Best Self-Hosted Knock Alternatives in 2026
Knock is a notification infrastructure platform for building cross-channel notification systems with in-app, email, push, and SMS.
1 Self-Hosted Alternative to Knock
Why Look for Knock Alternatives?
Knock is a notification infrastructure platform for building cross-channel notification systems with in-app, email, push, and SMS.
Self-hosted alternatives give you full data ownership, predictable costs, and zero vendor lock-in. You run the software on your own infrastructure and control everything.
1 Best Open-Source Alternative to Knock
Novu
Open source notifications framework — 38,696 GitHub stars. Licensed under MIT.
Why Self-Host Instead of Knock?
- Data ownership. Your data stays on your server, not on Knock’s infrastructure.
- Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- No vendor lock-in. Export and migrate your data anytime. You control the database.
- GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Why teams switch from Knock
- → Data ownership. Your data stays on your server -- not on Knock's infrastructure.
- → Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
- → No vendor lock-in. Export and migrate your data anytime. You control the database.
- → GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.
Head-to-Head Comparisons
Browse more Email & Newsletters tools
Explore 73 open-source email & newsletters tools you can self-host.
View Email & Newsletters →