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Best Next.js SaaS Boilerplates
Top User Authentication Solutions
Best Boilerplate
Best MVP Development Services
Supabase
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.
Appwrite
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.
BuySellBoilerplates
Premier Boilerplates & Starter Kits for Developers Start Building with Ready-Made Templates and Grow Your Business Faster.
YawDev
IT-Services for SaaS, Business and Enterprise. Innovative solutions that enhance productivity, streamline workflows, and drive growth.
Best SaaS Boilerplates
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.
Firebase
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.
Lucia Auth
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.
StartKit.AI
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!
AllBoilerPlates
Allboilerplates is a directory of starter kits that helps people find boilerplate code for their tech stack. Head on over to allboilerplates.com to find the perfect boilerplate for you!
goDeskless
AI-driven goDeskless optimizes field service and boosts customer satisfaction
BULK
📱 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! 🎉
DBCode
Connect, query and manage your databases without leaving Visual Studio Code. Supports Postgres, MySQL, MariaDB, SQL Server, MongoDB and more...
Auth.js
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.
GoPasswordless
GoPasswordless is an authentication service and SDK that focuses on enabling passwordless authentication flows in web apps.
Clerk
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.
SvelteLaunch
Svelte 5 Boilerplate for building AI apps quickly
Ory
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.
BetaList
BetaList is a large and well-known startup directory but it's also very selective. They review each submission before they decide whether to allow it on the platform. Your startup should be pre-launch or recently launched without substantial press coverage, needs a custom designed, decent-looking landing describing the product and a way for people to sign up.
Auth0
Auth0 is a flexible, drop-in solution to add authentication and authorization services to your applications. Your team and organization can avoid the cost, time, and risk that come with building your own solution to authenticate and authorize users.
Gluu Server
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.
DigitalGondola
The source of truth for Software-as-a-Service buying advice. Over 750+ SaaS, Micro-SaaS & Digital Services reviewed, compared, and analyzed.
Tiny Startups
Tiny Startups is free to use but you need to pay a fee to skip the queue. It doesn’t matter whether you’re building a SaaS, marketplace, mobile app, productized service, newsletter or something else — all are welcome!
Built In
Built In is a large job board for remote and non-remote tech jobs at startups and leading companies. You can filter jobs base don its remote status, date posted, experience, company size etc.
Shipped.club
Launch your startup in days, not months. Shipped.club saves you time, by providing all you need to ship your SaaS product in a fraction of the time.
Dynamiq
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.
Auth0 by Okta
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.