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Fully Managed Apache Answer
as a Service

Deploy Apache Answer as a fully managed service starting at €9/mo. Get automated backups, SSL, updates, support and monitoring included.

Apache Answer is an open-source Q&A and community knowledge platform — a Stack-Overflow-style site you own. It graduated to an Apache Software Foundation Top-Level Project in January 2025 and shipped v2.0.0 in February 2026 with an AI Assistant, an MCP server, and API Keys. Same architecture as the proprietary platforms; no per-seat metering.

Free 7-day trial  99.9% Uptime SLA  No credit card  Cancel anytime

Free 7-day trial  99.9% Uptime SLA
No credit card  Cancel anytime

Apache Answer

Apache Answer

STARTING AT

€9/month
Automated Backups
Monitoring
Automated Updates
Auto SSL

USAGE

Unlimited
Human Support
Custom Domains
Terminal Access
File Manager Access
Deploy in your region 21 locations worldwide
GermanyFinlandNetherlandsUKSwedenUnited StatesCanadaSingaporeJapanAustraliaBrazilSouth Africa+9 more →
Apache Answer Preview Image

ABOUT THE SOFTWARE

What is Apache Answer

Apache Answer is an open-source question-and-answer platform for communities, customer-support knowledge bases, and internal engineering teams. It was donated to the Apache Software Foundation by SegmentFault, entered incubation in August 2023, and graduated to Top-Level Project on 28 January 2025.

The codebase is a single Go binary, Apache 2.0 licensed, with a React frontend and pluggable backends for MySQL, PostgreSQL, or SQLite. Search runs on the database by default; Elasticsearch, Meilisearch, and Algolia plugins are official. Storage defaults to local filesystem.

The project has 15,500 GitHub stars and 15 translated language packs, and the maintainers run their own community Q&A on Apache Answer at meta.answer.dev. v2.0.0 introduced an AI Assistant, an MCP server that lets AI agents read and write to the Q&A, API Keys for integration scripts, and an editor-plugin system. The PMC chair is Ning Qi; the project name and feather logo are trademarks of the Apache Software Foundation.

FEATURES

What Apache Answer does

Apache Answer ships a Stack-Overflow-style Q&A surface with tags, reputation, badges, and accepted answers. The v2.0.0 release in February 2026 added an AI Assistant, an MCP server, and API Keys, putting the open-source binary on feature parity with the AI-knowledge-layer story proprietary platforms are now selling.

Q&A with reputation and badges

Stack-Overflow-style question, answer, comment, and vote model. Reputation grants moderation privileges; badges mark progress milestones. Admins can rebalance thresholds for internal-only communities where every contributor should participate from day one.

Multi-backend search

Built-in database full-text search by default. Official plugins swap in Elasticsearch, Meilisearch, or Algolia when latency or scale requires it. The plugin compiles into the binary at build time.

Plugin ecosystem

Connectors for GitHub, Google, and generic OAuth2 sign-in. Storage plugins for S3, AliCloud OSS, and Tencent COS. Anti-spam via Akismet or Baidu. CAPTCHA, CDN, and Slack-user-sync available.

API Keys and MCP server

v2.0.0 formalised the REST API with per-key scopes. The MCP server lets AI agents read questions, post answers, and search the knowledge base — the same architectural pattern enterprise Q&A platforms charge for.

Tag-based organization

Tags route questions to maintainers and act as per-area moderation surfaces. Tag wikis hold canonical context; per-tag moderators can be assigned without giving site-wide admin.

Markdown editor

CommonMark-compliant editor with real-time preview. v2.0.0 added an editor-plugin system; community plugins exist for formulas, charts, and code-block extensions.

Fifteen language packs

Translated UI as of TLP graduation: English, Chinese (simplified and traditional), French, German, Italian, Japanese, Korean, Persian, Polish, Portuguese, Romanian, Russian, Spanish, Vietnamese.

AI Assistant

v2.0.0 added a built-in AI Assistant that can summarise threads, suggest tags, and draft answers from existing site content. Pluggable model backends; runs against the customer's own keys.

WHAT'S ALWAYS INCLUDED

Every app. Fully managed.
Nothing extra to pay for.

Every app you deploy includes the full managed service — security, backups, updates, and support from day one.

Automatic updates and patches

Apps run the latest stable version. Security patches applied silently, with rollback if needed.

Daily off-site backups

Multiple daily backups in redundant off-site locations. One-click restore if anything goes wrong.

24/7 uptime monitoring

Continuous monitoring with instant alerting. We respond before you notice.

SSL, firewall, DDoS protection

Auto-renewing SSL, hardened firewall rules, DDoS mitigation on every deployment.

Performance and scaling

We monitor resource usage continuously. When your app needs more headroom, we flag it and upgrade with your explicit approval.

Dedicated engineering support

Real engineers on chat. DNS, SMTP & migration help. All included in €9.

WHY MANAGED

Why teams pick managed Apache Answer

On 12 November 2025, Stack Overflow rebranded Stack Overflow for Teams as Stack Internal, repositioning the product around AI ingestion and the Enterprise tier. The same year, Apache Answer became an Apache Top-Level Project and shipped v2.0.0 with its own MCP server. Teams looking for an open, owned Q&A surface noticed.

Running an Apache Answer instance is not the hard part. The hard part is what arrives in week three: the search index drifts and questions stop matching tags; the BoltDB cache file at /tmp/cache/cache.db disappears on a container restart and badge counts reset; an email-verification link stops arriving because the SMTP relay's STARTTLS handshake fails on a certificate-name mismatch. Each of those is a real bug filed against the project — issues #271, #879, #1001, and #1517. The configuration knobs to avoid them exist. Knowing which knobs, and patching them through point releases, is the work.

The SMTP gotcha is the most common entry-point failure. Apache Answer's admin panel offers only SSL or None for outbound mail encryption; there is no STARTTLS option. Out-of-the-box, a connection to Office 365, Amazon SES, or any modern corporate relay returns a TLS error and the verification mail never sends. Email verification is mandatory before a newly registered user can log in, so the practical effect is a fully bricked sign-up flow on day one. Fixing it requires a relay sidecar that terminates STARTTLS or an SMTP provider that still accepts implicit-SSL on port 465.

REVIEWS

Hear from customers ​like you​​​​​​​

Successful businesses and professionals around the world rely on DANIAN every day

USE CASES

Three teams who run Apache Answer on DANIAN

Three example deployments below show the configuration choices DANIAN makes for Apache Answer at different team shapes. Each is a composite of patterns we've configured. The region, database backend, plugin set, and SMTP relay change with each shape; the €9 price does not.

OPEN-SOURCE MAINTAINER TEAM, 6 PEOPLE

Consolidating support out of Discord and GitHub Discussions

A Rust HTTP framework's maintainers ran user questions across three Discord servers and a noisy GitHub Discussions tab. We provisioned in Germany with MySQL, compiled the connector-github plugin into the binary so contributors sign in with their existing GitHub identity, and enabled Meilisearch for sub-100ms search. Tag namespaces seed crate-area prefixes; per-tag moderators are assigned without site admin.

 140-ENGINEER FINTECH

Replacing a Confluence Q&A macro that nobody could search

A Series-C payments company with offices in Stockholm, London, and Bangalore wanted a real internal Q&A surface. We deployed in Sweden on MySQL, pre-built the OAuth plugin against their Okta tenant, and enabled the Elasticsearch plugin with one shard and one replica. SMTP routes through Amazon SES with our STARTTLS relay. The reputation system is rebalanced for internal participation from day one.

 EDTECH PLATFORM, 25 UNIVERSITY CLIENTS

Public learner-to-learner Q&A with per-course privacy

An EdTech company's learner community runs from Ashburn with a CDN front-end. The connector-basic plugin federates to their LMS via OIDC. The S3 storage plugin uses a customer-owned AWS bucket. The Slack notification plugin posts unanswered questions older than thirty minutes to the support channel. Per-course tag visibility keeps cs101/* questions off the public index.

COMPARISON

Four ways to run Apache Answer

There are four realistic paths to running Apache Answer in production: pay a proprietary equivalent per seat, rent a VPS and self-host, run a home server, or pay a flat managed price. The math below uses verifiable current prices for each path at 1, 5, and 10 active users.

 PATH1 USER5 USERS 10 USERSNOTES
Stack Internal Business
(per-seat SaaS)
$13.50/mo$67.50/mo$135.00/moScales linearly per seat. SSO and full API gated to this tier or higher.
Self-host on a $24/mo VPS~$44 infra + €60–240 opssame hardware + DB tuningsame hardware + larger search nodePatching, SMTP debugging, backup verification, and on-call are on you.
Home server
(HP ProLiant ML30 Gen10)
€210–667/mo all-in€210–667/mo all-in€210–667/mo all-inHardware amortised over 36 months + electricity + business internet + off-site backup.
DANIAN Managed Apache Answer€9/mo€9/mo€9/moFlat. Patching, backups, monitoring, SSL, support included.

Stack Internal's per-seat math is linear; ten users on the Business plan equals $135/month, fifty users equals $675. Apache Answer on a managed €9 node holds flat regardless of how many users sign up. The VPS path is the cheapest on paper until the operational hours are priced — patching, SMTP debugging, backup verification, and on-call run €60–240/month at a freelance sysadmin rate. The home-server path is real for someone with the workspace, the static IP, and a redundancy mindset; the all-in cost lands above the managed node once business-grade internet and an off-site backup target are included.

The honest read: pick path 4 when you want a working Q&A instance without the operational overhead; pick paths 2 or 3 when running the infrastructure is itself part of what you want.

BY INDUSTRY

Apache Answer for specific industries

Four industries put specific operational demands on a community Q&A platform. Each block below names the standard or regulation that shapes the deployment, the configuration choice DANIAN makes for that combination, the workflow that follows, and a real number for context.

Open-source projects answer to the Apache License 2.0 terms when they redistribute Apache Answer, and to OSI-compliant licensing for any custom plugins. The license layer is the operational standard; contributor PII in user profiles is the secondary one.

The workflow that follows is the tag-follow plus weekly email-digest combination. Module owners follow the tags that correspond to their crate or module; the digest pushes "unanswered questions in tags you maintain" once a week. Apache Answer itself dogfoods this pattern at meta.answer.dev.

The project's own incubation numbers are the reference scale: 104 contributors, 144 translators, 193 issues, 323 PRs during the 17-month Apache incubation.
B2B SaaS companies face customer-procurement reviews that ask where support data lives and who can read it. The operational standard is the customer's data-residency expectation, written into the order form.

We pin the Apache Answer instance to a single region matching the customer base — Germany for an EU-heavy product, USA for North American.

The follow-on workflow is helpdesk-mirror: tag namespaces in Apache Answer match Zendesk or Intercom category labels. The v2.0.0 API Keys feature posts resolved Q&A back into the helpdesk as a macro, so the canonical answer lives in the open Q&A and the ticket queue inherits it.

Proprietary Q&A platforms publish 30% support-ticket deflection as a typical case-study figure for the same architectural pattern.
US institutions handle FERPA when student questions touch graded discussion or instructor feedback. EU institutions handle the equivalent data-processing frameworks their student-record systems already operate under. Both reduce to per-course privacy at the Apache Answer level.

We configure per-tag visibility so questions tagged course-abc/* are visible only to enrolled learners. SSO federates to the institution's OIDC identity provider.

The workflow is one tag namespace per course code, per-tag moderators set to teaching assistants, and a weekly digest exported into the LMS announcement feed via the v2.0.0 API. Anonymous questions are not allowed at the platform level — email verification is mandatory — so the access log follows the institution's existing identity system.

A 200-student course on a per-seat enterprise Q&A platform's Business tier costs $2,700/month at the $13.50/user rate. The same cohort runs on one €9 Apache Answer node.
Internal IT teams map to ITIL v4 Knowledge Management practice: a structured base of articles and Q&A that supports first-line deflection and self-service. The operational standard is the organisation's existing IT-service-management framework.

The workflow that fits is the v2.0.0 MCP server: the internal AI assistant — Copilot, Claude Desktop, or a custom agent — reads from and writes back to the Apache Answer instance, turning the Q&A surface into the structured knowledge layer behind the chatbot. The same architecture proprietary enterprise Q&A platforms now sell.

A 500-engineer internal team on Stack Internal Business pays $81,000/year before any Enterprise add-ons. One Apache Answer node on DANIAN holds the same population without per-seat metering.

FAQ

Frequently asked questions

Everything teams ask before signing up — answered straight, without sales speak.

Three groups: technical setup, migration, and how DANIAN works as a service.

01

Technical and configuration

Apache Answer's outbound mail offers SSL or None — no STARTTLS option, so Office 365, Amazon SES, and many corporate relays return a TLS error and verification emails never arrive. We terminate STARTTLS on a relay sidecar in our image so SMTP works against any modern provider from first boot. The underlying gaps are tracked at GitHub issues #879, #1001, and #271.
Two official plugins: Akismet and Baidu Anti-Spam. We enable Akismet by default on public-facing instances and turn it off for internal-only deployments. Reputation-threshold gates for new accounts are configurable in the admin UI — answering threshold, voting threshold, comment threshold, and link-posting threshold all sit there.
The v2.0.0 release in February 2026 formalised REST API keys with per-key scopes. Before that, programmatic access required scraping the web frontend. The MCP server shipped alongside the API in v2.0.0; AI agents read from and write to the Q&A through the same authentication.
The admin UI exposes custom CSS injection for branding tweaks — colour palette, logo, header layout. Deeper theming requires a frontend rebuild because the React bundle is generated at build time. We accept theme PRs and rebuild the managed image; turnaround is typically the same day.

02

Migration and onboarding

We can activate your app on your own custom domain/subdomain. Examples: mydomain.com, anyword.mydomain.com.
Or, on our randomized free subdomain. Example: 963.apps.danian.cloud
If you wish to use a custom domain/subdomain, select that option when ordering your app (or notify us later). We will send you the required DNS records and if needed, our tech team will modify them for you.
21 datacenter locations across six continents. You choose the region at provisioning. Application data sits in the region you choose; pick whichever is closest to your users or matches your data-residency preference.
Yes. Request a region migration from the dashboard and we run the move in the background. The system emails you when the migration completes; total transfer time depends on data volume but typical instances finish in a few hours. There is no extra charge for a region change.
Yes. Full data export is available at any time, in a portable format you can bring to any infrastructure.
There is no official one-click importer in v2.0.0. The v2.0.0 API Keys feature makes scripted imports practical — for Stack Internal or Stack Overflow Enterprise, the source platform's data export plus a small import script will move questions, answers, tags, and user identities. We've configured this for migration projects on request.

03

Billing, support, and platform

€9 covers everything we do for that app: hardware in the region you choose, daily off-site backups with one-click restore, automatic security patches and version upgrades, 24/7 monitoring, SSL and firewall, and engineering support on Email/LiveChat. There are no setup fees or hidden line items. For more info see our Pricing page.
If you decide to continue, we charge €9/app/month from day 8. If you don't, the trial ends and you can export your data. No card is required for the trial, and we never auto-charge you without explicit consent.
No. The €9/month is flat regardless of how many users log into your app. Add 5 users or 50; the price doesn't change.
24/7 Live chat and email support, both staffed by engineers who run the systems. We handle DNS configuration, SMTP setup, app integrations, performance tuning, troubleshooting, and migration help. Response time is typically under an hour. There is no tier system — every customer gets the same support.
Yes. Cancel from the dashboard. We don't charge a cancellation fee, we don't lock data, and we will export your data to you on request before deletion. data to you on request before deletion.
Every customer instance is backed up daily to a separate region from the primary. We test restores. You can request a restore at any backup point within the retention window — usually 7 days for daily backups.
Your application data sits in the region you choose at provisioning — 21 datacenter locations across six continents. Account-level data (billing, account email, support ticket history) is processed centrally. Application data region is picked by you, per app.
99.9% uptime SLA on every app, every tenant. Service credits are documented at danian.co/service-level-agreement. The status page is located at status.danian.co.
When your tenant approaches the resource ceiling — the base tier holds 1 vCPU/RAM, 30 GB storage — we notify you. Resource upgrades happen with your explicit consent; we will not upgrade your tenant or charge you without it.
We wait. We don't suspend the app or delete your data on the first failed charge. We email you, you fix the card on file, and we continue.
Invoices can be downloaded from the billing dashboard in PDF the day each charge succeeds. EU VAT is added where applicable and the VAT-reverse-charge regime applies for VAT-registered businesses with a valid number.
150+ open-source apps across automation, team chat, file sync, analytics, AI, password management, email marketing, dev tools, project management, smart home, CMS, and federated social. See the full catalog →
Yes. Every instance comes with a web-based terminal and a file manager in your DANIAN management dashboard. Useful for managing your data and customizations.
Resources scale with your usage. If your app needs more vCPU, RAM, or storage, we add it — and we ask first before any change to your plan. €9 is the floor; resource-heavy workloads may price higher, but you'll always know in advance.
Yes. We have both a Partner program and an Affiliate program available. Anybody can sign up.
No contract. No minimum commitment. Cancel anytime from the dashboard with one click. The 7-day free trial requires no credit card. After the trial converts to paid, you can still cancel at any month without notice or penalty.

DEPLOY IN YOUR REGION

21 datacenter locations on six continents

Pick the region closest to your users.

United States, Germany, Finland, Singapore, Australia, Brazil, Canada, Netherlands, UK, Spain, Italy, France, Sweden, Malaysia, India, Japan, Mexico, Poland, South Korea, Chile, South Africa and more coming soon

Global Reach Map

Try managed Apache Answer for 7 days

No card. Cancel from the dashboard.