Looking for a Commercial SaaS Alternative?
Meet Flexisip

Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground.

Calculate Your Savings

See how much you could save by switching from Commercial SaaS to Flexisip

Team Size25 users

1 user500 users

Commercial SaaS Price (per user/month)

Average Commercial SaaS pricing is ~$15/user/month

Commercial SaaS Annual

Self-Hosted Annual

Your Annual Savings

Save 99% annually

5-Year Projected Savings

Ready to Switch?

Deploy Flexisip on DigitalOcean in 1-click

Deploy in under 5 minutes

$200 free credits for 60 days

No credit card required to start

Automatic backups included

Get $200 in Free Credits

New users receive $200 credit valid for 60 days

Trusted by 600,000+ developers worldwide. Cancel anytime.

Commercial SaaS vs Flexisip: Feature Comparison

Feature	Commercial SaaS Paid SaaS	Flexisip Open Source
Monthly Cost	Per-user pricing	Free (hosting only)
Data Ownership
Privacy Control
Self-Hosted Option
No Vendor Lock-in
Source Code Access
Customizable	Limited	Fully
Automatic Updates		Manual
Managed Infrastructure
Official Support		Community

Repository Insights

Community activity and technical details from the Flexisip repository

License

GNU Affero General Public License v3.0

Open source license for commercial use

Forks

Community-maintained copies

Primary Languages

C++

96%

CMake

Top Contributors

fgrisez

469 commits

Failxxx

294 commits

ThibaultLemaire

196 commits

View full repository details on GitHub

Why Switch from Commercial SaaS to Flexisip?

Complete Data Ownership

Your data stays on your servers. No third-party access, no data mining, and full compliance with privacy regulations like GDPR and HIPAA.

No Per-User Pricing

Pay only for hosting (~$5-20/month), regardless of team size. Add unlimited users without increasing your costs.

Full Customization

Access the source code and customize Flexisip to fit your exact workflow. No feature limitations or paywalls.

No Vendor Lock-in

Export your data anytime. Move between hosting providers freely. Your business isn't dependent on a single vendor.

Technical Specs

GitHub Stars174

2w ago

Docker ReadyManual Setup

CategoryFlexisip

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