unstract vs Velobase Harness
unstract ranks higher on current evidence: 103 commits by 12 contributors in the last 90 days (40 in the last 30).
| unstract | Velobase Harness | |
|---|---|---|
| Grade | C | C |
| Verdict | Active2+ majors behind | Active2+ majors behind |
| Category rank | #18 | #19 |
| Model | Free | Free |
| Commits, 90 days | 103 | 26 |
| Contributors, 90 days | 12 | 8 |
| Last activity | Oct 16, 2026 | Oct 15, 2026 |
| Listed price | Free | Free |
| Evidence source | Code | Code |
| Latest release | v0.193.1 | v0.2.0 |
| License | AGPL-3.0 | MIT |
| Django | 4.2.30 (latest 6.1.2) | — |
| Celery | 5.3.4 ✓ | — |
| Django REST framework | 3.17.1 ✓ | — |
| React | 19.0.0 ✓ | 19.0.0 ✓ |
| Tailwind CSS | 4.0.0 ✓ | 4.0.15 ✓ |
| TypeScript | 7.0.2 ✓ | 5.8.2 (latest 7.0.2) |
| Stripe SDK | — | 19.1.0 (latest 23.0.0) |
| Vercel AI SDK | — | 5.0.68 (latest 7.0.143) |
| Expo | — | 57.0.29 (latest 58.0.14) |
| Express | — | 4.22.2 (latest 5.3.0) |
| Next.js | — | 15.5.25 (latest 16.4.2) |
| Prisma | — | 6.5.0 (latest 7.10.1) |
| React Native | — | 0.86.3 (latest 0.88.0) |
| Zod | — | 3.0.0 (latest 4.6.7) |
| Auth.js | — | 5.0.0-beta.32 ✓ |
| tRPC | — | 11.18.0 ✓ |
| Framework | Vite, Django | Next.js, Expo, Express, React Native |
| Payments | Stripe | Stripe |
| Database / ORM | PostgreSQL (psycopg) | Prisma |
| UI | Tailwind CSS | Tailwind CSS, Radix UI |
| API layer | Django REST framework, Celery | tRPC, TanStack Query, Hono |
| Testing | Vitest | — |
| Monitoring | PostHog | PostHog |
| Auth | — | Auth.js |
| — | Resend, Nodemailer, React Email, SendGrid | |
| AI | — | Vercel AI SDK, OpenAI SDK |
| i18n | — | next-intl |
Evidence checked . ✓ = on the latest major version. "Claimed" = a version the vendor's public pages mention, not verified code. Evidence as of Oct 19, 2026. Rankings never depend on affiliate or paid status. Method.