We don't know any good Salesgear.io open-source alternatives yet.
You are more than welcome to suggest any alternatives that you know of, or ask the community for suggestions.
Alternatively, we recommend checking out LibHunt for open-source libraries and alternatives to Salesgear.io.
Everything you need to simplify your outbound sales workflow is now in one place. No more juggling multiple tools for your daily sales tasks. Automated outreach, multi-channel engagement, email warming, domain health checks, AI-driven email writing, and more—all under one roof.