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 an identity and access management (IAM) platform designed to simplify authentication and authorization for applications. It provides a flexible solution that allows developers to implement secure login systems without having to build them from the ground up. Auth0 supports various authentication methods, including username-password credentials, social logins (like Google, Facebook, and GitHub), enterprise identity providers (such as Active Directory and SAML-based systems), and passwordless options. The platform is highly adaptable, offering over 30 software development kits (SDKs) that cater to a wide range of languages and frameworks—JavaScript, Python, .NET, iOS, Android, and more. This makes integration straightforward regardless of the tech stack. Beyond basic authentication, Auth0 offers advanced features like multi-factor authentication (MFA), single sign-on (SSO), and fine-grained authorization. These tools enable organizations to enforce complex access control policies, supporting both role-based (RBAC) and attribute-based (ABAC) models. Auth0 also addresses enterprise needs through features like user provisioning, directory synchronization, and support for B2B, B2C, and B2E use cases. It’s designed with scalability in mind, making it suitable for both startups and large enterprises. The platform’s extensibility allows developers to customize authentication flows, implement rules for conditional access, and integrate third-party services. Since its acquisition by Okta, Auth0 operates as a product unit under the Okta umbrella, complementing Okta’s broader suite of identity solutions while maintaining a developer-first focus. This combination brings together Okta’s enterprise-grade security with Auth0’s developer-centric approach, offering a comprehensive solution for modern identity challenges.

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.

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.

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These days, AI directories are popping up all over the place. You’ve got huge lists—like that GitHub one —best-of-ai/ai-directories—and tons of sites trying to round up every AI tool under the sun. It’s a lot, right? Problem is, most of them are packed with meh tools. You dig through glitchy apps or overhyped stuff that doesn’t even work, and it’s a total time suck. Marketers like us? We don’t have time for that—we need tools that actually deliver. That’s where There’s an AI comes in. It’s not like those other messy directories. This one’s all about the good stuff—think of it like a stash of hidden gems, no junk allowed. You can navigate easily on different categories in it, jumping from content tools to ad optimizers without breaking a sweat. And the search? Oh, it’s clutch. You can type in whatever you want, and it pulls up only the best—no shitty tools clogging up your screen.

AIPresentationMakers is a specialized review site dedicated to AI presentation tools. AIPresentationMaker offers: Comprehensive, hands-on reviews of every AI presentation tools An expert editorial team composed of professional designers and developers Tutorials, tips and tricks, and coupon codes for getting started with AI presentation tools The site's goal is to make it easy to understand how various AI products work and identify which products are the best fit for different types of users. All of the site’s content is based on the team’s expertise in both slide-making, as well as AI. The editorial team tests each product using real-world prompts and examples to provide the most representative set of scenarios on which to measure the applications.

AISaver is an AI-powered platform offering a range of tools for video and image processing. It integrates features such as video face swap, image face swap, image enhance, video enhance, and text-to-speech conversion. Key Features of AISaver: 1. Video downloader online tool, easily download any video from any platform. 2. Face swap tool, easily swap faces in videos by using our AI Face Swap with a few clicks. Upload videos, then upload photos and then generate an interesting face swap video. 3. All in one video downloading and enhancing software, enhance your videos with powerful AI tools. AISaver is a free online face-swapping tool offering one-click video swaps with realistic effects. Enjoy safe, privacy-protected processing as the AI seamlessly integrates your chosen face into any video for an authentic result without storing personal data. With AI-driven technology, it delivers realistic results and is easy to use, making it an essential site for media processing.

Decopy AI offers a comprehensive platform for detecting AI-generated content in both text and images, as well as verifying the origins of visuals. Key Features 1. AI Content Detector: Identifies whether text is written by AI or humans. 2. AI Image Detector: Detects AI-manipulated images. 3. Reverse Image Search: Finds the original source of an image across the web. Benefits - All of Decopy AI’s powerful detection tools are completely free to use. No subscriptions, no hidden fees—everyone can access and benefit from our AI Content Detector, AI Image Detector, and other tools at zero cost. - AI Detector tools are built on advanced algorithms that provide exceptional accuracy in identifying AI-generated content and images. Whether you’re analyzing text or visuals, Decopy AI delivers reliable results that you can trust. Use Case - Educators verify student submissions for AI-generated work. - Businesses check content authenticity for marketing. - Researchers trace image origins for verification. - Content creators prevent unauthorized use of their visuals.

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Dynamiq the operating platform for building, deploying, monitoring and fine-tuning generative AI applications. Key features: 🛠️ Workflows: Build GenAI workflows in a low-code interface to automate tasks at scale 🧠 Knowledge & RAG: Create custom RAG knowledge bases and deploy vector DBs in minutes 🤖 Agents Ops: Create custom LLM agents to solve complex task and connect them to your internal APIs 📈 Observability: Log all interactions, use large-scale LLM quality evaluations 🦺 Guardrails: Precise and reliable LLM outputs with pre-built validators, detection of sensitive content, and data leak prevention 📻 Fine-tuning: Fine-tune proprietary LLM models to make them your own Benefits: ⛑️ Air-gapped Solution: Dynamiq specializes in enabling clients that manage highly sensitive data to leverage LLMs while maintaining ironclad security thank to stringent security controls. 🕹️ Vendor-Agnostic: Through integration capabilities, our clients can build GenAI applications using a variety of models from providers such as OpenAI and have the flexibility to switch to other providers if needed. 🧲 All-In-One Solution: We cover the entire GenAI development process from ideation to deployment Use cases: 🏋️ AI Assistants: Equip your team with custom AI assistants that streamline tasks, enhance information access, and boost productivity 🧠 Knowledge Base: Build a dynamic AI knowledge base with our platform that streamlines decision-making, enhances productivity and allows employees to spend less time navigating through extensive company documents, files, and databases 🎢 Workflow Automations: Design powerful, no-code workflows that leverage your enterprise's knowledge to enhance content creation, CRM enrichment, and customer support.

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