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.

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.

Supabase is the open-source alternative to Firebase. Like Firebase, it's a complete app development platform with user authentication, cloud functions, APIs, Postgres database, storage, vector embeddings, and other features. Supabase projects come with PostgreSQL's policy engine for fine-grained user access rules. It has social login integrations with Google, Facebook, GitHub, Azure (Microsoft), Gitlab, Twitter, Discord, and many more. They offer a customizable authentication component for React. Phone login and MFA can be added through third-party SMS providers such as Twilio or Bird. The free tier comes with 50,000 monthly active users. The Pro plan, at $25/month, comes with 100,000 MAUs and $0.00325/MAU beyond that.

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).

Gluu offers various authentication solutions based on open-source software. There is a self-hosted solution, a managed solution, and a free fully open-source solution based on the Linux Foundation Janssen Project.

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.

WADesk is a professional client solution that enables simultaneous logins for multiple WhatsApp accounts, empowering users to seamlessly manage tasks like bulk messaging, number verification, automated conversations, auto-replies, and quick responses. It also facilitates chat message transfer, real-time local backups, rapid export of group members, and monitoring of group messages. Designed for corporate collaboration, WADesk allows employees to share corporate contact details efficiently, enhancing teamwork and productivity across the organization.

Instant credit system integration for Apps and Games with Creduse API. Simplify credit management for your application or game with our developer-friendly API solution. Enjoy quick integration, robust scalability, and comprehensive support, plus powerful analytics to monitor user activity.

📱 Coaches and Personal Trainers: Simplify Your Business Today! Are you tired of managing clients, schedules, and payments? BULK can help you: - Effortless Session Scheduling: No more double bookings. - Instant Client Messaging: Keep all communication in one place. - Secure Payment Processing: Get paid on time, every time. - Content Integration: Easily share Google Docs, Slides, Notion, Zoom links, and more. All this from the convenience of your phone. Available on iOS and Android. Don't overcomplicate this process. Don't use systems with tons of useless features that just bog your progress! Save time, increase efficiency, and watch your business grow! 🎉 Start Your 14-Day FREE TRIAL Now! 🎉

Lisapet.ai is the next-level AI product development platform that empowers teams to prototype, test, and ship robust AI features 10x faster. Key Features - Best-in-class AI Playground: Swiftly test and iterate your prompts. Reduce the hassle of prompt prototyping. Our best-in-class AI playground makes the workflow faster, saving you time and effort in designing prompts. - Test-driven prompt engineering: Evalute and measure quality across large data sets. Build a collection of test cases to find the best prompt/model combination across different scenarios Benefits - Save Time: Cut down manual testing and free up your team to focus on shipping features. - Increase Confidence: Automate your testing to ensure reliable AI behavior before deployment. - Optimize Performance: Easily identify the best-performing prompts through side-by-side testing and real-time analytics. - Collaborate Seamlessly: Share progress with stakeholders and incorporate feedback directly within the platform. - Reduce Costs: Monitor token usage and optimize spending with detailed cost breakdowns. Use Case - Rapid Development of AI-Powered Features: Equip your product teams with tools to build, test, and launch AI-powered features without bottlenecks. - Scalable Prompt Engineering: Automate testing and validation to save time and reduce errors in prompt design. - Collaborative Testing: Enable cross-team collaboration by sharing reports and integrating feedback seamlessly.

Wedding Capsule is a digital guestbook and memory collection tool that captures and organizes every special moment from your wedding day. Guests can scan custom-designed QR codes to instantly access the guestbook and share messages, photos, videos, and voice recordings via WhatsApp, Facebook Messenger, or browser—no app required. Contributions are displayed in a beautifully organized timeline, creating a dynamic and interactive keepsake. To make the event even more memorable, guests can participate in fun photo and video missions, while post-wedding reminders ensure no memory is left behind. Key Features - Interactive Guestbook with Timeline: All guest contributions—messages, photos, videos, and voice notes—are displayed in a visually appealing timeline, creating a living memory of the wedding. - Effortless Access with QR Codes: Custom-designed QR codes make it easy for guests to access the guestbook via WhatsApp, Facebook Messenger, or browser. - WhatsApp, Facebook Messenger & Browser Sharing: Guests can upload their memories in one click, with no app download required. - Creative Photo & Video Missions: Fun tasks like “Take a selfie with the couple” or “Film your best dance move” bring energy to the celebration and create unique moments. - Post-Wedding Reminders: Automated follow-ups prompt guests to upload additional photos and videos after the wedding, ensuring a complete collection. - Personal Audio Messages: Guests can leave voice recordings that add a heartfelt, emotional touch to the timeline. Benefits 1. Effortless Memory Collection Collect all messages, photos, videos, and voice notes from guests in one place using WhatsApp, Facebook Messenger, or a browser—no app download needed. 2. A Beautiful, Real-Time Wedding Timeline Display all contributions—text, photos, videos, and voice notes—in a dynamic timeline that tells the full story of your wedding day.

Owlbot offers a cutting-edge AI-powered chatbot service that seamlessly integrates with your data to provide instant responses for you, your customers, or your team. Deploying a tailor-made AI chatbot with Owlbot is straightforward, enhancing both customer service and the efficiency of data analysis with minimal effort. Our AI chatbot is capable of handling 90% of inquiries from customers, clients, or employees effortlessly (>90 languages supported). It can import data from a variety of sources, including documents, markdown files, and webpages, ensuring that you receive precise, immediate answers. Additionally, you can connect the chatbot to your internal tools to access private data in real-time and provide timely responses. You can choose from 12 different large language models (LLMs), such as Mistral, OpenAI, and Anthropic, to find the option that best fits your needs. Owlbot also captures the details of interested visitors, helping you compile a list of potential leads and expand your business opportunities.