Alternatives

Convex alternatives in 2026 (Supabase, Firebase, Liveblocks, Replicache, Yjs)

Top Convex alternatives in 2026: Supabase (Postgres BaaS), Firebase (Google realtime), Liveblocks (presence + sync), Replicache (offline-first), Yjs (CRDT sync).

Why people search this

People look for Convex alternatives because they want SQL Postgres (Supabase), Google realtime (Firebase), presence-focused realtime (Liveblocks), offline-first sync (Replicache), or peer-to-peer CRDT (Yjs).

The ranking

#1

Supabase

Best for: SQL-first BaaS, Postgres familiarity  ·  Price: Free + paid

Postgres BaaS with auth + storage + realtime + edge functions.

Read our deep dive →

#2

Firebase

Best for: Mobile-first apps, Google ecosystem  ·  Price: Free + paid

Google's realtime + auth + storage. Mature mobile-first BaaS.

#3

Liveblocks

Best for: Collaboration-first apps, Figma-like UX  ·  Price: Free + paid

Presence + collaboration primitives (cursors, comments, notifications).

#4

Replicache

Best for: Offline-first, local-first apps  ·  Price: Free + paid

Offline-first sync with conflict resolution. Strong for local-first apps.

#5

Yjs

Best for: P2P CRDT collaboration, offline-tolerant  ·  Price: Free OSS

CRDT for peer-to-peer realtime collaboration. Open source.

FAQ

Best Convex alternative for SQL?

Supabase — Postgres + auth + storage + realtime.

Best for collaboration features?

Liveblocks — presence + cursors + comments primitives.

Best offline-first alternative?

Replicache or Yjs — both built around offline-first sync.

Last updated: 2026-06-01.