## Startup showcase (1-1 of 1)

### Outline
A collaborative knowledge base for growing teams

41,082 GitHub stars (outline/outline, BUSL-1.1, 2026-10-27)

Website · Productivity · by General Outline, Inc. · launched 2016-05-22. https://www.getoutline.com

- Frontend: React
- Backend: Koa, Sequelize
- Database: PostgreSQL, Redis

Most used: Koa (1), PostgreSQL (1), React (1), Redis (1), Sequelize (1).

**Caveats (show these word for word)**
- Stacks are read from each product's public code (manifests and environment templates) on the date shown; a service listed there may be optional or used only by the hosted version. GitHub and App Store figures are as read on their checked_at date.

Confidence: medium.

Use estimate_cost or audit_stack with the priced vendor ids to see what a stack like this costs.