Glean vs GitHub Chat vs Second Brain: Which Marketplace Technology tool is Best in 2025?

All these tools Glean , GitHub Chat , Second Brain offer flexible pricing models suitable for Collectors, resellers, shoppers, and small businesses seeking AI-powered solutions to enhance their Marketplace Technology efforts.

Glean

Starting from
custom

GitHub Chat

Starting from
free

Second Brain

Starting from
$20/month

These AI tools are among the best Marketplace Technology tools available in 2026. For Collectors, resellers, shoppers, and small businesses, tools like Glean , GitHub Chat , Second Brain help streamline the Marketplace Technology process by offering AI-powered features.

What is Glean?

Glean is an AI-powered Work AI platform founded by former Google search engineers to enhance enterprise productivity by connecting and understanding a company’s internal data. Glean integrates with over 100 SaaS applications, such as Slack, Salesforce, and Microsoft Teams, to provide a centralized solution for enterprise search, knowledge discovery, and task automation. Its AI assistant and agent platform deliver personalized, secure answers and automate workflows, empowering employees across departments to work smarter. Trusted by global brands like Deutsche Telekom, BILL, and Confluent, Glean transforms how businesses access knowledge and streamline operations.

What is GitHub Chat?

GitHub Chat is a free AI-powered Chrome extension launched by Bluera Inc. in 2025, designed to enable real-time conversations with GitHub repositories, files, wikis, or documentation. By integrating directly into GitHub’s interface or via githubchat.ai, it leverages advanced AI to provide instant answers about code, READMEs, or project details, enhancing developer productivity. It is ideal for programmers, open-source contributors, and cybersecurity researchers, it streamlines code comprehension and project navigation. Its intuitive interface, robust features, and ethical design make it essential for open-source contribution, code debugging, and cybersecurity research. By using GitHub Chat responsibly, users can accelerate their workflows, deepen code understanding, and excel in technical projects.

What is Second Brain?

Second Brain is an innovative AI-powered platform designed to revolutionize personal knowledge management, research, and task execution for solopreneurs, developers, and productivity enthusiasts. Unlike traditional note-taking apps like Notion or Obsidian, Second Brain integrates advanced AI chat capabilities, visual boards, and seamless data capture to organize ideas, streamline workflows, and deliver actionable insights from diverse sources like PDFs, videos, and web content. With its Chrome extension and tailored features for niche coding or business strategy, it empowers users to save time and boost efficiency.

Glean
(4.7/5)
  • Accuracy and Reliability:
    5
  • Cost-Efficiency:
    5
  • Customization and Flexibility:
    5
  • Data Privacy and Security:
    4
  • Ease of Use:
    4
  • Functionality and Features:
    5
  • Integration Capabilities:
    5
  • Performance and Speed:
    4
  • Support and Resources:
    5
GitHub Chat
  • No ratings found!
Second Brain
  • No ratings found!
Glean
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GitHub Chat
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Second Brain
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Glean

Pros

Precise

permissions-aware search across enterprise apps.

Saves significant employee time through automation.

Seamless integration with 100+ SaaS tools.

Enterprise-grade security with robust access controls.

Intuitive interface for high user adoption.

Automates complex workflows with AI agents.

Supports content generation and data analysis.

Cons

High costs may challenge smaller businesses.

Advanced customization needs technical expertise.

Occasional delays in complex searches.

Limited public pricing transparency.

Not Enough Data!
Not Enough Data!

If you're looking for other Marketplace Technology tools for Collectors, resellers, shoppers, and small businesses, you can also explore Whatnot, Snappr, which are highly rated in 2025.

Glean
  • Glean
  • Palo Alto, CA
GitHub Chat
  • Not Data Available!
Second Brain
  • Not Data Available!