Seq
Log analysis software
DevSecOps software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
Take the quiz to check if Seq and its alternatives fit your requirements.
$790 per year
Free TrialFree version
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- Information technology and software
- Professional services (engineering, legal, consulting, etc.)
- Construction
What is Seq
Seq is a structured log server for collecting, indexing, and querying application logs, with a focus on JSON and other structured event data. It is used by development and operations teams to troubleshoot incidents, analyze application behavior, and monitor deployments through log search, filtering, and dashboards. Seq emphasizes developer-friendly ingestion (including Serilog integration), an interactive query language, and on-premises or self-managed deployment options.
Strong structured logging workflow
Seq is designed around structured events rather than plain text, which supports consistent fields, faceted search, and more reliable filtering. It integrates closely with common .NET logging pipelines (notably Serilog) and supports HTTP ingestion for other stacks. This makes it practical for teams that want to standardize on structured logs without building custom parsing pipelines.
Interactive querying and dashboards
Seq provides an interactive query experience for exploring events, building filters, and creating signals/alerts from queries. Dashboards and saved views help teams operationalize common investigations and recurring checks. For log-centric troubleshooting, this can reduce time spent switching between tools or writing ad-hoc scripts.
Self-hosted deployment option
Seq supports self-managed deployments, which can fit organizations with data residency, network isolation, or cost-control requirements. Running Seq on-premises or in a private cloud can simplify compliance for sensitive logs. This also suits teams that prefer to operate their own observability components rather than relying solely on SaaS.
Narrower scope than full observability
Seq is primarily a log analysis product and does not aim to be a complete APM/metrics/tracing platform. Organizations seeking unified telemetry (logs, metrics, traces) and broad infrastructure monitoring may need additional tools. This can increase integration work and operational overhead compared with more end-to-end observability suites.
Best fit for structured logs
Seq delivers the most value when applications emit structured events with stable properties. Environments dominated by unstructured text logs may require additional effort to enrich, normalize, or re-instrument logging to get comparable results. Teams unwilling to change logging practices may see limited benefit beyond basic search.
Scaling and retention planning required
As a self-managed log store, Seq requires capacity planning for ingestion rate, storage, and retention policies. High-volume environments may need careful tuning, archiving strategies, and infrastructure investment to maintain performance. This responsibility sits with the customer rather than being fully abstracted by a managed service.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Individual | $0 / year | 1 user; Community support; 50 GB storage limit; Intended for running Seq on a developer workstation; Download available. |
| Team | $790 / year | Up to 10 users; Priority email support; 100 GB storage limit; 1 server install. |
| Standard | $2290 / year | Unlimited users; Priority email support; Unlimited storage; Up to 3 server installs. |
| Datacenter | $7990 / year | Unlimited users; Priority email support; Unlimited storage; Unlimited* server installs; Clustering; Auditing; Assisted onboarding. |
Notes: Prices are listed in USD, excluding tax.
Seller details
Datalust Pty Ltd
Brisbane, QLD, Australia
2014
Private
https://datalust.co/
https://x.com/datalust
https://www.linkedin.com/company/datalust/
