1 Open Source Alternatives to Stack Overflow

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

Adrian
Created by
Adrian
Mar 9, 2025Updated3 min read

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.

#1
Scoold logo

Scoold

881
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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.

Scoold screenshot

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

ToolTier 1Tier 2Tier 3Details
Scoold logo
Scoold
$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

Founded in 2008, Stack Overflow is a highly popular and widely used public platform that empowers individuals in the software development field. With a mission to enable the world to advance in technology through collective knowledge, Stack Overflow serves as a hub for learning, knowledge sharing, collaboration, and career-building. Every month, over 100 million individuals visit the platform to ask questions, seek answers, and share technical expertise. In addition to their public platform, Stack Overflow offers a range of products and tools to assist developers in their work. Stack Overflow for Teams is a knowledge management and collaboration solution that is revolutionizing the way people work. Their other offerings include Stack Overflow Advertising, Collectives™ on Stack Overflow, and Stack Overflow Talent. The company boasts an impressive track record with 21+ million questions answered to date, and their products are used by over 10,000 customer organizations worldwide. Stack Overflow's dedication to its community is exemplified through their core values, which center around customer empowerment, inclusivity, transparency, accountability, and fostering a vibrant and supportive developer community. With a remote-first approach, Stack Overflow embraces a global workforce distributed across multiple time zones. They provide various channels for support, including a comprehensive FAQ, a meta community for platform feedback, and a dedicated support team for Stack Overflow for Teams. Through their commitment to continuous learning, growth, and community building, Stack Overflow remains at the forefront of the developer community, serving as an indispensable resource for technology professionals worldwide.
This comparison data was compiled with AI assistance.
Stack Overflow logo

Stack Overflow

Stack Overflow empowers the world to develop technology through collective knowledge.

Founded

2008

Employees

2

Location

Rmismhle, Switzerland

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