A curated list of feature flag and feature toggle tools, services, SDKs, and resources for progressive delivery. The list covers managed SaaS platforms (LaunchDarkly, Statsig, Split, ConfigCat, …), open-source self-hosted options (Unleash, Flagsmith, GrowthBook, Flipt, FeatBit, …), the OpenFeature vendor-neutral standard, and language-specific libraries across 12 ecosystems (JavaScript, Go, Python, Java, .NET, Ruby, PHP, Rust, Elixir, Swift, Kotlin, Flutter).
By submitting this pull request I confirm I've read and complied with the below requirements 🖖
Requirements for your pull request
Fully AI-generated pull requests are not accepted.
Don't open a Draft / WIP pull request while you work on the guidelines. A pull request should be 100% ready and should adhere to all the guidelines when you open it.
Don't waste my time. Do a good job, adhere to all the guidelines, and be responsive.
You have to review at least 4 other open pull requests. (Will complete and comment with links before requesting merge.)
This pull request has a title in the format Add Name of List.
Your entry here should include a short description of the project/theme of the list. It should not describe the list itself.
Your entry should be added at the bottom of the appropriate category. (Placed in Miscellaneous right after Continuous Integration and Continuous Delivery, the closest topical neighbor.)
The title of your entry should be title-cased and the URL to your list should end in #readme.
No blockchain-related lists.
The suggested Awesome list complies with the below requirements.
Requirements for your Awesome list
Has been around for at least 30 days. (Created 2026-04-13, exactly 30 days as of submission.)
Is not AI-generated.
Run awesome-lint on your list and fix the reported issues. (Clean, 0 errors.)
The default branch should be named main, not master.
Includes a succinct description of the project/theme at the top of the readme.
It's the result of hard work and the best I could possibly produce.
The repo name of your list should be in lowercase slug format: awesome-feature-flags.
The heading title of your list should be in title case format: # Awesome Feature Flags.
Non-generated Markdown file in a GitHub repo.
The repo should have awesome-list & awesome as GitHub topics. (Plus devops, feature-flags, feature-toggles, progressive-delivery.)
Not a duplicate. Searched the existing awesome readme — no feature-flag list exists.
Only has awesome items.
Does not contain items that are unmaintained, has archived repo, deprecated, or missing docs.
Has consistent formatting and proper spelling/grammar.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.
## 📋 Pull Request Information
**Original PR:** https://github.com/sindresorhus/awesome/pull/4167
**Author:** [@tech-and-finance](https://github.com/tech-and-finance)
**Created:** 5/13/2026
**Status:** 🔄 Open
**Base:** `main` ← **Head:** `add-feature-flags`
---
### 📝 Commits (1)
- [`9d34def`](https://github.com/sindresorhus/awesome/commit/9d34defc1fee39777db20c2d25ade21359dd6546) Add Feature Flags
### 📊 Changes
**1 file changed** (+1 additions, -0 deletions)
<details>
<summary>View changed files</summary>
📝 `readme.md` (+1 -0)
</details>
### 📄 Description
**https://github.com/tech-and-finance/awesome-feature-flags#readme**
A curated list of feature flag and feature toggle tools, services, SDKs, and resources for progressive delivery. The list covers managed SaaS platforms (LaunchDarkly, Statsig, Split, ConfigCat, …), open-source self-hosted options (Unleash, Flagsmith, GrowthBook, Flipt, FeatBit, …), the OpenFeature vendor-neutral standard, and language-specific libraries across 12 ecosystems (JavaScript, Go, Python, Java, .NET, Ruby, PHP, Rust, Elixir, Swift, Kotlin, Flutter).
### By submitting this pull request I confirm I've read and complied with the below requirements 🖖
## Requirements for your pull request
- [x] Fully AI-generated pull requests are not accepted.
- [x] Don't open a Draft / WIP pull request while you work on the guidelines. A pull request should be 100% ready and should adhere to all the guidelines when you open it.
- [x] **Don't waste my time.** Do a good job, adhere to all the guidelines, and be responsive.
- [ ] **You have to review at least 4 other [open pull requests](https://github.com/sindresorhus/awesome/pulls?q=is%3Apr+is%3Aopen).** (Will complete and comment with links before requesting merge.)
- [x] You have read and understood the [instructions for creating a list](https://github.com/sindresorhus/awesome/blob/main/create-list.md).
- [x] This pull request has a title in the format `Add Name of List`.
- [x] Your entry here should include a short description of the project/theme of the list. It should not describe the list itself.
- [x] Your entry should be added at the bottom of the appropriate category. (Placed in `Miscellaneous` right after `Continuous Integration and Continuous Delivery`, the closest topical neighbor.)
- [x] The title of your entry should be title-cased and the URL to your list should end in `#readme`.
- [x] No blockchain-related lists.
- [x] The suggested Awesome list complies with the below requirements.
## Requirements for your Awesome list
- [x] **Has been around for at least 30 days.** (Created 2026-04-13, exactly 30 days as of submission.)
- [x] Is not AI-generated.
- [x] Run [`awesome-lint`](https://github.com/sindresorhus/awesome-lint) on your list and fix the reported issues. (Clean, 0 errors.)
- [x] The default branch should be named `main`, not `master`.
- [x] **Includes a succinct description of the project/theme at the top of the readme.**
- [x] It's the result of hard work and the best I could possibly produce.
- [x] The repo name of your list should be in lowercase slug format: `awesome-feature-flags`.
- [x] The heading title of your list should be in title case format: `# Awesome Feature Flags`.
- [x] Non-generated Markdown file in a GitHub repo.
- [x] The repo should have `awesome-list` & `awesome` as GitHub topics. (Plus `devops`, `feature-flags`, `feature-toggles`, `progressive-delivery`.)
- [x] Not a duplicate. Searched the existing awesome readme — no feature-flag list exists.
- [x] Only has awesome items.
- [x] Does not contain items that are unmaintained, has archived repo, deprecated, or missing docs.
- [x] Entries have a description.
- [x] Includes the [Awesome badge](https://github.com/sindresorhus/awesome/blob/main/awesome.md#awesome-badge).
- [x] Has a Table of Contents section named `Contents`.
- [x] Has an appropriate license. (CC0-1.0.)
- [x] Has [contribution guidelines](https://github.com/tech-and-finance/awesome-feature-flags/blob/main/contributing.md) in `contributing.md`.
- [x] Has consistent formatting and proper spelling/grammar.
---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
📋 Pull Request Information
Original PR: https://github.com/sindresorhus/awesome/pull/4167
Author: @tech-and-finance
Created: 5/13/2026
Status: 🔄 Open
Base:
main← Head:add-feature-flags📝 Commits (1)
9d34defAdd Feature Flags📊 Changes
1 file changed (+1 additions, -0 deletions)
View changed files
📝
readme.md(+1 -0)📄 Description
https://github.com/tech-and-finance/awesome-feature-flags#readme
A curated list of feature flag and feature toggle tools, services, SDKs, and resources for progressive delivery. The list covers managed SaaS platforms (LaunchDarkly, Statsig, Split, ConfigCat, …), open-source self-hosted options (Unleash, Flagsmith, GrowthBook, Flipt, FeatBit, …), the OpenFeature vendor-neutral standard, and language-specific libraries across 12 ecosystems (JavaScript, Go, Python, Java, .NET, Ruby, PHP, Rust, Elixir, Swift, Kotlin, Flutter).
By submitting this pull request I confirm I've read and complied with the below requirements 🖖
Requirements for your pull request
Add Name of List.Miscellaneousright afterContinuous Integration and Continuous Delivery, the closest topical neighbor.)#readme.Requirements for your Awesome list
awesome-linton your list and fix the reported issues. (Clean, 0 errors.)main, notmaster.awesome-feature-flags.# Awesome Feature Flags.awesome-list&awesomeas GitHub topics. (Plusdevops,feature-flags,feature-toggles,progressive-delivery.)Contents.contributing.md.🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.