QuestDB

QuestDB is ranked #25 of 74 in database software on The Geeks Club, made by QuestDB (London and New York). It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan. A free trial is offered.

QuestDB plans and pricing

All plans

QuestDB Open Source Free Apache 2.0 core · self-managed · single instance · community support questdb.com · 30 Sept 2026

QuestDB Enterprise Not published Production deployments · replication and failover · RBAC, TLS and SSO · tiered storage · dedicated support with SLAs questdb.com · 30 Sept 2026

Compared on database software

Free plan: Yes

Best QuestDB alternatives

See all 12

9.5 MySQL Free plan

9.1 Amazon DynamoDB Free plan

8.9 Firestore Free plan

8.7 Amazon RDS Free plan

8.7 SQLite Free plan

8.7 MarkLogic Free plan

QuestDB

SQL support: Yes
Product: QuestDB is a time-series database for mission-critical environments where low latency matters.
Ingestion: QuestDB advertises ingestion speeds of 8M+ rows per second.
Querying: QuestDB provides a vectorized execution engine, standard SQL, and time-series extensions including SAMPLE BY, ASOF, and HORIZON JOIN.
Deployment: QuestDB Open Source is self-managed and is available as binaries, containers, and source code.
Data formats: QuestDB supports Parquet storage and PostgreSQL Wire Protocol compatibility with existing tools and drivers.
Integrations: QuestDB lists Grafana, Power BI, Apache Kafka, Telegraf, Redpanda, Apache Flink, Pandas, and Apache Spark among its integrations.
Enterprise security: QuestDB Enterprise offers TLS encryption, role-based access control, audit logs, and single sign-on through OAuth 2.0/OIDC.
Open source security limit: The Enterprise comparison says Open Source provides basic authentication over unencrypted transmission.
Availability: QuestDB Enterprise advertises replication, automatic failover, and a 99.9% uptime guarantee.
Storage: Enterprise supports hot storage plus Parquet and Iceberg tables on object storage, including Amazon S3, Azure Blob, and GCS.
Support: Enterprise includes dedicated access to QuestDB engineers and guaranteed response-time SLAs; Open Source has community support.
Trial: QuestDB offers a free Enterprise trial, but the page does not state its duration.
Compliance: QuestDB's site states that it is SOC 2 Type 2 compliant.
Price from: Free

Visit site Alternatives

Where it ranks on The Geeks Club

Best Database Software in 2026#25 of 74
Best Time-Series Databases in 2026#2 of 36
Best OLAP Software in 2026#4 of 31
Best OLAP Databases in 2026#2 of 28
Best Columnar Databases in 2026#3 of 24

Is QuestDB yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote QuestDB

Sources

questdb.com/about-us/· checked 22 Sept 2026
questdb.com/download/· checked 30 Sept 2026
questdb.com/enterprise/· checked 30 Sept 2026
questdb.com/docs/integrations/overview/· checked 30 Sept 2026
questdb.com· checked 23 Sept 2026