FreeSWITCH might be a bit more popular than Copper. We know about 1 link to it since March 2021 and only 1 link to Copper. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I've seen Copper CRM work quite well for contractors (assuming that your team is using or open to using Google Workspace - if you're not using Google Workspace, I'd probably ask why not? But then recommend you to use Pipedrive if you're not willing to switch to Google Workspace). Source: over 1 year ago
I thought FREESwitch was the new hotness in PBX software? https://freeswitch.com/. - Source: Hacker News / over 2 years ago
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Asterisk - An open source telephony switching and private branch exchange service for Linux.
Pipedrive - Sales pipeline software that gets you organized. Helps you focus on the right deals, so easy to use that salespeople just love it. Great for small teams.
freepbx - FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).
Freshsales CRM - A full-fledged CRM for high-velocity sales teams.
FusionPBX - FusionPBX is an open source FreeSWITCH GUI.