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Apache Answer

answer.apache.org

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Spec score 9.1 #1 of 37 in Customer Community Software

What it is

Apache Answer is a free, open-source Q&A platform for community forums, help centers, and knowledge management. Members can ask and answer questions, comment, vote, and earn reputation and badges. Tags, advanced search filters, and live suggestions help organize discussions and find relevant questions. Administrators can manage admin, moderator, and user roles, add users in bulk, and inspect edits in revision history. Themes and layouts can be customized, and plugins can add capabilities such as Google or generic OAuth2 login, Slack notifications, Redis caching, Algolia or Elasticsearch search, and S3 storage. Deployment options include Docker Compose, Docker, binaries, and aaPanel. The project lists binaries for Darwin ARM64, Linux AMD64 and ARM64, and Windows AMD64, and supports MySQL, PostgreSQL, and SQLite. Documentation describes controls for registration, login methods, allowed email domains, and member access to content. Apache Answer is licensed under Apache License, Version 2.0. Its security guarantee covers official repository plugins only, not third-party plugins.

Spec sheet

What it does
Apache Answer is software for running community forums, help centers, or knowledge-management Q&A sites.Read 15 Oct 2026 · answer.apache.org
Purpose
Apache Answer is a Q&A platform for building communities between users and teams, including community forums, help centers, and knowledge management platforms.Read 5 Oct 2026 · answer.apache.org
Deployment
Installation options include Docker Compose, Docker, binaries, and aaPanel, and the project provides a Docker image for each release.Read 5 Oct 2026 · answer.apache.org
Integrations
Official plugins connect services including Google, DingTalk, Slack, WeCom, Redis, Algolia, Elasticsearch, Meilisearch, S3, and Tencent COS.Read 15 Oct 2026 · answer.apache.org
Support
Support is offered through community discussions, documentation, issues, mailing lists, and Discord, with no guarantee of an instant Discord response.Read 5 Oct 2026 · answer.apache.org
License
Apache Answer is released under the Apache License 2.0.Read 15 Oct 2026 · github.com
Founded
2022Read 28 Sep 2026 · answer.apache.org
API keys and MCP
Version 2.0.0 added API-key management, an MCP server, an AI assistant, and editor-plugin support.Read 15 Oct 2026 · answer.apache.org
Bulk user management
Administrators can add multiple users in one operation.Read 15 Oct 2026 · answer.apache.org
Community management
Admins can manage admin, moderator, and user roles, add users in bulk, and track edits through revision history.Read 5 Oct 2026 · answer.apache.org
Company listing
LinkedIn describes Apache Answer as a privately held software-development organization with 2–10 employees, headquartered in Hangzhou, China, and founded in 2022.Read 15 Oct 2026 · linkedin.com
Customization
Themes and layouts can be customized, and the interface supports dark mode and responsive layouts.Read 15 Oct 2026 · answer.apache.org
Data stores
The installation guide says Apache Answer supports MySQL, PostgreSQL, and SQLite databases.Read 5 Oct 2026 · answer.apache.org
Database support
Installation supports MySQL, PostgreSQL, and SQLite backends.Read 15 Oct 2026 · answer.apache.org
Deployment methods
The project documents Docker Compose, Docker, downloadable binaries, and aaPanel installation.Read 15 Oct 2026 · answer.apache.org
Docker images
Docker Hub lists official Apache Answer images for linux/amd64 and linux/arm64, including the latest and versioned tags.Read 15 Oct 2026 · hub.docker.com
Documentation depth
Documentation includes introduction, installation, upgrades, command-line use, configuration, environment variables, plugins, user guides, developer guides, API documentation, FAQ, and security material.Read 15 Oct 2026 · answer.apache.org
Editing and revisions
Members can edit questions, answers, and tags, while revision history records changes.Read 15 Oct 2026 · answer.apache.org
Expert notifications
Users can ping relevant community members to request answers.Read 15 Oct 2026 · answer.apache.org
Independent comparison: hosting
A Scoold comparison describes Apache Answer as self-hosted only, without an official hosted SaaS option.Read 15 Oct 2026 · scoold.com
Independent comparison: trade-offs
The same comparison praises Answer’s free Apache-licensed software, plugins, APIs, roles, and audit controls, while citing maintenance needs, more involved setup, and fewer built-in integrations as drawbacks.Read 15 Oct 2026 · scoold.com
Independent deployment evidence
A DEV Community deployment guide demonstrates running Answer in Docker on port 9080 with MariaDB and scheduled S3 backups.Read 15 Oct 2026 · dev.to
Languages
The project supports multilingual communities through community-maintained translations.Read 15 Oct 2026 · answer.apache.org
Latest release
The download page lists Apache Answer 2.0.3 dated 2026-10-09, with source, Linux, macOS, and Windows archives.Read 15 Oct 2026 · answer.apache.org
Limit: customization and analytics
G2 reviewers mention limited customization or themes, missing analytics, and a desire for AI search.Read 15 Oct 2026 · g2.com
Limit: formatting and links
G2 reviewers report editor-formatting problems and occasional broken links.Read 15 Oct 2026 · g2.com
Limit: integration complexity
G2’s review summary says some users find the integration process confusing.Read 15 Oct 2026 · g2.com
Markdown editor
The editor provides side-by-side real-time Markdown preview and follows CommonMark formatting.Read 15 Oct 2026 · answer.apache.org
Notable news: ASF graduation
Apache Answer announced graduation from the Apache Incubator to an Apache Software Foundation Top-Level Project on 2025-01-28.Read 15 Oct 2026 · answer.apache.org
Notable news: reasoning support
Release 2.0.2, dated 2026-07-21, added AI reasoning content support, configurable email intervals, and authentication and permission hardening.Read 15 Oct 2026 · answer.apache.org
Notable news: semantic search
Release 2.0.1, dated 2026-05-29, added semantic search for AI chat and vector-search support.Read 15 Oct 2026 · answer.apache.org
Notifications and follows
The platform notifies users about comments, answers, invites, and votes, and supports following tags.Read 15 Oct 2026 · answer.apache.org
Operating systems
The download page lists binaries for Darwin ARM64, Linux AMD64 and ARM64, and Windows AMD64.Read 5 Oct 2026 · answer.apache.org
Plugin extensibility
Developers can create plugins for authentication, caching, search, editors, notifications, storage, anti-spam, and sidebar links.Read 15 Oct 2026 · answer.apache.org
Praise: extensibility
G2 reviewers highlight plugins, integrations, OAuth, S3 storage, moderation, and voting as useful strengths.Read 15 Oct 2026 · g2.com
Praise: usability and organization
G2 reviewers repeatedly praise ease of use, tagging, search, and organizing knowledge in one place.Read 15 Oct 2026 · g2.com
Project activity
The GitHub repository shows about 15.7k stars, 1.4k forks, and an Apache-2.0 license.Read 15 Oct 2026 · github.com
Public API
Apache Answer generates Swagger API documentation and exposes it from an instance at /swagger/index.html when enabled.Read 15 Oct 2026 · answer.apache.org
Q&A features
Members can ask and answer questions, comment, vote, and earn reputation and badges.Read 5 Oct 2026 · answer.apache.org
Q&A workflow
Users can submit questions, answer them, comment, and vote on content.Read 15 Oct 2026 · answer.apache.org
Rating on G2
4.3 out of 5 from 21 reviewsRead 15 Oct 2026 · g2.com
Release verification
The download page recommends verifying releases with OpenPGP signatures or SHA-512 checksums.Read 5 Oct 2026 · answer.apache.org
Reputation and badges
Voting contributes to reputation, and users can earn badges and privileges.Read 15 Oct 2026 · answer.apache.org
Roles
Administrators, moderators, and ordinary users have separate role capabilities.Read 15 Oct 2026 · answer.apache.org
Search
Search supports filters based on tags, usernames, scores, and other criteria, with suggestions while users type.Read 15 Oct 2026 · answer.apache.org
Search and organization
The platform provides tagging, advanced search filters, and real-time suggestions for finding relevant questions.Read 5 Oct 2026 · answer.apache.org
Security caveat
The project warns that disabling CAPTCHA can enable automated password attacks and advises careful assignment of administrator privileges.Read 15 Oct 2026 · answer.apache.org
Security controls
The docs describe login access controls for registration, login methods, and allowed email domains, plus content access controls for community members.Read 5 Oct 2026 · answer.apache.org
Security scope
The security model says Apache guarantees only official repository plugins and disclaims responsibility for third-party plugin security.Read 15 Oct 2026 · answer.apache.org
System requirements
Source builds require Go 1.25 or newer, Node.js 20 or newer, pnpm 9 or newer, mockgen 0.6 or newer, and wire 0.5 or newer.Read 15 Oct 2026 · github.com

Plans and prices

Apache Answer Free open-source core · self-hosted deployment · no paid tier stated Read 15 Oct 2026 · answer.apache.org

Every Apache Answer plan and price →

Strong points and limits

Strong points

  • Free, Apache-licensed self-hosted software.
  • Supports MySQL, PostgreSQL, and SQLite.
  • Includes roles, bulk user addition, and revision history.
  • Plugins cover search, notifications, and storage.
  • Offers Docker and binary deployment options.

Limits

  • Third-party plugin security is not guaranteed by the project.
  • Self-hosted deployment requires an installation choice.
  • Discord support has no guarantee of an instant response.

Who it suits

It suits teams that want to host and customize a Q&A community, help center, or knowledge base. Its roles, access controls, and database options are relevant to administrators managing a self-hosted installation.

Apache Answer in depth

Read the full write-up

Overview

Apache Answer is a Q&A platform for teams building community forums, help centers, or knowledge-management spaces. It is best suited to organizations that want members to contribute and moderators to shape a self-hosted community. Its core participation and management tools cost nothing, but the team running it must own deployment and plugin-security decisions.

Key features

Members can ask and answer questions, comment, vote, and earn reputation and badges. That makes Answer a fit for communities that depend on peer contributions, rather than only publishing a fixed set of support articles. Tags, advanced search filters, and real-time suggestions help members find relevant discussions as the collection grows.

Admins can assign admin, moderator, and user roles, add users in bulk, and track edits with revision history. These controls give community managers useful ways to organize participation and oversee changes. Themes and layouts are customizable, while plugins can add services such as Google or generic OAuth2 login, Slack notifications, Redis caching, Algolia or Elasticsearch search, and S3 storage.

Access controls cover registration, login methods, allowed email domains, and community content. Plugin choice still calls for care: Apache Answer guarantees the security of official repository plugins only and disclaims responsibility for security issues from third-party plugins. Teams that cannot review and maintain their extensions should be cautious about expanding beyond the official set.

Pricing

Apache Answer is free, open-source software under the Apache License, Version 2.0. Its Apache Answer plan costs nothing and uses self-hosted deployment. That removes a software subscription from the decision, but not the work of selecting an installation method, operating the service, or evaluating plugins. No paid tier is described, so this is a strong fit for teams seeking a no-license-cost platform and able to take responsibility for running it.

Platforms

Apache Answer supports Linux, macOS, Windows, web access, and self-hosting. Installation options include Docker Compose, Docker, binaries, and aaPanel, with a Docker image for each release. The download page provides binaries for Darwin ARM64, Linux AMD64 and ARM64, and Windows AMD64. The installation guide supports MySQL, PostgreSQL, and SQLite.

That range gives teams flexibility to match deployment to their environment, but it also means they need to choose and manage the setup that fits. The project recommends verifying releases with OpenPGP signatures or SHA-512 checksums, a useful step for teams managing their own installations.

Who it's for

Answer suits organizations that want a configurable place for users and teams to exchange questions, and that value moderation, search, and revision tracking alongside member participation. It is less suitable for teams looking for a hosted service that removes deployment and extension-security duties. Support comes through community discussions, documentation, issues, mailing lists, and Discord; Discord does not guarantee an instant response, so teams needing immediate assistance should account for that.

Pros and cons

Pros: No software fee and an Apache 2.0 license make the platform accessible to teams prepared to self-host.

Pros: Questions, answers, comments, votes, reputation, and badges support active community contribution.

Pros: Roles, bulk user additions, revision history, and access controls give moderators practical oversight.

Cons: Teams must choose and manage deployment rather than rely on a hosted setup.

Cons: Third-party plugin security is the operator's responsibility, which limits how casually teams should extend the system.

Cons: Community-based support, including Discord without an instant-response guarantee, may not suit teams that need immediate help.

Alternatives

For a broader set of customer community software, compare the category before committing to a Q&A-focused platform.

Discourse is another free, open-source self-hosted option; consider it if its community-forum approach better fits your needs. Sugester has a free plan capped at three users and includes email, client-list, project, and storage limits, so it may fit a small team wanting those bundled functions. HelloBox offers a free plan and paid Starter and Growth tiers, with member and monthly-view caps, for teams comparing a web-based community service with usage-based limits.

Circle is a paid option with a Professional plan at $89 a month, billed annually, and includes unlimited members with specified admin, moderator, and space limits; consider it if that plan's structure suits your community. Invision Community offers paid plans with listed storage and monthly member-view allowances, but custom pricing is the relevant choice when a public price is not provided. Freshdesk is a paid alternative with a free program for 1–2 agents for six months and a Growth plan at $19 a month billed annually; it may suit teams considering an agent-based support product instead.

Oracle Community Self Service and Oracle WebCenter Content are paid alternatives for readers considering Oracle offerings.

Verdict

Choose Apache Answer if you want a free, self-hosted Q&A community with participation, search, and moderation tools, and have the capacity to manage its installation and extensions. Look elsewhere if avoiding operational responsibility or getting guaranteed rapid support matters more than controlling the deployment.

Verdict

Apache Answer provides the core tools for running and moderating a Q&A community, with multiple deployment methods and extension points. Account for installation and plugin security responsibilities when planning a self-hosted setup.

Where Specifiction places it

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