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Open-source PBX and telephony toolkit for building communications applications; modular C-based engine with SIP, WebRTC, RTP, ARI/AMI APIs and hardware support.
3.5k stars1.3k forkslast commit Actively maintained
3 self-hosted Grasshopper alternatives
Grasshopper is a virtual phone system for small businesses that provides business phone numbers, call forwarding, voicemail, SMS messaging, and mobile/desktop apps to manage calls and separate work from personal communications.
Alternatives to Grasshopper
FusionPBX is a domain-based, multi-tenant PBX and softswitch web UI for FreeSWITCH, supporting extensions, IVR, queues, voicemail, provisioning, and more.
1k stars783 forkslast commit Actively maintained
Open-source, API-first platform for carrier-grade IP communications: VoIP, WebRTC, messaging, conferencing and programmable telephony microservices.
Activity unknown
What replacing Grasshopper actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 2 of 3 shipped a commit in the last six months. In exchange you take on hosting, backups and updates yourself.
Browse everything in VoIP / SIP & PBX.
