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Best QuestDB Alternatives ranked by AI · updated Aug 2026

QuestDB is an open-source time-series database built for high-throughput ingestion and low-latency SQL analytics. It targets developers, observability teams, and financial or IoT workloads that need fast timestamped queries.

Developer: QuestDB Price: Free self-hosted; cloud usage-based 🎯 questdb.com
🔓 Open Source 🌐 IoT database time series

Top 6 QuestDB alternatives

1 OpenTSDB logo

OpenTSDB

The OpenTSDB Project

OpenTSDB is an open-source distributed time-series database built on Apache HBase. It is intended for large-scale monitoring and telemetry deployments that need...

Pros

  • Mature open-source option for distributed metrics storage
  • Scales through HBase-backed deployments
  • Well suited to infrastructure monitoring and telemetry

Cons

  • More complex to operate than modern standalone databases
  • Requires Apache HBase and its surrounding infrastructure
  • Querying and data modeling are less flexible than TimescaleDB

Free and open source

Alternatives to OpenTSDB → Visit site
2 Cisco ParStream logo

Cisco ParStream

Cisco

Cisco ParStream was a high-performance time-series database designed for storing and analyzing large volumes of IoT sensor data at the edge. It...

Pros

  • Designed for high-ingestion IoT and time-series workloads
  • Supported distributed edge analytics with low latency
  • Integrated with Cisco's broader IoT platform strategy

Cons

  • No longer actively marketed or broadly available
  • Smaller ecosystem than InfluxDB or PostgreSQL-based alternatives
  • Limited current documentation and community support

Discontinued; N/A

Alternatives to Cisco ParStream → Visit site
4

InfluxDB

InfluxDB is a time-series database designed for high-performance metrics and events.

Pros

  • Scalable architecture
  • Built-in query language

Cons

  • Less mature than Graphite
  • Paid features in enterprise version

Free and paid versions available

Alternatives to InfluxDB →
5

Apache IoTDB

Apache Software Foundation

Apache IoTDB is an open-source time-series database designed specifically for IoT telemetry and industrial data. It supports edge, cloud, and distributed deployments...

Pros

  • Purpose-built for device and industrial telemetry
  • Supports edge-to-cloud data architectures
  • Open-source licensing avoids vendor lock-in

Cons

  • Smaller user community than InfluxDB or PostgreSQL
  • Fewer hosted service options and integrations
  • Requires more specialized operational knowledge

Free and open source

Alternatives to Apache IoTDB → Visit site
6

VictoriaMetrics

VictoriaMetrics

VictoriaMetrics is a time-series database and monitoring platform optimized for high-volume metrics with efficient storage and querying. It is used by infrastructure,...

Pros

  • Efficient storage and low resource usage for large metric volumes
  • Strong compatibility with Prometheus data and tooling
  • Available as open source, hosted cloud, or enterprise software

Cons

  • More focused on metrics than arbitrary IoT event modeling
  • PromQL-centered workflows may not fit all ParStream use cases
  • Advanced clustering and enterprise features require paid options

Free single-node; enterprise and cloud plans available

Alternatives to VictoriaMetrics → Visit site

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