# 3 Best Open-Source Alternatives to Convex in 2026

By Noah — last updated & pricing verified September 15, 2026.

> 3 of the 5 Convex alternatives we list qualify for this filter. The [full list](https://findalternative.to/convex) is the canonical page.

| Alternative | Best for | Price | Details |
| --- | --- | --- | --- |
| Supabase | developers who want a Postgres-based backend (auth, storage, realtime, auto-generated APIs) they can self-host later, rather than committing to a proprietary NoSQL platform like Firebase | Free tier · paid from $25/mo | https://findalternative.to/supabase/about |
| PocketBase | developers who want a single-binary backend (database, auth, storage, realtime API) for a side project or small-to-medium app without assembling separate services | Free | https://findalternative.to/pocketbase/about |
| Appwrite | developer teams building web, mobile, or Flutter apps that want a Firebase-style backend (auth, database, storage, functions) they can self-host for free instead of relying solely on a vendor's cloud | Free tier · paid from $25/mo | https://findalternative.to/appwrite/about |

All 5 alternatives to Convex: https://findalternative.to/convex

---

Markdown mirror of https://findalternative.to/convex/open-source — findalternative.to, honestly ranked software alternatives. AI info: https://findalternative.to/ai