Fullstack Open
free Stack pickUniversity of Helsinki modern JS full-stack course
Modern stack (Vite, Vitest, React Query). 5-14 ECTS credits available. Best free JS full-stack deep dive.
| URL | https://fullstackopen.com |
| Tier | free |
| Relevance | high |
| Last active signal | 2026-04 Part 7 replaced Webpack with esbuild |
| Verified alive | yes |
| Category | Learning |
| Stack match | yes |