Convex (OSS backend) replaces 2 paid apps

One open-source tool, 2 subscriptions it can stand in for. Each pairing below is curated and verified by hand, with the honest catch spelled out. No votes, no pay-to-list.

Convex (OSS backend) $0→replaces 2 apps★ 13k · active sep 2026docker to self-host☁️ hosting

convex.dev ↗repo ↗Convex (OSS backend) in the catalog →

the facts, verified

licenseFSL-1.1-Apache-2.0

runsyour server

setupnot verified by us yet — check the repo README

facts verified 2026-09-13

what it lets you cancel

ConvexYESusage-based

Open-source build of the Convex reactive database/backend with TypeScript server functions and realtime sync

the verdict →all Convex alternatives →

Firebase BlazeYESusage-based

Open-source build of the Convex reactive database/backend with TypeScript server functions and realtime sync

the verdict →all Firebase Blaze alternatives →

last updated 2026-09-13 · no votes, no pay-to-list

Every verdict page above lists what you lose when you switch, so you can decide with open eyes.all open-source alternatives →