The Best Open-Source Alternatives to Gong
Are you looking for a free or self-hosted alternative to Gong? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the CRM ecosystem. Currently, there are 5 active replacements available, with DeepSpeech being one of the most prominent selections.
Quick Comparison: Gong vs. Open Source
Full comparison: Gong vs. DeepSpeech →| Criteria | Gong | OSS Replacements |
|---|---|---|
| Pricing model | Paid / Monthly Fees | 100% Free / Self-Hosted |
| Data Control | Third-party Servers | Full Ownership & Privacy |
| Customizability | Restricted by Vendor | Unlimited (Modify Codebase) |
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DeepSpeech
DeepSpeech is a real-time speech-to-text machine learning engine that converts spoken language into text, offering a highly accurate, open-source alternative to proprietary solutions like Gong. This powerful, community-driven tool prioritizes user privacy, making it an attractive choice for those seeking a flexible, secure speech recognition solution.
Mycroft is a highly customizable, open-source voice assistant that utilizes AI to provide users with a personalized digital experience, enabling hands-free control and interaction with various smart home devices and applications. Serving as a compelling alternative to proprietary solutions like Gong, Mycroft offers unparalleled flexibility and transparency, making it an excellent choice for users seeking a secure and private voice AI assistant.
CoquiSTT is a lightweight, high‑accuracy speech‑to‑text engine that runs locally on CPU or GPU, offering instant transcription without sending audio to the cloud. It delivers privacy‑centric, open‑source transcription for developers seeking a free, no‑data‑collection alternative to commercial tools like Gong.
Vosk is a highly customizable, open-source speech recognition library that transcribes spoken language into text with high accuracy, making it an ideal alternative to proprietary solutions like Gong for developers prioritizing data privacy and control. This powerful tool enables users to build their own speech recognition systems, free from the risks associated with outsourcing sensitive data to cloud-based services.
OpenVoiceOS is an open-source, privacy-centric voice assistant that allows users to manage their digital lives, interact with smart home devices, and control various applications, replacing the need for proprietary solutions like Gong. By leveraging this community-driven platform, users can regain control over their voice data and personal settings, fostering a more secure and transparent interaction paradigm.
Frequently Asked Questions
What is the best open source alternative to Gong?
Based on GitHub community data (including star count and fork activity), DeepSpeech stands out as one of the most reliable open-source replacements for Gong today.
Why should I use an open-source replacement instead of Gong?
Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.