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SaaS ideas, mined from what people actually complain about.

Every idea comes from real Reddit posts, was researched against today's competitors, and survived an independent skeptic before it made the list.

Multi-Tenant SaaS Complexity

Founders and developers struggle to design, secure, and scale multi-tenant architectures with proper isolation, permissions, and low operational overhead.

In their words

IDrive well very clunky is honestly the best budget solution on the market right now

r/SmallMSP on Reddit

we PAY so much for different product, that we pretty much just charge client take 25 cents and give the money to software makers

r/microsoft365 on Reddit

I want separate branded portals for each group, and this is possible only with Multi-JWT.

r/SaaS on Reddit

Its a SASS app with a lot of individual customer databases and no way to deploy to a single pilot customer after a risky refactoring

r/PHP on Reddit

We are about to do the fleet wide push and want to get the naming and structure right before we commit to something across all client tenants.

r/msp on Reddit

We can’t implement so many products as part of M365 or Azure and we aren’t using SO MUCH.

r/sysadmin on Reddit

which pattern gave you fewer edge cases around connection pooling and API performance?

r/nextjs on Reddit

O custo de manter essa infra ultrapassa o valor que cobrei na mensalidade.

r/empreendedorismo on Reddit

Are there tools that help with this, or is everyone just scripting it themselves?

r/Supabase on Reddit

Is it realistic for a non-developer to build something like this end-to-end with Lovable?

r/lovable on Reddit

It doesn't scale. Multi-tenancy was not a thing, so we had to carve out a VM for each client.

r/VOIP on Reddit

How to turn my Base44 app into a multi-tenant app for multiple organizations?

r/Base44 on Reddit

We had 110 pods per GKE 4 CPU node because that was a network imposed pod limit at the time.

Hacker News

I’m scaling a multi-tenant n8n platform and starting to realize that basic logs are no longer enough.

n8n community

SaaS founders and developers

Where they talk

  • r/softwarearchitecture
  • r/SaaS
  • r/nextjs
  • r/Supabase
  • r/msp
  • r/replit
  • r/MicrosoftFabric
  • r/Database

Tools they use today

  • Next.js
  • PostgreSQL
  • Supabase
  • Clerk
  • Redis
  • WorkOS
  • Cloudflare
  • Microsoft Entra

Why those fall short

  • instance-global credentials, no per-tenant scoping, no state migration story
  • Linters only see static code; dynamic queries, admin credentials, jobs and cache keys bypass them.
  • no way to deploy to a single pilot customer; no automated testing
  • Tenant-wide settings can't be rolled out gradually; functionality unavailable on shared tenant
  • no centralized RBAC or multitenancy; partner program unresponsive