Confluence Has a Free Wiki Platform — Documentation That Actually Gets Read

Your team's knowledge is trapped in Slack threads, Google Docs, and people's heads. Confluence gives it a home — a structured, searchable wiki that integrates with your entire Atlassian toolchain.

Free Tier

• Up to 10 users
• Unlimited spaces and pages
• Page templates (meeting notes, decisions, how-tos)
• Jira integration — embed Jira boards and roadmaps
• Real-time collaboration — multiple editors simultaneously
• 2GB file storage

Why Developers Use Confluence

Architecture Decision Records (ADRs)

# ADR-001: Use PostgreSQL over MongoDB

## Status: Accepted
## Date: 2026-03-15

## Context
We need a primary database for user data and transactions.

## Decision
PostgreSQL for:
- ACID compliance for financial transactions
- Structured data with complex queries
- PostGIS for location features

## Consequences
- Team needs SQL expertise
- Migration scripts needed for schema changes
- Connection pooling via PgBouncer

Runbooks

# Incident Runbook: API Response Time > 2s

## Detection
- Alert: New Relic "API P95 > 2000ms"
- Dashboard: grafana.internal/d/api-latency

## Diagnosis Steps
1. Check DB connection pool: `kubectl exec -it api-pod -- curl localhost:9090/metrics | grep pool`
2. Check slow queries: `SELECT * FROM pg_stat_activity WHERE state = 'active' AND duration > interval '1 second'`
3. Check memory: `kubectl top pods -n production`

## Resolution
- If DB pool exhausted: Scale API pods `kubectl scale deployment api --replicas=5`
- If slow queries: Check for missing indexes
- If memory pressure: Restart pods one by one

REST API

// Create a page
const response = await fetch(
  'https://your-instance.atlassian.net/wiki/api/v2/pages',
  {
    method: 'POST',
    headers: {
      'Authorization': `Basic ${Buffer.from('email:api-token').toString('base64')}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      spaceId: 'ENGINEERING',
      title: 'API Design Guidelines',
      body: {
        representation: 'storage',
        value: '<h1>API Design Guidelines</h1><p>All APIs must follow REST conventions...</p>'
      }
    })
  }
);

The Bottom Line

Confluence turns tribal knowledge into searchable, structured documentation. The free tier for 10 users is perfect for small teams who need more than Google Docs but less than a full knowledge management platform.

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