Excalidraw
Interactive lessons & boardsOpen-source virtual whiteboard
- Stars
- ★ 134k
- Licence
- MIT
- Updated
Free alternatives to Quizlet, Kahoot and Google Classroom
Open-source and free classroom tools for quizzes, flashcards, LMS, interactive lessons and formative assessment. Built for teachers hitting freemium paywalls.
All 43 tools Browse categories →
Rocket.Chat
Video, audio & feedbackOpen-source communications platform
- Stars
- ★ 46.3k
- Licence
- MIT
- Updated
Alternative to Remind
Mattermost
Video, audio & feedbackOpen-source team messaging for school staff and classes
- Stars
- ★ 39.4k
- Licence
- AGPL-3.0
- Updated
Nextcloud + Deck
Interactive lessons & boardsSelf-hosted files, Talk and Deck boards for schools
- Stars
- ★ 37.2k
- Licence
- AGPL-3.0
- Updated
Alternative to Google Classroom, Padlet
Anki
Flashcards & drillsOpen-source spaced repetition flashcards (desktop)
- Stars
- ★ 32.1k
- Licence
- AGPL-3.0
- Updated
Alternative to Quizlet
Jitsi Meet
Video, audio & feedbackOpen-source video meetings
- Stars
- ★ 30.1k
- Licence
- Apache-2.0
- Updated
Alternative to Google Classroom, Flip
Etherpad
Interactive lessons & boardsReal-time collaborative text editor
- Stars
- ★ 18.6k
- Licence
- Apache-2.0
- Updated
Alternative to Padlet
Xournal++
Interactive lessons & boardsOpen-source handwriting and PDF annotation
- Stars
- ★ 15.5k
- Licence
- GPL-2.0
- Updated
PeerTube
Video, audio & feedbackFederated open-source video platform
- Stars
- ★ 15.4k
- Licence
- AGPL-3.0
- Updated
Formbricks
Formative assessment & pollingOpen-source surveys for exit tickets and feedback
- Stars
- ★ 13.1k
- Licence
- AGPL-3.0
- Updated
Alternative to Mentimeter, Socrative
AnkiDroid
Flashcards & drillsFree Android client for Anki decks
- Stars
- ★ 12.1k
- Licence
- GPL-3.0
- Updated
Alternative to Quizlet
BigBlueButton
Video, audio & feedbackOpen-source virtual classroom for online teaching
- Stars
- ★ 9.2k
- Licence
- LGPL-3.0
- Updated
Alternative to Google Classroom, Nearpod
JupyterHub
Interactive lessons & boardsMulti-user Jupyter notebooks for classes
- Stars
- ★ 8.4k
- Licence
- BSD-3-Clause
- Updated
Alternative to Google Classroom, Nearpod
Open edX
LMS & course platformsOpen-source platform behind edX-style online courses
- Stars
- ★ 8.2k
- Licence
- AGPL-3.0
- Updated
Alternative to Canvas LMS, Blackboard
CryptPad
Interactive lessons & boardsEncrypted collaborative docs and whiteboards
- Stars
- ★ 8k
- Licence
- AGPL-3.0
- Updated
Alternative to Padlet, Google Classroom
Moodle
LMS & course platformsThe widely deployed open-source LMS
- Stars
- ★ 7.5k
- Licence
- GPL-3.0
- Updated
Alternative to Google Classroom, Canvas LMS
ONLYOFFICE Docs
Interactive lessons & boardsCollaborative office docs you can self-host for classes
- Stars
- ★ 7k
- Licence
- AGPL-3.0
- Updated
Alternative to Google Classroom, Padlet
Canvas LMS (open source)
LMS & course platformsInstructure's open-source Canvas code you can self-host
- Stars
- ★ 6.9k
- Licence
- AGPL-3.0
- Updated
Alternative to Canvas LMS, Google Classroom
Oppia
Interactive lessons & boardsOpen-source interactive learning explorations
- Stars
- ★ 6.9k
- Licence
- Apache-2.0
- Updated
PDF Arranger
Content authoring (H5P & alike)Tiny open-source tool to reorder and merge PDF worksheets
- Stars
- ★ 6k
- Licence
- GPL-3.0
- Updated
Alternative to Google Classroom
LimeSurvey
Formative assessment & pollingOpen-source survey software for quizzes and questionnaires
- Stars
- ★ 3.8k
- Licence
- GPL-2.0
- Updated
Alternative to Mentimeter, Socrative
OpenBoard
Interactive lessons & boardsOpen-source interactive whiteboard for classrooms
- Stars
- ★ 3.1k
- Licence
- GPL-3.0
- Updated
Sakai
LMS & course platformsOpen-source academic collaboration and LMS
- Stars
- ★ 1.2k
- Licence
- ECL-2.0
- Updated
Alternative to Blackboard, Canvas LMS
Kolibri
Interactive lessons & boardsOffline-first learning platform from Learning Equality
- Stars
- ★ 1.2k
- Licence
- MIT
- Updated
Alternative to Google Classroom, Nearpod
Chamilo
LMS & course platformsOpen-source e-learning and collaboration platform
- Stars
- ★ 1k
- Licence
- GPL-3.0
- Updated
Alternative to Google Classroom, Schoology
Moodle App
LMS & course platformsOfficial mobile app for Moodle sites
- Stars
- ★ 1k
- Licence
- Apache-2.0
- Updated
Alternative to Google Classroom
ClassQuiz
Live quizzes & gamesOpen-source live quiz tool you can self-host
- Stars
- ★ 730
- Licence
- MPL-2.0
- Updated
Gibbon
LMS & course platformsOpen-source school platform for teachers and administrators
- Stars
- ★ 637
- Licence
- GPL-3.0
- Updated
Alternative to Google Classroom, Schoology
Mnemosyne
Flashcards & drillsOpen-source spaced repetition research software
- Stars
- ★ 603
- Licence
- GPL-2.0
- Updated
Alternative to Quizlet
ILIAS
LMS & course platformsMature open-source LMS from higher education
- Stars
- ★ 504
- Licence
- GPL-3.0
- Updated
Alternative to Blackboard, Canvas LMS
Pressbooks
Content authoring (H5P & alike)Open-source book and OER publishing platform
- Stars
- ★ 458
- Licence
- GPL-3.0
- Updated
Alternative to Google Classroom, Nearpod
Claroline
LMS & course platformsOpen-source learning and collaboration platform
- Stars
- ★ 350
- Licence
- GPL-3.0
- Updated
Alternative to Google Classroom, Schoology
LearnPress
LMS & course platformsFree WordPress LMS plugin
- Stars
- ★ 275
- Licence
- GPL-2.0
- Updated
Alternative to Google Classroom, Canvas LMS
A
ATutor
LMS & course platformsAccessible open-source LCMS
- Stars
- ★ 180
- Licence
- GPL-2.0
- Updated
Alternative to Blackboard, Canvas LMS
H5P
Content authoring (H5P & alike)Open-source interactive HTML5 content types
- Stars
- ★ 151
- Licence
- MIT
- Updated
AhaSlides
Formative assessment & pollingLive quizzes and polls for presentations
- Licence
- Proprietary
- Status
- Freemium
Alternative to Mentimeter, Kahoot
Google Forms
Formative assessment & pollingFree forms and quizzes inside Google Workspace for Education
- Licence
- Proprietary
- Status
- Free (proprietary)
Alternative to Socrative, Mentimeter
Microsoft Forms
Formative assessment & pollingFree quizzes and polls in Microsoft 365 Education
- Licence
- Proprietary
- Status
- Free (proprietary)
Alternative to Socrative, Mentimeter
Poll Everywhere
Formative assessment & pollingLive audience response for classes and events
- Licence
- Proprietary
- Status
- Freemium
Alternative to Mentimeter, Socrative
RemNote
Flashcards & drillsNotes and spaced repetition in one tool
- Licence
- Proprietary
- Status
- Freemium
Alternative to Quizlet, AnkiWeb sync (paid tiers)
Testmoz
Formative assessment & pollingSimple freemium online test builder
- Licence
- Proprietary
- Status
- Freemium
Tutor LMS (WordPress)
LMS & course platformsWordPress plugin LMS with free and paid tiers
- Licence
- Proprietary
- Status
- Freemium
Alternative to Canvas LMS, Google Classroom
Wooclap
Formative assessment & pollingInteractive questions in presentations (freemium)
- Licence
- Proprietary
- Status
- Freemium
Alternative to Mentimeter, Socrative
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Collections All collections →
Best Quizlet replacements4 tools
Flashcard and drill tools we list against Quizlet.
Best Kahoot replacements2 toolsLive quiz tools we list against Kahoot.
Open-source classroom stack35 toolsTools with open-source licences.
Self-hosted for school IT24 toolsTools you can run on your own servers.
LMS platforms12 toolsFull learning management systems.
Runs in the browser35 toolsClassroom tools with a web UI.
Categories All categories →
LMS & course platforms (12)Interactive lessons & boards (10)Formative assessment & polling (8)Video, audio & feedback (5)Flashcards & drills (4)Content authoring (H5P & alike) (3)Live quizzes & games (1)
Why free classroom tools? More →
Quizlet, Kahoot, Blooket and similar tools increasingly gate Learn modes, live games or student data behind school or teacher subscriptions.
Open-source options such as Anki, Moodle, H5P and ClassQuiz keep working after a trial ends, and schools can host them on their own infrastructure when privacy matters.
Every listing states whether it is fully free, open source, freemium or paid, and links to the official site so you can check current school pricing yourself.