ankitects/ankiPublic

What is anki?

A powerful, open-source spaced repetition flashcard program for highly efficient memorization.

What does anki do?

Anki is a renowned spaced repetition system (SRS) that optimizes the process of memorization. It schedules flashcard reviews based on how well the user remembers them, showing difficult cards more frequently and easy ones less often. This scientifically backed approach drastically reduces the time needed to learn and retain large amounts of information. The desktop version acts as the central hub for creating, managing, and syncing complex decks, supporting rich media like audio, images, and custom HTML/CSS formatting. It serves as the backbone for an extensive ecosystem of community-created decks and plugins.

Who is anki for?

Students, language learners, medical professionals, and lifelong learners needing to memorize large volumes of data. Ideal for users seeking a highly customizable, offline-first study tool.

How do I get started with anki?

https://apps.ankiweb.net

How popular is anki on GitHub?

ankitects/anki has 31,747 stars and 3,298 forks on GitHub, and gained 205 stars in the last 7 days.

What license does anki use?

ankitects/anki is released under the Other license.

• Widely adopted

  31,747 stars

• Battle-tested

  13 years of history

• Very active

  544 commits in 52 weeks

• Community-driven

  ~395 contributors

• Continuous integration

  Automated checks passing

• Repeat trending

  4 trending appearances

Anki is a renowned spaced repetition system (SRS) that optimizes the process of memorization. It schedules flashcard reviews based on how well the user remembers them, showing difficult cards more frequently and easy ones less often. This scientifically backed approach drastically reduces the time needed to learn and retain large amounts of information. The desktop version acts as the central hub for creating, managing, and syncing complex decks, supporting rich media like audio, images, and custom HTML/CSS formatting. It serves as the backbone for an extensive ecosystem of community-created decks and plugins.

Students, language learners, medical professionals, and lifelong learners needing to memorize large volumes of data. Ideal for users seeking a highly customizable, offline-first study tool.

• Spaced repetition algorithm: Dynamically schedules card reviews to maximize long-term retention.
• Rich media support: Allows embedding audio, images, and video directly into flashcards.
• Customizable formatting: Supports HTML and CSS for highly customized card designs and layouts.
• Cross-device synchronization: Keeps decks and learning progress synced across desktop and mobile clients.
• Extensive add-on ecosystem: Supports a vast library of community plugins to extend functionality.

Getting started: https://apps.ankiweb.net

1. 26.09.326.09.3Sep 23, 2026217.3K downloads

   ## What's Changed ⚠️ Please upgrade to [26.09](https://github.com/ankitects/anki/releases/tag/26.09)+ as soon as possible as it includes important security fixes. ### Fixes - Fix system-wide app upgrades on Windows not properly replacing old versions and causing startup crashes by @abdnh in https://github.com/ankitects/anki/pull/5626 - Fix "Card modified" error in the Cards Info screen when FSRS disabled or memory state is missing by @Luc-Mcgrady in https://github.com/ankitects/anki/pull/5648 - Append app version to the extracted tarball directory name on Linux by @Luc-Mcgrady in https://github.com/ankitects/anki/pull/5662 - Force software rendering in safe mode by @Luc-Mcgrady in https://github.com/ankitects/anki/pull/5637 - Fix the "Please restart to save changes" message shown multiple times in the preferences screen in some cases by @Luc-Mcgrady in https://github.com/ankitects/anki/pull/5641 ### Documentation - Improve manual translation instructions by @wofiporia in https://github.com/ankitects/anki/pull/5519 ### Development - Update Python dependencies to match bundled dependencies in 26.05+ by @abdnh in https://github.com/ankitects/anki/pull/5625 -

2. 26.09.226.09.2Sep 15, 2026452K downloads

   ## What's Changed This is a bugfix/security patch for issues reported in [26.09](https://github.com/ankitects/anki/releases/tag/26.09). **⚠️ Please upgrade to 26.09+ as soon as possible as it includes important security fixes.** ### Notable Changes - Fix a startup crash on Windows affecting users who have leftover files from pre-25.07 installations by @abdnh in https://github.com/ankitects/anki/pull/5605 - Security: Prevent external links in deck descriptions rendered in the overview/congrats screen from manipulating the page in certain cases when clicked. ### Development - Run static SonarCloud analysis on fork PRs by @fernandolins in https://github.com/ankitects/anki/pull/5596 - Testing: Improve tests for the get_scheduling_states API by @Luc-Mcgrady in https://github.com/ankitects/anki/pull/5145 - Reduce differences between development and packaged builds by locking bundled dependencies by @abdnh in https://github.com/ankitects/anki/pull/5593 - Testing: cover media/service.rs by @iamllama in https://github.com/ankitects/anki/pull/5588 - Testing: add unit coverage for card_rendering service by @fernandolins in https://github.com/ankitects/anki/pull/5587 -

3. 26.09.126.09.1Sep 15, 2026pre-release139 downloads

   This release was skipped due to a Windows packaging issue. 26.09.2 will follow shortly.

4. 26.0926.09Sep 14, 2026146.4K downloads

   ## What's Changed ### Security Fixes **⚠️ This update contains important security fixes. Please upgrade as soon as possible**. - Notes had the ability to read local files when viewed in the editor. (Thanks to @caleblee789 for the report) - The "Open image" context menu action in the editor did not validate the file's extension, which allowed decks to execute dangerous files on some systems. (Thanks to @lappas-m for the report) ### Add-on Compatibility Note The following legacy modules have been removed: `anki.importing` and `anki.exporting`. See the [docs](https://anki.mintlify.app/addons/the-anki-module) for alternatives. _Some compatibility wrappers were added but they were only tested with AnkiConnect add-on and will be removed in the future._ ### Notable Changes - Fix audio playback in macOS 27 by @abdnh in https://github.com/ankitects/anki/pull/5363 - Fix audio not being played automatically when attached in the editor by @JaksonSouza in https://github.com/ankitects/anki/pull/5320 - Recompute FSRS data after changing deck by @user1823 in https://github.com/ankitects/anki/pull/5339 - Update FSRS to [6.6.2](https://github.com/open-spaced-repetition/fs

5. 26.09b326.09b3Sep 10, 2026pre-release455 downloads

   ## What's Changed ### Notable Changes * Fix intermittent webview crashes by @abdnh in https://github.com/ankitects/anki/pull/5537 * Fix macOS/Linux crashes when the SIGPIPE signal is triggered (reported in some add-ons) by @abdnh in https://github.com/ankitects/anki/pull/5545 * Add wrappers for the AnkiPackageImporter/AnkiPackageExporter APIs for compatibility with the AnkiConnect add-on by @abdnh in https://github.com/ankitects/anki/pull/5547 * Relax CSP restrictions to allow iframes in decks to load CSS styles by @twwn in https://github.com/ankitects/anki/pull/5525 * Update to Qt 6.11.2 by @abdnh in https://github.com/ankitects/anki/pull/5539 * Write logs to crash.log in the base Anki folder after crashes by @abdnh in https://github.com/ankitects/anki/pull/5546 ### Documentation * Add unit testing guidelines by @fernandolins in https://github.com/ankitects/anki/pull/5522 ### Development * Testing: Improve coverage of notes service by @abdnh in https://github.com/ankitects/anki/pull/5509 * Testing: Cover the decks service layer by @fernandolins in https://github.com/ankitects/anki/pull/5514 * Preserve FSRS unlock timeout across mounts by @caleblee789 in ht

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