# Tools

> Services and apps I have built and use myself. Open to everyone.

Author: [Alexander Mayorov](https://alexandermayorov.com/en.md)

## [sec.teqh.org](https://sec.teqh.org/)

**Share passwords and secrets.** The secret is encrypted right in the browser, the server stores only ciphertext, and the record deletes itself after a set time or number of views.

Tags: security, encryption

How it works: https://alexandermayorov.com/en/articles/sec-teqh-secret-sharing.md

## [REČ//500](https://rec.teqk.net/)

**Flashcard vocabulary trainer.** Short flashcard sessions with FSRS spaced repetition. Dictionaries for Serbian, English, Brazilian Portuguese and Polish: mark the words you know, add notes and associations, edit cards and add your own vocabulary.

Tags: languages, FSRS

## [Ritinova](https://ritinova.com/)

**Task tracker in Telegram.** A personal task tracker designed with attention difficulties and ADHD in mind. Send tasks to the bot as text, forwarded messages or voice notes, then plan your day in the Mini App: up to three tasks in the plan and one in focus. In development, early access signup is open on the website.

Tags: Telegram, productivity

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- HTML version: https://alexandermayorov.com/en/tools
- Other language: [Русский](https://alexandermayorov.com/ru/tools.md)
- llms.txt: https://alexandermayorov.com/llms.txt