Openlet

Spec sheet

Purpose

Openlet is a free, open-source flashcard and study tool for students.Read 10 Oct 2026 · openletapp.vercel.app

Free plan

YesRead 20 Sep 2026 · github.com

Maker

The GitHub profile identifies ChloeVPin as Chloe, an independent software builder in Los Angeles.Read 10 Oct 2026 · github.com

Account

The site describes signup as a free account.Read 10 Oct 2026 · openletapp.vercel.app

Export

The site says users can export decks anytime.Read 10 Oct 2026 · openletapp.vercel.app

Import

Users can import decks from CSV or paste content.Read 10 Oct 2026 · openletapp.vercel.app

Infrastructure

The repository says production data and authentication require a Supabase project.Read 10 Oct 2026 · github.com

Security reporting

The project asks vulnerability reporters to use email rather than public GitHub issues and says it will acknowledge reports within 48 hours.Read 10 Oct 2026 · github.com

Self-hosting

The site says its MIT-licensed source can be self-hosted.Read 10 Oct 2026 · openletapp.vercel.app

Source repository

The project repository describes Openlet as an open-source flashcard application with FSRS spaced repetition, deck creation and import, image occlusion, folders, sharing, and account-backed synchronization.Read 10 Oct 2026 · github.com

Spaced repetition

The site says Learn uses FSRS so difficult cards return sooner and easy cards wait longer.Read 10 Oct 2026 · openletapp.vercel.app

Study modes

It offers Flashcards, Learn, Write, Match, and Test modes, which the site says are all unlocked for free.Read 10 Oct 2026 · openletapp.vercel.app

Supported version

The security policy says it provides security updates for the latest version running on master; older commits are unsupported.Read 10 Oct 2026 · github.com

Plans and prices

Every Openlet plan and price →

Where Specifiction places it

• AI Flashcard Generators#24 of 277.5
• Flashcard apps#26 of 277.1