Replacement Guide

How to Build Your Own Splunk

Replace Splunk with a custom build. Turn data into doing.

Weekend Project
43 features30 integrationsOne weekend

Estimated Timeline

Based on 43 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.

1
Setup & scaffolding
2 hours
2
Core features
4-6 hours
3
Polish & deploy
2 hours

Recommended Tech Stack

Next.js 14

Full-stack React framework with API routes and server components

Supabase

PostgreSQL database, auth, and real-time subscriptions

Tailwind CSS

Utility-first styling for rapid UI development

Key Features to Replicate

Top features across 8 categories. See all 43 features

Analytics(10 features)

Anomaly DetectionAIPremium

Automatically detect unusual patterns and anomalies in data.

Business AnalyticsPremium

Analyze business metrics and KPIs from operational data.

Custom Visualizations

Create tailored dashboards and visualizations for business insights.

Data Models

Pre-built structured data representations for faster searching.

Dataset Management

Create and manage datasets for self-service data exploration.

+5 more in this category

Security(9 features)

Compliance ManagementPremium

Demonstrate compliance with regulatory standards through audit trails and reporting.

Data MaskingPremium

Protect sensitive data through automated masking in logs.

Incident ManagementPremium

Coordinate and track security incidents through integrated workflows.

Incident ReviewAIPremium

Automated incident classification and root cause analysis.

Security Information & Event ManagementPremium

Detect threats and investigate security incidents with SIEM capabilities.

+4 more in this category

Monitoring(7 features)

Application Performance MonitoringPremium

Monitor application performance and end-user experience metrics.

Infrastructure MonitoringPremium

Monitor servers, networks, and infrastructure components in real-time.

Network IntelligencePremium

Monitor and analyze network traffic and performance.

Real User MonitoringPremium

Capture and analyze real user interactions and application performance.

Real-time Monitoring

Monitor systems and applications with real-time dashboards and alerts.

+2 more in this category

Core(3 features)

Data Ingestion

Collect and index data from any source at scale.

Knowledge Management

Build and manage knowledge objects like saved searches and field extractions.

Search & Investigation

Powerful search language for querying indexed data.

Data Collection(3 features)

Forwarders

Lightweight agents for collecting and forwarding data to Splunk.

Heavy Forwarders

Advanced data collection and processing agents with filtering capabilities.

Universal Forwarder

Install on any endpoint to collect logs and metrics.

Alerting(2 features)

Alert Management

Create and manage intelligent alerts for critical events.

Smart AlertingAIPremium

Reduce alert fatigue with correlation and deduplication.

Deployment(2 features)

Cloud MigrationPremium

Tools and guidance for migrating from on-premises Splunk to Splunk Cloud.

Splunk CloudPremium

Cloud-hosted Splunk platform with automatic scaling and updates.

Automation(1 features)

Scheduled Searches

Run searches on a schedule for automated data analysis.

Cost Calculator

Keep Paying Splunk

Monthly$2400/mo
Yearly$28.8k/yr
5-Year Total$144k

Build It Yourself

Est. Build Time~3 hrs
Hosting$20/mo
DifficultyVery Easy

Total Cost Comparison

1 YearSave $28.6k
SaaS
$28.8k
DIY
$240
3 YearsSave $85.7k
SaaS
$86.4k
DIY
$720
5 YearsSave $142.8k
SaaS
$144k
DIY
$1.2k

DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 43 features at very easy complexity.

Ready to Build?