1 Open Source Alternatives to Stack Overflow
A list of 1 carefully selected open-source alternatives to Stack Overflow.

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.
If you’re looking for alternative features or workflows, here is a prepared detailed list of Stack Overflow open-source alternatives — each with its own distinctive strengths and key features.
Scoold is a self-hosted, team-oriented Q&A platform inspired by Stack Overflow. It empowers teams to share knowledge, troubleshoot, and collaborate seamlessly. Available as a free version and in premium Pro tiers, Scoold blends open source flexibility with enterprise-grade features.

Key Features
- Full Q&A platform with post revisions, reputation, and badges
- Multiple deployment options: on premises, cloud, or VPS
- Advanced search capabilities powered by Elasticsearch and Para
- Comprehensive authentication options including LDAP, SAML, OAuth, and 2FA
- Responsive, lightweight frontend with customizable themes and dark mode
- Integrations with Slack, Mattermost, Microsoft Teams, and Zapier
- Geolocation filtering and RESTful API support for seamless integration
Scoold provides a full-featured question and answer portal designed for teams, supporting post revisions, reputation systems, and badges. It offers cloud-optimized deployment options along with integrations such as LDAP, SAML, social logins, Slack, Mattermost, and Teams. The platform features full-text search via Elasticsearch, geolocation-based filtering, customizable themes, and a responsive, lightweight frontend to ensure reliable performance across environments.
Price comparison of Stack Overflow open-source alternatives
Tool | Tier 1 | Tier 2 | Tier 3 | Details |
---|---|---|---|---|
![]() | $0 Scoold Free | $499 Scoold Pro | $1999 Scoold Pro + Source Code | Learn more |
* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.
About Stack Overflow

Stack Overflow
Stack Overflow empowers the world to develop technology through collective knowledge.
2008
2
Rmismhle, Switzerland