Open-source call center software, built for your team
Fonemonk gives your team a real agent desktop for live calls, queueing, and presence. Self-host it under AGPLv3, or let us run it for you.
A call center your team actually runs
A real agent desktop
Live call queueing, presence, and a browser softphone for human agents to answer and make calls
Real call analytics
Volume, outcomes, and trends pulled straight from your call history, not a sample chart
Open source, AGPLv3
The full platform is on GitHub. Self-host it on your own infrastructure, or run it hosted with us
See it running on your own call flow
Tell us a bit about your setup and we'll walk you through Fonemonk's agent desktop and call routing live.

Built for real agents, not a demo
Queueing, presence, and a browser softphone your agents use every day. It's open source, so you can see exactly how it works and change it
Fonemonk is enterprise ready
Engineered for security
Enterprise-grade security measures to protect your call and customer data
Rapid onboarding
Get your team up and running with Fonemonk in just 2 hours
Fully auditable
Open-source code means your security team can review it, not just trust it

Loved by Teams Worldwide
Don't just take our word for it. See what our customers have to say about their experience.
We self-host Fonemonk on our own infrastructure. The queueing and agent desktop just work, and we're not locked into anyone's roadmap but our own.
Sarah Johnson
Sales Manager, TechCorp
The analytics dashboard provides insights we never had access to before. It's helped us make data-driven decisions that have improved our conversion rates.
Michael Chen
Marketing Director, GrowthLabs
Customer support is exceptional. Any time we've had an issue, the team has been quick to respond and resolve it. Couldn't ask for better service.
Emily Rodriguez
Operations Lead, StartupX
We've tried several similar solutions, but none compare to the ease of use and comprehensive features of Fonemonk. It's been a game-changer for our sales team.
David Kim
CEO, InnovateNow
Being able to read the actual code before we trusted it with customer calls made the security review a non-issue. Try doing that with a closed-source vendor.
Lisa Patel
Sales Director, RemoteFirst
Implementation was seamless, and the ROI was almost immediate. We've increased our sales pipeline by 40% since switching to Fonemonk.
James Wilson
COO, ScaleUp Inc
Open source, start to finish
Fonemonk on GitHub
Read the source
The agent desktop, call routing, and backend are all in one public repo
Self-host it
Run the whole platform on your own infrastructure with Docker Compose
AGPLv3 licensed
No hidden proprietary core — modifications and hosted forks stay open too
