AI app starters
Chat, agents, and model plumbing wired up and ready to extend. Ranked by maintenance pulse, then dependency freshness, then recent commit volume. Method.
| # | Kit | Verdict | Commits (90d) | Last activity | Model |
|---|---|---|---|---|---|
| 1 | LangChain + Next.js Template | Active1 major behind | 76 | Sep 25, 2026 | Free |
| 2 | Velobase Harness | Active2+ majors behind | 19 | Sep 26, 2026 | Free |
| 3 | Fragments (E2B) | Active2+ majors behind | 10 | Sep 9, 2026 | Free |
| 4 | Vercel AI Chatbot | SteadyCurrent deps | 12 | Jul 8, 2026 | Free |
| 5 | ChatGPT Your Files (Supabase) | Slowing2+ majors behind | 0 | May 12, 2026 | Free |
| 6 | useSAASkit | Not verifiableDeps unknown | — | — | Paid |
| 7 | MkSaaS | Not verifiableDeps unknown | — | — | Paid |
| 8 | Chatbot UI | Dormant2+ majors behind | 0 | Jun 22, 2024 | Free |
Paid kits with no public repository show "Not verifiable" until the vendor shares evidence. That is a gap in what we can see, not a judgment of quality.