Anki is an open-source notes & knowledge tool — Spaced-repetition flashcard program for memorizing information over time.

Is Anki free and open source?

Yes. Anki is free and open source, released under the AGPL-3.0 license. You can view and contribute to the source at https://github.com/ankitects/anki.

What are open-source alternatives to Anki?

Other open-source notes & knowledge tools on OSSDrop include Memos, Joplin, SiYuan, Logseq.

Anki

Curated

Spaced-repetition flashcard program for memorizing information over time.

Visit apps.ankiweb.net Source

Notes & Knowledge·AGPL-3.0·29.4k stars·26.08·added 2026-07-31

Curated listing — added by OSSDrop, not the maker.

Frequently asked

What is Anki?
Anki is an open-source notes & knowledge tool — Spaced-repetition flashcard program for memorizing information over time.
Is Anki free and open source?
Yes. Anki is free and open source, released under the AGPL-3.0 license. You can view and contribute to the source at https://github.com/ankitects/anki.
What are open-source alternatives to Anki?
Other open-source notes & knowledge tools on OSSDrop include Memos, Joplin, SiYuan, Logseq.

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