2 Open Source Alternatives to Confluence

A list of 2 carefully selected open-source alternatives to Confluence.

Created by

Adrian

Mar 9, 2025Updated•3 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 Confluence open-source alternatives — each with its own distinctive strengths and key features.

Outline

30,912

2,452

Outline is the fastest knowledge base designed for growing teams, offering a beautiful, real-time collaborative experience that is fully markdown compatible. It helps teams seamlessly organize information and improve productivity with a feature-packed, intuitive interface.

Key Features

Blazing fast editor with markdown support
Realtime collaborative editing with commenting and threads
Powerful search and AI-driven question answering
Seamless integrations with Slack, Figma, Loom, and more
Customizable branding, custom domains, and dark mode
Robust security with granular permissions
Open source with self-hosted options

Outline enables your team to create, manage, and share a dynamic knowledge base with ease. The platform boasts a blazing fast editor with markdown support, realtime collaborative editing, and powerful search capabilities including AI question answering. Integrated with tools like Slack and over 20 other popular integrations, it also offers customization options such as dark mode and custom domains. Outline is open source, allowing users to self-host and tailor the experience to their organizational needs.

Learn more about Outline

FastGPT

22,473

5,766

FastGPT is a free, open-source AI knowledge platform built on LLMs. It offers a suite of out-of-the-box capabilities including data processing, RAG retrieval, and visual workflow orchestration that empower users to build specialized AI assistants with ease.

Key Features

Domain-Specific AI Assistant creation using imported documents and Q&A pairs
Automated text preprocessing, vectorization, and QA segmentation
Visual drag-and-drop workflow orchestration
Seamless API integration with popular platforms like Discord, Slack, and Telegram
Comprehensive debugging tools and multi-model compatibility

FastGPT delivers a robust knowledge base platform that enables the creation of domain-specific AI assistants by automating text preprocessing, vectorization, and QA segmentation. Its visual drag-and-drop interface streamlines the design of complex workflows, while seamless API integrations with platforms like Discord, Slack, and Telegram allow for easy expansion and customization of LLM applications.

Learn more about FastGPT

Price comparison of Confluence open-source alternatives

Tool	Tier 1	Tier 2	Tier 3	Details
Outline	$10 Starter	$79 Team	$249 Business	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 Confluence

Confluence Technologies is a global leader in data-driven investment management solutions, dedicated to optimizing efficiency and control for its clients. With over 1000 clients in 40 countries worldwide, Confluence offers a wide range of products and services designed to empower knowledge and drive success. Their Performance & Analytics solutions provide transparent and accurate oversight into performance and attribution across the organization, allowing clients to evaluate and enhance their investment strategies. The Risk solutions help mitigate risk and meet regulatory requirements in an increasingly demanding environment. Confluence's Data Technology & Services transform raw data into meaningful insights, offering solutions to complex data challenges. Their Regulatory solutions provide regulatory insight and comprehensive analytics, enabling teams to navigate and comply with global regulatory mandates. Additionally, Confluence's Investor Communications solutions streamline the delivery of reporting, disclosures, and fact sheets, elevating operational excellence and control. With a track record of serving top asset managers and service providers, Confluence Technologies is a trusted partner in the investment management industry.