tompave/fun_with_flags

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1166 stars · 96 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

FunWithFlags is an Elixir feature flag library packaged as an OTP application, offering an API to enable, disable, and query flags with gates for actors, groups, and percentages. It persists flags in Redis or a relational database via Ecto, caches them in ETS for fast lookups, and syncs nodes via PubSub, with an optional web dashboard.

Use cases

• toggle features on and off in an Elixir app
• roll out features to a percentage of users
• enable features for specific users or groups
• manage feature flags across multiple nodes
• control feature flags from a web dashboard

When to choose

• you run an Elixir/Phoenix application and need feature toggles with actor, group, and percentage gates
• you need fast flag lookups with local ETS caching and cross-node synchronization
• you want persistence in Redis or PostgreSQL/MySQL/SQLite via Ecto

When to avoid

• your stack is not Elixir/Erlang
• you need a hosted SaaS feature flag service with advanced targeting UIs
• you don't want to run Redis or a relational database for flag storage

Facets

library · maturity stable

feature-flags caching configuration-management backend web-development developer-tools elixir self-hosted feature-toggles redis ecto phoenix otp-application ets-cache pubsub web-dashboard

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