Hierarchy

Flagsmith

Flagsmith is a feature-flag and remote-configuration product for controlling application behavior by environment and user segment.

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Flagsmith

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Flagsmith is a feature-flag and remote-configuration product for controlling application behavior by environment and user segment.

Available reviewed record details appear below. Fields that have not yet been reviewed are omitted.

Canonical ID: tech_000000000000009YBMQKPCDPTY
Kind: product
Requires context: No
Parent: None
Domain: Software delivery and quality
Category: Feature flags and release management
Aliases: None
Official website: https://www.flagsmith.com/
Official documentation: https://docs.flagsmith.com/
Source repository: https://github.com/Flagsmith/flagsmith
Last reviewed: 2026-10-04
Sources checked: 2026-10-04

Last reviewed 2026-10-04 · Release 2026.10.7 · Methodology

Technology popularity in job advertisements

Weekly job advertisements mentioning this technology in Finland, Sweden, Germany, and the United Kingdom. The graph runs from January 1, 2026 through today, or starts later when Queast data begins later.

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Every available weekly observation is included. Popularity here means observed job-ad mentions, not general adoption or market share.

Data provided by best authority for IT sales signals: Queast

Record details and sources

Overview

Flagsmith combines an administration interface, API and SDKs for toggling features and delivering configuration values to applications. Teams can target segments and run experiments while retaining one product identity across the open-source core and commercial offerings. The core can be self-hosted; hosted and enterprise options have separate access and licensing conditions.

Technology licensing

BSD 3-Clause License · BSD-3-Clause · license text

Scope: Open-source Flagsmith core in Flagsmith/flagsmith; excludes separately licensed Enterprise features and hosted-service terms.

This is separate from the taxonomy dataset license (CC-BY-SA-4.0) and from pricing/access.

Organizations

Bullet Train Limited (Flagsmith) · vendor · websitesource 1 · source 2

Deployment options

managed service · Flagsmith cloud or managed private-cloud offering.source 1 · source 2
self hosted · Open-source core or separately licensed Enterprise edition on customer infrastructure.source 1 · source 2

Typical use cases

Enable or disable application features and change remote configuration without deploying new code.source 1
Target user segments for staged releases and A/B or multivariate experiments.source 1

Strengths

The open-source core can be inspected, modified and self-hosted under BSD-3-Clause terms.source 1 · source 2
The product supports self-hosted, private-cloud and hosted-cloud deployment choices.source 1

Limitations

Core self-hosting excludes some enterprise governance and security capabilities, including SAML, change requests and audit logs.source 1
Hosted plans constrain team access and API usage; exceeding allowances can incur charges or require an upgrade.source 1

Maintained source links

Flagsmith documentation
Official documentation covers flag management, concepts, SDKs, integrations, administration and self-hosting.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith source repository
This repository contains the product API/frontend and documents feature flags, remote configuration, segment targeting, experimentation and self-hosted/cloud deployment. Enterprise governance is separately licensed.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith core license
The repository root license has BSD three-clause terms, with Bullet Train Ltd and contributors named as copyright holders; this receipt is scoped to the open-source core, not commercial extensions or hosted terms.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith official homepage
Flagsmith is the named feature-flag software product and provides links to its documentation and deployment choices.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith open-source overview
Core feature flags, remote configuration and targeting are BSD-3-Clause. Self-hosting and hosted offerings exist; the core license is not a license for all commercial capabilities.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith founder interview
The founder states the project was formerly called Bullet Train and renamed because a different, older open-source project used the same name. The historical name is ambiguous and must not merge unrelated software.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith pricing
Hosted Free and paid plans exist, monthly/yearly billing and API usage overages are shown, and paid-plan trials are offered. Governance capabilities vary by plan. No exact prices copied.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith self-hosting
Self-hosting runs in customer infrastructure; private cloud and SaaS are alternatives. Core self-hosting is free; enterprise security/management capabilities require a separate offering.
official · retrieved 2026-10-04T14:55:57Z
Flagsmith service terms
Bullet Train Limited trading as Flagsmith operates the service. Hosted service terms are separate from the BSD source license.
official · retrieved 2026-10-04T14:55:57Z

How the catalog is maintained

The API uses the active release. For a reproducible reference, pin the dataset download, version, schema and checksum.