Redash

Redash is an open-source tool for querying data from multiple sources and building visualizations, dashboards, and alerts. Its hosted service ended in 2021; the available edition is self-hosted.

7.8/10 TechZella Score
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6 key claims verifiedOur editorial team checked this profile against vendor documentation, product documentation, pricing information. Supported by 6 documented sources.
Editorial overview

Aggregated Overview

Redash offers a broad data-source catalog, SQL querying, visualizations, dashboards, alerts, and an API. Its no-license-fee self-hosted model avoids subscription charges but requires teams to operate the service. G2's 44-review aggregate is positive, while its summary notes interface usability concerns.

This profile combines documented product information and independent evidence where available. It is not a hands-on test unless TechZella explicitly identifies one.

Overview

Redash is an open-source application for connecting data sources, running queries, and turning results into visualizations and dashboards. Its hosted service ended on November 30, 2021, so new users need to self-host the available open-source edition.

The project suits teams comfortable operating their own analytics software. Its documentation covers a broad set of database, warehouse, API, and operational data connectors, with dashboards and alerts for sharing query results.

Decision guide

Redash Decision Snapshot

A quick way to understand who this product may suit, where its limits matter, and which facts are most relevant before you compare alternatives.

Best suited to

Teams with SQL skills that want to query multiple databases and share internal dashboards while controlling their own hosting.

Look elsewhere if

Organizations seeking a currently vendor-hosted Redash service, turnkey support, or an embedded analytics product suited to untrusted users and modifiable dashboard parameters, and should evaluate alternatives such as Metabase or Apache Superset instead.

Platforms

AWS, Docker, Linux, Self-hosted, Web

TechZella assessment

7.8/10

Decision context

Redash — What Sets It Apart?

These are the product-specific differences that may matter when deciding whether the software fits your workflow. They are based on documented evidence rather than a universal ranking.

  • The documented connector list includes relational databases, cloud warehouses, operational data systems, and APIs, allowing teams to query varied sources from one interface.
  • The project is available under the BSD-2-Clause license and can be deployed on infrastructure managed by the buyer.
  • Queries, visualizations, dashboards, alerts, and API access combine SQL-focused analysis with sharing and automation workflows.
Editorial assessment

Redash Pros & Cons

Pros

  • Free open-source edition with no Redash software subscription for self-hosting.
  • Broad documented range of data-source connectors.
  • Combines SQL querying, visualizations, dashboards, alerts, and API access.
  • Dashboard links and embedding options support sharing query-based reporting.

Cons

  • The hosted Redash service ended, leaving buyers to arrange and operate their own deployment.
  • Self-hosting entails infrastructure and maintenance responsibilities.
  • Alerts do not work for queries with parameters.
  • Documentation warns that modifiable embedded parameters make Redash unsuitable for embedded analytics.
Operational limits

Redash Gotchas & Operational Limits

These are documented constraints or practical friction points that may matter before you adopt the product.

Redash's hosted service at app.redash.io shut down on November 30, 2021.

New teams must arrange their own hosting rather than signing up for the former managed Redash service.

Evidence source ↗

Alerts do not work for parameterized queries.

Teams relying on query parameters need a different alerting approach or separate non-parameterized scheduled queries.

Evidence source ↗

Embedded dashboard parameters can be modified by users.

The documented behavior can make Redash unsuitable where embedded analytics must enforce strict parameter controls.

Evidence source ↗
Plans & pricing

Redash Pricing & Plans

Open-source self-hosted

$0
Ongoing

Free open-source edition. Buyers provide hosting and operate the deployment. Redash's former hosted service is discontinued.

Check current pricing →

Pricing may change. Verify current plans on the vendor's website.

Cost context

Total Cost & Hidden Costs

Additional costs or implementation requirements that are documented in the available evidence.

Implementation and onboarding

Redash publishes setup instructions and a Docker-based Linux installer, but no standard onboarding duration or implementation service price was found in the reviewed official materials.

Evidence source ↗

Hosting and infrastructure

The open-source software is free to host, but buyers provide and operate the Linux server and required supporting services. The setup guidance discusses Docker, PostgreSQL, Redis, and scaling infrastructure.

Evidence source ↗

Support and additional fees

No current official hosted Redash plan, paid support schedule, or add-on price was found. The former hosted service ended in 2021; self-hosters should budget for their own operations and support arrangements.

Evidence source ↗
Compare options

Redash Competitors & Alternatives

Compare similar products directly, then see which alternatives may make more sense when your requirements differ.

At a glance

Open Source Software
Redash compared with Metabase, Apache Superset
Decision factorRedashMetabaseApache Superset
Self-hosted open-source optionRedash's open-source edition is self-hosted and free of charge.Metabase offers a free open-source edition and separate paid plans. Source ↗Apache Superset is an open-source data exploration and visualization platform. Source ↗
Query workflowRedash's documented workflow connects a data source, runs a query, then adds visualizations and dashboards.Metabase supports SQL and a click-based question exploration workflow. Source ↗Superset provides SQL Lab alongside a no-code chart builder and dashboards. Source ↗
Data-source breadthRedash documents connectors across SQL databases, cloud warehouses, APIs, and other systems.Metabase lists more than 20 supported data sources on its pricing page. Source ↗Not documented
Managed hostingRedash's hosted service has ended; users must self-host the open-source edition.Metabase offers cloud deployment in addition to self-hosting. Source ↗Not documented
Visualization and explorationRedash supports visualizations, dashboard filters, and query-based analysis.Not documentedSuperset documents more than 40 built-in visualization types, virtual datasets, and cross-filters. Source ↗
Data-source approachRedash publishes a named connector list that includes SQL and non-SQL sources such as JSON APIs and Elasticsearch.Not documentedSuperset connects to SQL-speaking databases through compatible drivers and dialects. Source ↗

Only factors supported by the available research are shown. The comparison is descriptive, not a ranking.

Direct competitors

These products address broadly similar requirements. The descriptions focus on documented reasons a buyer might compare them with Redash.

Capabilities

Redash Features

Data access and querying

  • Connect to documented SQL, NoSQL, cloud, and API data sources
  • Write and save queries
  • Use query parameters where supported

Visualization and sharing

  • Create visualizations from query results
  • Build dashboards from visualizations and text
  • Share dashboards through links or embed views

Monitoring and integration

  • Set threshold alerts on query results
  • Use user-scoped or query-scoped API keys
  • Refresh queries and dashboards through API endpoints
Visual preview

Demo & Screenshots

Product details

Redash Specifications

LicenseBSD-2-Clause
DeploymentSelf-hosted; Docker and Docker Compose installation documented for Linux
Supported environmentsLinux; setup guidance references AWS and Google Cloud images
Data sourcesIncludes PostgreSQL, MySQL, BigQuery, Databricks, MongoDB, Salesforce, and JSON APIs
APIAPI keys and endpoints documented; user keys and query keys have different scopes
Hosted service statusEnded November 30, 2021
Alert limitationAlerts do not work for parameterized queries
Deployment

Deployment & System Footprint

Verified installation, hosting, administration, or environment details that can affect implementation.

Installation or hostingThe current open-source edition is self-hosted. The official setup repository describes Docker and Docker Compose on a Linux server and references AWS and Google Cloud images. Source ↗
Scale considerationsFor larger deployments, the setup guidance recommends separating the database and likely Redis, using at least two Redash servers for redundancy, and adjusting worker counts. Source ↗
Exit planning

Migration & Lock-In

Documented portability, standards, export, or switching considerations. No switching-cost score is shown unless the evidence supports one.

Hosted-service migration

Redash documented a migration tool for moving hosted queries, dashboards, and alerts to an open-source deployment. The hosted service ended in 2021, and the documented migration deadline has passed.

Evidence source ↗
Our evidence-based assessment

TechZella Score

A proprietary editorial score based on product capabilities, usability, value, performance, support and user sentiment evidence.

7.8/10Moderate confidence
Features8.2
Ease of Use7.2
Value for Money8.8
Performance7.0
Support5.5
User Sentiment8.6

Redash offers a broad data-source catalog, SQL querying, visualizations, dashboards, alerts, and an API. Its no-license-fee self-hosted model avoids subscription charges but requires teams to operate the service. G2's 44-review aggregate is positive, while its summary notes interface usability concerns.

Methodology v1.0. The assessment weighs feature coverage (25%), ease of use (15%), value for money (20%), performance (15%), support (10%) and user sentiment (15%), using researched product evidence and verified review evidence where available. It is a TechZella editorial assessment, not a direct user-review average.

Editorial transparency

Our Review Methodology

Key claims are linked to the sources used to verify them. This evidence record is separate from third-party user ratings.

TechZella evaluates software using documented product capabilities, pricing information, usability and value considerations, independent user evidence where available, and competitive context. The assessment is an editorial review, not a hands-on test unless one is explicitly identified. Our editorial assessment is based on 6 documented sources.

What TechZella adds
  • The documented connector list includes relational databases, cloud warehouses, operational data systems, and APIs, allowing teams to query varied sources from one interface.
  • The project is available under the BSD-2-Clause license and can be deployed on infrastructure managed by the buyer.
  • Queries, visualizations, dashboards, alerts, and API access combine SQL-focused analysis with sharing and automation workflows.
Important limitations
  • The hosted Redash service ended on November 30, 2021; new users cannot sign up for that service.
  • Self-hosting requires the buyer to provision and maintain infrastructure. The project setup guidance recommends separating services and adding Redash servers for larger deployments.
  • The documentation says alerts do not work for queries with parameters.
  • Redash's dashboard-embedding guidance warns that users can modify embedded dashboard parameters and says this makes it unsuitable for embedded analytics.
Evidence-backed claims
The hosted Redash service ended on November 30, 2021.

Redash's end-of-life page states that the hosted service shut down on that date and that new sign-ups were not allowed.

View source ↗Verified 2026-11-06
Redash is available as open-source software under the BSD-2-Clause license.

The official GitHub repository identifies the project's license as BSD-2-Clause.

View source ↗Verified 2026-11-06
Redash supports numerous data sources, including Databricks, BigQuery, PostgreSQL, MySQL, MongoDB, Salesforce, and JSON APIs.

The official supported-data-sources page lists these integrations and distinguishes hosted from self-hosted availability.

View source ↗Verified 2026-11-06
The Redash API supports user API keys and query API keys.

Official API documentation describes user keys with the owner's permissions and query keys scoped to a query and its results.

View source ↗Verified 2026-11-06
Redash's official setup guide describes Docker-based installation on Linux and scaling considerations.

The setup repository documents Docker and Docker Compose deployment and recommends additional infrastructure for larger deployments.

View source ↗Verified 2026-11-06
G2 displayed Redash at 4.3 out of 5 from 44 reviews.

The public G2 listing showed the aggregate rating, review count, and a summary mentioning praise for data-source connections and dashboards alongside interface usability concerns.

View source ↗Verified 2026-11-06
Independent review sources

Redash Ratings & Reviews

Ratings are published by the respective review platforms and may change over time.

Common questions

Redash FAQs

Answers begin with the clearest available response, followed by the context that helps you act on it.

Is Redash still available?
Yes. The open-source edition remains available for self-hosting. The hosted service ended on November 30, 2021. Source: https://redash.io/help/faq/eol/
Is Redash free?
Yes. Redash says users can host the open-source version free of charge. Hosting and operating that deployment remain the buyer's responsibility. Source: https://redash.io/help/faq/eol/
Does Redash have a free trial?
Yes. The former hosted service is shut down, and the open-source edition is offered for self-hosting rather than as a trial subscription. Source: https://redash.io/help/faq/eol/
Can Redash connect to Databricks, BigQuery, or PostgreSQL?
Yes. The supported data-source list includes Databricks, Google BigQuery, and PostgreSQL for self-hosted Redash. Source: https://redash.io/help/data-sources/querying/supported-data-sources/
Does Redash provide an API?
Yes. Its API supports user keys and query keys; the documentation describes query keys as limited to the related query and results. Source: https://redash.io/help/user-guide/integrations-and-api/api/
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