Your Process Data.
Stored for Less.
Lightweight time-series database. OPC UA, MQTT, REST API. 90% compression.From hobbyists to industrial facilities.
Built for Industrial & IoT
OPC UA and MQTT support. WebSocket streaming. File-based storage. Everything you need.
OPC UA
Enterprise-grade industrial protocol. Connect to PLCs, RTUs, and any OPC UA compliant device.
MQTT
Lightweight IoT protocol. Perfect for edge devices, home automation, and distributed sensors.
REST API
Simple HTTP-based API for data ingestion and querying. Works with any language or platform.
Smart Compression
Deadband filtering. Only store values that changed meaningfully. 90% storage reduction.
File-Based Storage
No expensive database licenses. Store everything as compressed Parquet files. Cheap and queryable.
Real-Time WebSocket
Live data streaming. Get instant updates as measurements arrive. Perfect for dashboards.
Tiered Storage
Hot/Cold/Archive tiers. Recent data fast, historical data cheap. Automatic lifecycle management.
Multi-Tenant
Complete data isolation. Customer keys, segregated storage, compliance-ready architecture.
Four Simple Steps
From sensor to insight. Hobbyists to industrial scale.
Connect
OPC UA for industrial, MQTT for IoT, REST API for anything. Pick your protocol.
Ingest
Send measurements with timestamps. Batch or streaming. We handle scale.
Store
Smart compression. File-based storage. Tiered: Hot (24h) → Cold (365d) → Archive.
Visualize
Query your data. Real-time WebSocket. Dashboards. Alerts. Analytics.
Simple Transparent Pricing
Start free. Scale as you grow. No surprises, no lock-in.
Free
Get started with Tag Historian. Perfect for hobbyists and evaluation.
- 10 tags
- 7 days history
- 1 API key
- REST API access
- Community support
Pro
For growing operations and small facilities.
- 100 tags
- 90 days history
- WebSocket streaming
- Dashboards included
- REST & MQTT APIs
- 5 API keys
- Email support
Business
Enterprise scale with advanced features.
- 1000+ tags
- 1 year history
- OPC UA support
- Alerting & rules
- Advanced analytics
- Unlimited API keys
- Priority support
- Custom retention
Start Free
10 tags. 7 days history. No credit card required.