Use yetCalc as a calculator on Android, as specified by the project repository.
Open source
24 alternativesLurnby
Lurnby supports active reading and personal knowledge management, according to its repository description.
About Lurnby
Lurnby is an open-source tool, published in the GitHub repository Roznoshchik/Lurnby, for building a personal knowledge practice. According to its README, it helps users read and remember more by working with web articles and EPUB files. Users can highlight, categorize, and review their content with active recall and spaced repetition tools.
Setup instructions are documented in the project's install.md file, and the repository includes macOS installation notes. The source does not list supported platforms beyond this, and it does not state pricing.
Key features
- Highlight, categorize, and review web articles and EPUB files
- Active recall tools for reviewing saved content
- Spaced repetition tools for reviewing saved content
- Open-source code released under the BSD-3-Clause license
- Installation instructions in install.md
- macOS installation notes in mac-install-notes.md
Best for: Readers who want to highlight and review web articles and EPUBs with active recall and spaced repetition, and who are comfortable installing an open-source tool from its repository.
Good for
- Open source under the BSD-3-Clause license
- Supports both web articles and EPUB files
- Includes active recall and spaced repetition review tools
Lurnby at a glance
- Category
- Research & Data › Research & Study Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Lurnby FAQ
How do I install Lurnby?
Instructions for getting the app up and running are documented in the Install.md script in the repository.
How can I contribute to Lurnby?
Contributions are welcome. Features and issues are documented in the GitHub Issues tab. Fork the repository and submit a pull request for review.
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