Oppia
Authors branching interactive explorations that respond to wrong answers instead of merely displaying the solution.
Technical Profile & Specs
verified 2026-08-11
- Cost
- $0 / forever (Open Source)
- License
- Apache-2.0
- Hosting Model
- Local or hosted (your machine or their cloud)
- Platforms
- webself-hostedthey host it
- Installation
- Use Oppia.org directly, or deploy the Python and Angular application on a Google App Engine-style stack
- Operational Setup
- None on Oppia.org; self-hosting is a developer-grade Google App Engine deployment
- Where Your Data Lives
- Explorations, skills, stories, questions and learner progress live in Oppia's hosted Google Cloud Datastore and Storage, or the equivalent self-hosted deployment
- The Catch / Trade-off
- Creating responsive branches is manual, and the result does not match Brilliant's broad authored catalog or production-quality interactive visuals.
Replaces 1 paid app
up to $30/mo ($360/yr) in subscriptions
Oppia FAQ
Common questions
Is Oppia free and open source?+
Oppia is an open-source tool licensed under Apache-2.0 that runs on local or hosted. Authors branching interactive explorations that respond to wrong answers instead of merely displaying the solution.
What paid software does Oppia replace?+
Oppia serves as a free replacement for 1 paid SaaS application: Brilliant, saving up to $30/month ($360/year) in subscription bills.
How do you install and set up Oppia?+
Installation: Use Oppia.org directly, or deploy the Python and Angular application on a Google App Engine-style stack. Setup notes: None on Oppia.org; self-hosting is a developer-grade Google App Engine deployment
What is the catch or trade-off with Oppia?+
Creating responsive branches is manual, and the result does not match Brilliant's broad authored catalog or production-quality interactive visuals.