The biggest advantage of Cognito is that it's a part of the AWS ecosystem and integrates well with other AWS services. The free tier comes with 50,000 MAUs and the price for each additional MAU starts at $0.0055/month and goes down to as low as $0.0025/month as you scale to tens of millions of users. It integrated with four federated identity providers - your users can sign up with Facebook, Google, Apple and Amazon.

Google's Firebase is an entire app development platform that's packed with features.It comes with storage, cloud functions, monitoring and, of course, user authentication. The free tier comes with 50,000 MAUs. Beyond that pricing start at $0.0055/MAU and goes down to as low as $0.0025/MAU as you scale to millions of users. Firebase authentication supports email and password auth, phone auth, magic links, two-factor authentication and social identity providers - mainly Google, Google Play Games, Facebook, Apple, Microsoft, Twitter, GitHub and OAuth access tokens.

Auth0 is Okta's B2C identity management solution. It's an all-in-one package, with social login, bot detection, UI components, anonymous users, single-sign-on, MFA etc. The free tier comes with 7,500 MAUs. That said, it's relatively expensive and 20,000 MAUs will cost you $1400/month.

Clerk is a comprehensive authentication and user management platform. It comes with embeddable UIs, APIs and admin dashboards for user management. Clerk offers official SDKs for Next.js, React, JavaScript, Node.js, Remix, Go, Gatsby, and Ruby / Rails. There are many more community SDKs for other frameworks and languages. They have a free tier of 10,000 MAUs and a $25/month Pro tier with $0.02/MAU. Enhanced authentication, with SMS auth, device tracking and revocation, simultaneous sessions and SAML authentication costs additional $100/month. Admin add-on, with user impersonation and enhanced roles is another $100/month.

They market themselves as the leading Auth0 alternative. There is a free starter plan with up to 25 organizations and 1000 members. Additional users costs $0.05 per monthly active user.

Kinde has a generous free plan with up to 10,500 MAU free of charge. Their Pro plan costs $25/month and the price for each additional MAU over 10,500 is $0.0175.

Ory is an API-first identity manager. They offer authentication, analytics, access control, machine-to-machine authentication and more. They have SDKs for the major languages: - Dart - .NET - Elixir - Go - Java - JavaScript - PHP - Python - Ruby - Rust Unfortunately, they don't offer a free tier. Pricing starts at $29/month and includes 1,000 daily active users. Then it's $30 / 1,000 additional DAUs.

Appwrite is an open-source platform for building scalable applications. It comes with authentication, databases, storage, and functions. It's basically a complete development platform. They have an extremely generous free plan with 75,000 MAUs free of charge and their Pro plan is only $15/month. Appwrite offers email and password login, phone auth, magic links, email OTP, anonymous login, JWT login, SSR login, custom tokens, and two-factor authentication.

Formerly known as NextAuth. It's is an open-source authentication library originally built for NextJS. Auth.js is free to use and comes with over 80 integrations for various third-party identity providers such as Google, Facebook, Auth0, Apple etc. You can use it with your own database if you choose to. It works with MySQL, Postgres, MSSQL and MongoDB. Auth.js is compatible with Next.js, SvelteKit and SolidStart as of March 2024.

Keycloak is an open source identity and access management solution. It supports Keycloak single-sign-on and OpenID Connect or SAML 2.0 Identity Providers (Google, Facebook, GitHub etc).

Okta is an identity provider for organizations. It offers enterprise solutions for managing workforce and employee identities. It's HIPAA BAA and PCI compliant.

Lucia is an open source auth library that abstracts away the complexity of handling sessions. It works with any JS runtime - Node.js, Bun, Deno, Cloudflare Workers. It's also fully typed. It integrates with MongoDB. PostgreSQL, MySQL, SQLite, and with their respective ORMs and query builders.

GoPasswordless is an authentication service and SDK that focuses on enabling passwordless authentication flows in web apps.

Authenticate customers with WhatsApp, SMS, Email, Biometrics, and more, with a 98% conversion rate on signup and sign-in.

SaaSBoilerplates.dev is a curated directory that showcases a wide range of SaaS boilerplates, starter kits, and frameworks to help developers quickly launch their SaaS projects. The website features a carefully selected collection of tools and resources that cover various aspects of SaaS development, from authentication and payments to user management and deployment. Key Features 1. Extensive collection: SaaSBoilerplates.dev offers a comprehensive selection of SaaS boilerplates, catering to different frameworks, tech stacks, and development needs. 2. Curated by hand: The boilerplates are hand-picked and reviewed by a human to ensure quality, reliability, and relevance. No scraping, no AI-generated crap. 3. Detailed information: Each boilerplate listing includes a description, pricing, and key features to help readers make informed decisions. 4. Variety of use cases: The boilerplates cover a wide range of SaaS applications, including marketplaces, AI tools, landing pages, and more. Benefits 1. Time-saving: By leveraging pre-built boilerplates, developers can significantly reduce the time and effort required to set up the foundation of their SaaS project. 2. Cost-effective: Using boilerplates can help lower development costs by providing a solid starting point and reducing the need for custom development. 3. Scalability: Many boilerplates are designed with scalability in mind, making it easier to grow and expand the SaaS application as it gains traction. 4. Reduced technical debt: By using well-tested and maintained boilerplates, developers can minimise the risk of technical debt and ensure the long-term stability of their SaaS application. By leveraging the resources available on SaaSBoilerplates.dev, users can focus on building their core product features and bringing their SaaS ideas to life faster than ever before.

Self-Hosted Software List is a directory of the top self-hosted solutions in various categories. List there if you're working on a product that the users can host themselves. Submitting your products to Self-Hosted Software List is free.

BigSpy possesses a massive database that undergoes millions of data updates every day. Moreover, BigSpy's database covers some of the most crucial platforms highly regarded by advertising practitioners, such as TikTok, Facebook, and Admob. With its abundant filtering options, you can effortlessly find the advertising materials that best meet your needs and gain inspiration. The homepage analysis function enables real-time monitoring of competitors. In addition, BigSpy offers features like selected advertisements and creative rankings, further helping you pick out the most valuable advertising creativity and greatly enhancing your efficiency in finding advertising inspiration.

PostPuma is a social media management platform powered by AI, designed to streamline and enhance how businesses maintain their online presence. From effortlessly scheduling posts to delivering AI-driven recommendations that optimize content and analyze performance, PostPuma equips users with the tools they need to manage social media effectively and efficiently. Ideal for small to medium-sized businesses, marketing teams, and content creators, it’s a solution tailored to save time, boost organization, and grow audiences. The platform’s standout features include a centralized content scheduler that lets users plan posts across multiple social media platforms from one intuitive dashboard. AI-driven content optimization offers tailored suggestions to refine tone, style, and content ideas for maximum audience appeal. Meanwhile, performance analytics provide actionable insights into audience behavior, enabling users to fine-tune strategies for better results. For teams, PostPuma supports smooth collaboration with role assignments and built-in approval workflows. Additionally, multi-platform integration ensures every account is seamlessly managed in one place. The benefits of PostPuma are clear: automate time-consuming tasks, maintain consistent posting schedules to enhance engagement, and make data-driven decisions with easy-to-read analytics. The platform’s user-friendly design ensures accessibility for beginners while offering advanced tools for experienced marketers. Teams especially benefit from streamlined collaboration, avoiding the confusion of disjointed workflows. Getting started is straightforward—connect your social media accounts to PostPuma, and the platform’s AI tools take it from there. You can generate or refine posts, schedule them to align with peak engagement times, and monitor their performance using the analytics dashboard. Teams can collaborate effortlessly, ensuring a unified approach to content creation and publishing.

FamilyPro is a platform offering affordable, stable, shared ChatGPT Plus, Netflix, and Disney+ accounts at the lowest prices. Enjoy Family Plan price through FamilyPro. Key Features 1. Cheapest Shared Account. Enjoy ChatGPT Plus, Netflix premium, and Disney+ subscription for less money. By joining FamilyPro, you're not required to bear the full cost of a subscription alone; instead, you will split it with other members easily. 2. Share your plan with FamilyPro users. FamilyPro is a sharing platform. By sharing your own plan with others, you will get some money back while enjoying the full service. Benefits 1. Pay less: Pay less on App premium plan. 2. Share more: Share your account to get part of the money back. 3. Find more: Find more interesting Apps on FamilyPro. Use Case Some of our customers, especially students, buy ChatGPT shared accounts to enjoy full ChatGPT Plus service at a relatively cheap price. Some users buy Netflix accounts to enjoy high quality displays, they start a new family on FamilyPro.

StartKit.AI is a boilerplate designed to speed up the development of AI projects. It offers pre-built REST API routes for all common AI tasks: chat, images, long-form text, speech-to-text, text-to-speech, translations, and moderation. As well as more complex integrations, such as RAG, web-crawling, vector embeddings, and much more! It also comes with user management and API limit management features, along with fully detailed documentation covering all the provided code. Upon purchase, customers receive access to the complete StartKit.AI GitHub repository where they can download, customize, and receive updates on the full code base. 6 demo apps are included in the code base, providing examples on how to create your own ChatGPT clone, PDF analysis tool, blog-post creator, and more. The ideal starting off point for building your own app!