diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1165,6 +1165,7 @@ Update Time, five active automations, webhooks.
   * [Nile](https://www.thenile.dev/) - A Postgres platform for B2B apps. Unlimited databases, Always available with no shutdown, 1GB of storage (total), 50 million query tokens, autoscaling, unlimited vector embeddings
   * [Prisma Postgres](https://prisma.io/postgres) - Super fast hosted Postgres built on unikernels and running on bare metal, 1GB storage, 10 databases, integrated with Prisma ORM.
   * [restdb.io](https://restdb.io/) - a fast and straightforward NoSQL cloud database service. With restdb.io you get schema, relations, automatic REST API (with MongoDB-like queries), and an efficient multi-user admin UI for working with data. The free plan allows 3 users, 2500 records, and 1 API request per second.
+  * [Rivestack](https://rivestack.io) - Managed PostgreSQL with pgvector optimized for AI workloads. The free tier includes 500MB storage, daily snapshots, 14-day point-in-time recovery, and a built-in SQL editor that converts search queries to vector embeddings.
   * [scalingo.com](https://scalingo.com/) - Primarily a PaaS but offers a 128MB to 192MB free tier of MySQL, PostgreSQL, or MongoDB
   * [SeaTable](https://seatable.io/) - Flexible, Spreadsheet-like Database built by the Seafile team. unlimited tables, 2,000 lines, 1-month versioning, up to 25 team members.
   * [skyvia.com](https://skyvia.com/) - Cloud Data Platform offers a free tier and all plans are completely free while in beta