393 hand-researched B2B & AI tools. 660 cost-trap flags — per-seat, usage-metered, quote-only, renewal jumps, real free tiers — and every single flag carries the evidence sentence it was derived from. Free to use with attribution.
| Flag | Tools |
|---|---|
| quote-only pricing | 69 |
| per-seat pricing | 121 |
| usage-metered | 165 |
| renewal jump | 7 |
| add-ons extra | 109 |
| annual lock-in | 21 |
| real free tier | 168 |
| Tool | Category | From | Flags |
|---|---|---|---|
| 1Password | IT & Productivity | $2.99/mo | per-seat pricing, real free tier |
| 800.com | Communication & Voice | $19/mo | quote-only pricing, real free tier |
| accessiBe | IT & Productivity | — | add-ons extra, real free tier |
| ActiveCampaign | Growth & Revenue | $15/mo | add-ons extra, real free tier |
| AdCreative.ai | Growth & Revenue | — | usage-metered, real free tier |
| ADP | HR & People | — | quote-only pricing, per-seat pricing |
| Adwisely | Growth & Revenue | $49/mo | usage-metered, add-ons extra |
| AfterSell | Growth & Revenue | $9.99/mo | — |
…and 385 more. Explore interactively in the Atlas.
CC BY 4.0. Use it in articles, research or products — just credit “AIBuilder Marketplace” with a link to aibuildermarketplace.com/atlas/.
Methodology: flags are rule-derived from our hand-researched pricing notes; we publish the evidence sentence with every flag and never invent numbers. Entry prices are what we found at research time (2026-07) — always check live pricing. How we review →
This dataset contains no affiliate links. The Atlas and our reviews do carry them (disclosed on every page); this page exists so the research itself is free to reuse.