add a screenshot
Live Lingua
Do you think this is a good alternative?
Yes
No
Paid • Open Source
Mac
Windows
Linux
Online
Android
iPhone
Chrome OS
Android Tablet
Windows Phone
iPad
Skype
19 alternatives to Live Lingua
Live Lingua offers online classes via Skype with native, experienced and certified teachers in 11 of the most commonly spoken languages worldwide: Arabic, Chinese, English, French, German, Japanese, Korean, Portuguese, Russian and Spanish.
Suggest and vote on features
Live Lingua Features
Professionals
Certification
Native speakers
Add a screenshot
Yokatta
Do you think this is a good alternative?
Yes
No
Free • Open Source
Android
F-Droid
14 alternatives to Yokatta
Yokatta© is an open-source flashcards based language learning app using spaced repetition. The algorithm is heavily influenced by SuperMemo's SM-2 and follows best practices using Android Architecture Components provided by Google.

Yokatta has no features, suggest some!

Showing 8 of 8 alternatives

LibreLingo Features

LibreLingo vs Duolingo opinions

10,000 sentences vs Duolingo opinions

WordListHub.com Features

Live Lingua Features