Software Alternatives, Accelerators & Startups

Flagsmith VS Clerk Authentication

Compare Flagsmith VS Clerk Authentication and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Flagsmith logo Flagsmith

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
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Clerk Authentication logo Clerk Authentication

Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.
  • Flagsmith Landing page
    Landing page //
    2021-10-23
  • Clerk Authentication Clerk Overview
    Clerk Overview //
    2024-06-03
  • Clerk Authentication Clerk Prebuilt UI Components
    Clerk Prebuilt UI Components //
    2024-06-03
  • Clerk Authentication Clerk Sign In & Sign Up Customization
    Clerk Sign In & Sign Up Customization //
    2024-06-03
  • Clerk Authentication Clerk User Button Component
    Clerk User Button Component //
    2024-06-03
  • Clerk Authentication Clerk User Profile Component
    Clerk User Profile Component //
    2024-06-03

Clerk Authentication

Website
clerk.com
$ Details
-
Release Date
2019 January
Startup details
Country
United States
State
CA
Founder(s)
Colin Sidoti, Braden Sidoti
Employees
50 - 99

Flagsmith features and specs

  • Feature Flags
  • Remote Config
  • A/B/X Testing & Optimization
  • Organization Management
  • Integrations

Clerk Authentication features and specs

  • Multifactor Authentication
    Each user's self-serve multifactor settings are enforced automatically during sign-in.
  • Advanced security
    Clerk is SOC 2 type 2 certified and CCPA compliant. We conduct regular third-party audits and penetration tests.
  • Session Management
    Clerk manages the full session lifecycle, including critical security functionality like active device monitoring and session revocation.
  • Email and SMS one-time passcodes
    Fast and reliable one-time passcode delivery with built-in brute force prevention.
  • Passwords
    Simple and secure password authentication, complete with breach detection and recovery options.
  • Magic Links
    Improve sign-up conversion rates and filter out spam/fraud with Magic Links.
  • Social Sign-On
    Add high-conversion Social Sign-on (SSO) to your application in minutes. 20+ options and growing.
  • Bot Detection
    Dramatically reduce fraudulent sign-ups with built-in, continually updated machine learning.
  • Webhooks
    Gain full control of your application by leveraging Clerk's 20+ webhook events.

Category Popularity

0-100% (relative to Flagsmith and Clerk Authentication)
Developer Tools
94 94%
6% 6
Identity Provider
0 0%
100% 100
Feature Flags
100 100%
0% 0
A/B Testing
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Flagsmith and Clerk Authentication

Flagsmith Reviews

The 8 best free and open-source feature flag services
BlogBackSign inBlogThe 8 best free and open-source feature flag servicesPosted byThe best open-source feature flag tools1. PostHogWhat is PostHog?Supported librariesHow much does it cost?2. UnleashWhat is Unleash?Supported SDKsHow much does it cost?3. GrowthBookWhat is GrowthBook?Supported SDKsHow much does it cost?4. FlagsmithWhat is Flagsmith?Supported SDKsHow much does it...
Source: posthog.com

Clerk Authentication Reviews

We have no reviews of Clerk Authentication yet.
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Social recommendations and mentions

Based on our record, Clerk Authentication should be more popular than Flagsmith. It has been mentiond 35 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Flagsmith mentions (13)

  • Why use Open Source Feature Flags?
    Considering all these points, the team at Flagsmith has developed a feature flag management platform Flagsmith and made it open source. The core functionality is open and you can check out the GitHub repository here. I have utilized and authored several blogs discussing their excellent offerings and strategies. - Source: dev.to / about 1 year ago
  • free-for.dev
    Flagsmith - Release features with confidence; manage feature flags across web, mobile, and server side applications. Use our hosted API, deploy to your own private cloud, or run on-premise. - Source: dev.to / over 2 years ago
  • Which startups are made using Django?
    Flagsmith is written in Django and is open source as well: https://flagsmith.com. Source: almost 3 years ago
  • The actual infrastructure costs of running SaaS at scale (billions of requests/month)
    Before we dive in, one important call-out: We provide our feature management product to customers in three ways depending on how they want to have it managed: Fully Managed SaaS API, Fully Managed Private Cloud SaaS API and Self-Hosted. The infrastructure costs that we are sharing is for our customers that leverage our Fully Managed SaaS API offering (try it free: https://flagsmith.com/) which represents a portion... - Source: dev.to / almost 3 years ago
  • The Story Behind Our Open Source Ecommerce Platform with +9,000 GH stars in 6 months
    On March 15th, Sebastian Rindom, the CEO & Co-founder of Medusa, did an interview with Flagsmith where he talked about how Medusa started, why create a headless commerce solution, why make it open-source, and more. - Source: dev.to / about 3 years ago
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Clerk Authentication mentions (35)

  • Go for Node developers: creating an IDP from scratch - Set-up
    On this series, I will teach the process of building an IDP (identity provider), a project I started to create a comunity driven self-hosted opensource version of clerk. - Source: dev.to / 9 months ago
  • Clerk vs Auth0: Choosing the Right Authentication Solution
    When building a modern web application, robust and user-friendly authentication is crucial. Choosing the right authentication solution can significantly impact your development speed, security, and user experience. Two popular options in the market are Clerk and Auth0. Both offer comprehensive features, but they cater to different needs and priorities. This article provides a detailed comparison of Clerk and... - Source: dev.to / 24 days ago
  • Here's How Developers Can Ensure Sensitive Data Does Not Accidentally Reach Another Device
    We have created a tutorial to walk you through how to build a Remix app using Clerk as an authentication layer. Clerk is a popular user authentication and management tool. You’ll use Neon Postgres as your data layer and leverage Neon Authorize to secure all the data for each logged-in customer. Each row in the table will designate a userID, which Clerk provides. Only those authenticated with the userID can... - Source: dev.to / about 2 months ago
  • Build a Production-Ready SaaS Application
    It uses Clerk for authentication, has a Stripe integration for payments, and uses Tailwind and shadcn/ui for styling and components. - Source: dev.to / about 2 months ago
  • 😎 Top React Native ESSENTIALS Tech Stack for 2025 🫵⛳️
    Clerk: The most comprehensive User Management Platform. - Source: dev.to / 2 months ago
View more

What are some alternatives?

When comparing Flagsmith and Clerk Authentication, you can also consider the following products

LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.

Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.

Unleash - Unleash is an open-source feature management platform. We are private, secure, and ready for the most complex setups out of the box.

Okta - Enterprise-grade identity management for all your apps, users & devices

ConfigCat - ConfigCat is a developer-centric feature flag service with unlimited team size, awesome support, and a reasonable price tag.

MonoCloud - The authentication platform that helps you secure your apps with branded login pages and your choice of identity methods. Stop worrying about auth and start building with MonoCloud.