Generous zero-dollar free tiers for databases, authentication, serverless compute, object storage, and observability.
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| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| Clerk | 10,000 monthly active users, social logins, MFA |
Complete user management and authentication suite for React, Next.js, and modern full-stack web applications. | Explore |
| Auth.js | 100% Free & Open Source, self-hostable with unlimited users |
Complete open-source authentication library for Next.js, SvelteKit, Express, and modern frameworks with zero vendor lock-in. | Explore |
| Better Auth | 100% Free & Open Source framework |
Comprehensive TypeScript-first open-source authentication framework supporting multi-factor auth, organizations, and plugins. | Explore |
| Lucia | 100% Free & Open Source |
Flexible and lightweight open-source authentication and session handling resource for modern web applications. | Explore |
| SuperTokens | Free self-hosted community edition; Free cloud tier up to 5,000 MAU |
Open-source alternative to Auth0 and Firebase Auth providing passwordless, social login, session management, and user roles. | Explore |
| Logto | Free self-hosted version; Free cloud tier for up to 50k MAU |
Modern open-source identity and access management infrastructure with OIDC, OAuth 2.0, and pre-built sign-in UI. | Explore |
| Keycloak | 100% Free & Open Source Apache-2.0, self-hostable |
Open source identity and access management solution for modern applications and services, supporting OpenID Connect and SAML. | Explore |
| Authentik | 100% Free & Open Source GNU GPLv3 |
Open-source Identity Provider focused on flexibility and versatility with built-in user directory, MFA, and SSO. | Explore |
| Authelia | 100% Free & Open Source Apache-2.0 |
Open-source authentication and authorization server providing 2-factor authentication and single sign-on for reverse proxies. | Explore |
| Zitadel | 100% Free Open Source self-hosted; Free cloud tier with 25k requests/mo |
Open source identity infrastructure with turnkey authentication, audit logs, multi-tenancy, and passkeys. | Explore |
| FusionAuth | Free Community Edition with unlimited users and basic MFA |
Complete customer identity and access management system with fast setup and flexible user management APIs. | Explore |
| Casdoor | 100% Free & Open Source Apache-2.0 |
UI-first open-source Identity and Access Management (IAM) / Single-Sign-On (SSO) platform with web UI. | Explore |
| Ory Kratos | 100% Free & Open Source Apache-2.0 |
Cloud-native user management system and identity provider implementing login, registration, MFA, and social auth. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| Cloudflare Workers | 100,000 requests/day, KV store, D1 SQL database |
Deploy serverless code instantly across Cloudflare's global edge network with ultra-low latency. | Explore |
| Fly.io | Free allowance: up to 3 shared-cpu-1x VMs, 3GB persistent storage |
Run full-stack apps and databases close to your users globally with lightweight Firecracker microVMs. | Explore |
| Render | Free static sites, free web services (750 hrs/mo), free PostgreSQL |
Unified cloud to build and run web applications, APIs, static sites, and background workers with automated Git deploys. | Explore |
| Koyeb | Free Eco tier: 1 web service, 512MB RAM, global edge network |
Serverless platform to deploy full-stack apps and Docker containers globally with built-in CDN, SSL, and private networking. | Explore |
| Railway | Free trial credit of $5 for new projects with zero setup |
Infrastructure platform where developers build, ship, and scale code without configuring servers. | Explore |
| Oracle Cloud Always Free | 4 OCPU, 24GB RAM Arm compute, 2 AMD micro VMs, 200GB storage |
Generous always-free cloud infrastructure: 4 Arm Ampere A1 cores, 24GB RAM, and 200GB block storage. | Explore |
| Deno Deploy | 1,000,000 requests/month, 100 GiB outbound transfer |
Globally distributed system that runs JavaScript, TypeScript, and WebAssembly at the edge with zero cold starts. | Explore |
| Vercel | Free Hobby Plan: 100GB bandwidth, automated CI/CD previews, serverless functions |
Frontend cloud platform providing seamless Git deployments, edge middleware, and serverless functions. | Explore |
| Netlify | Free Starter Tier: 100GB bandwidth/mo, 300 build minutes/mo |
Platform for deploying modern web projects with automated Git workflows, serverless functions, and form handling. | Explore |
| Cloudflare Pages | Unlimited sites, unlimited requests, 500 builds per month |
Fast, secure, and free Jamstack platform for frontend developers running directly on Cloudflare edge. | Explore |
| GitHub Pages | 100% Free with 1GB repository size limit and 100GB bandwidth/mo |
Websites for you and your projects, hosted directly from your GitHub repository with automatic SSL. | Explore |
| GitLab Pages | 100% Free with custom domain support and Let's Encrypt SSL |
Publish static websites directly from any repository on GitLab with integrated CI/CD pipelines. | Explore |
| Glitch | Free public hosting with auto-sleep after inactivity |
Friendly community and instant web development environment where anyone can build, remix, and host full-stack apps. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| Supabase | 500MB DB, 50k monthly active users, 1GB storage |
Open source Firebase alternative providing PostgreSQL, Auth, Instant APIs, Realtime subscriptions, and Storage. | Explore |
| Neon | 0.5 GB storage, instant branching, scale-to-zero |
Serverless Postgres with instant branching, bottomless storage, and autoscaling compute to zero. | Explore |
| PocketBase | 100% Free & Open Source, single binary self-hostable |
Open source backend in 1 file consisting of embedded SQLite database with real-time subscriptions, built-in auth, and admin dashboard. | Explore |
| Appwrite | Free Cloud Tier: 2 projects, 75k monthly active users, 2GB storage |
Self-hosted backend-as-a-service platform providing developers with core APIs for authentication, databases, storage, and serverless functions. | Explore |
| Turso | Free Starter Tier: 9GB storage, 500 databases, and 1B row reads/mo |
Distributed SQLite database powered by libSQL designed for low-latency queries at the edge. | Explore |
| Upstash | 10,000 commands/day free for Redis, 10,000 messages/day for Kafka |
Serverless data platform providing Redis, Apache Kafka, and QStash with per-request pricing and instant scaling. | Explore |
| Directus | 100% Free & Open Source Community Edition |
Real-time API and app dashboard layer for any SQL database with granular access control and event automation. | Explore |
| Strapi | 100% Free & Open Source Community Edition |
Open-source headless CMS delivering customizable REST and GraphQL APIs for web and mobile frontends. | Explore |
| Qdrant Cloud | 1GB permanent free cluster with 0.5 vCPU on Qdrant Cloud; 100% Free Open Source |
Open-source vector database and similarity search engine for machine learning embeddings and semantic retrieval. | Explore |
| Aiven Free Tier | Free tier PostgreSQL / MySQL single-node with 1GB RAM and 5GB storage |
Managed cloud data platform offering permanent free tiers for PostgreSQL, MySQL, and OpenSearch. | Explore |
| MongoDB Atlas | Shared M0 cluster with 512MB storage and shared RAM permanently free |
Fully managed document database service with automated scaling, backups, and built-in security. | Explore |
| Redis Cloud | Free 30MB database with high throughput and basic persistence |
High-performance in-memory key-value database managed on AWS, GCP, and Azure. | Explore |
| CockroachDB Serverless | Free tier with 10GB storage and 50M Request Units per month |
Distributed, multi-region SQL database that scales automatically and ensures serializable ACID consistency. | Explore |
| TiDB Serverless | Free tier with 5GB row storage, 5GB columnar storage, and 50M RU/mo |
Distributed, MySQL-compatible Hybrid Transactional/Analytical Processing (HTAP) database with serverless auto-scaling. | Explore |
| Dragonfly | 100% Free & Open Source BSL |
A modern, highly performant replacement for Redis and Memcached with 25x throughput and multi-threaded core. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| RabbitMQ | 100% Free & Open Source MPL-2.0 |
Most widely deployed open source message broker supporting AMQP, MQTT, and STOMP protocols. | Explore |
| Eclipse Mosquitto | 100% Free & Open Source EPL-2.0 |
Lightweight open-source message broker that implements the MQTT protocol versions 5.0, 3.1.1 and 3.1. | Explore |
| EMQX | 100% Free Open Source Community Edition; Free cloud tier |
The world's most scalable open-source MQTT platform for connected IoT, automotive, and industrial devices. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| PostHog | 1,000,000 events/month, 5,000 session recordings/month permanently free |
Open-source product analytics suite combining web analytics, session replays, feature flags, and survey tools. | Explore |
| Umami | 100% Free & Open Source self-hosted; Free cloud tier available |
Privacy-focused, cookie-free open-source web analytics platform with a fast and intuitive dashboard. | Explore |
| GlitchTip | 100% Free & Open Source; Free hosted tier with 1,000 events/mo |
Open-source, self-hosted error tracking system compatible with Sentry client libraries and SDKs. | Explore |
| Plausible Analytics Self-Hosted | 100% Free & Open Source AGPLv3 for self-hosters |
Lightweight and open-source Google Analytics alternative with zero cookies and full GDPR compliance. | Explore |
| Grafana OSS | 100% Free & Open Source AGPLv3 self-hosted |
The open and composable observability and data visualization platform with rich dashboards and alerts. | Explore |
| Prometheus | 100% Free & Open Source Apache-2.0 |
An open-source monitoring system with a dimensional data model, flexible query language, and alerting. | Explore |
| Uptime Kuma | 100% Free & Open Source MIT |
Self-hosted monitoring tool like Uptime Robot with modern dashboard and notifications across 90+ services. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| Meilisearch | 100% Free & Open Source MIT binary; Free trial on Meilisearch Cloud |
Lightning-fast, typo-tolerant open-source search engine providing instant full-text search as you type. | Explore |
| Typesense | 100% Free & Open Source GPLv3; Free sandbox environment |
Fast, typo-tolerant open-source search engine designed for delightful developer experience and sub-50ms search. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| Coolify | 100% Free & Open Source self-hosted on your own server or VPS |
Self-hostable, open-source all-in-one alternative to Heroku, Netlify, and Vercel for applications, databases, and services. | Explore |
| Dokku | 100% Free & Open Source |
Smallest PaaS implementation powered by Docker, allowing Git push-to-deploy on your own single server. | Explore |
| CapRover | 100% Free & Open Source |
Extremely easy-to-use open-source app and database deployment platform with automated SSL and 1-click apps. | Explore |
| Easypanel | Free forever: up to 3 projects, unlimited services and deployments, basic monitoring. Requires your own server; hosting costs are separate. |
Proprietary self-hosted control panel for deploying applications and databases with Docker, automatic SSL and a browser interface. | Explore |
| Portainer Community | 100% Free & Open Source Community Edition |
Universal container management platform for Docker, Docker Swarm, and Kubernetes with clean web GUI. | Explore |
| Nginx Proxy Manager | 100% Free & Open Source MIT |
Expose your web services easily and securely with automatic Let's Encrypt SSL certificates and web administration. | Explore |
| Traefik Community | 100% Free & Open Source Apache-2.0 |
The leading cloud-native application proxy that integrates with your existing cluster and configures itself automatically. | Explore |
| Caddy Web Server | 100% Free & Open Source Apache-2.0 |
Enterprise-ready, open source web server with automatic HTTPS written in pure Go. | Explore |
| CasaOS | 100% Free & Open Source Apache-2.0 |
Simple, personal cloud OS designed for home servers and self-hosting Docker apps with an elegant UI. | Explore |
| Umbrel | 100% Free & Open Source |
The ultimate personal home cloud server OS that lets you self-host Bitcoin, AI models, and nextcloud apps with 1 click. | Explore |
| YunoHost | 100% Free & Open Source GPL-3.0 |
Operating system aiming to simplify as much as possible the administration of a self-hosted server. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| MinIO | 100% Free & Open Source GNU AGPLv3 |
High-performance, S3-compatible open-source object storage suite designed for high-density cloud data. | Explore |
| Backblaze B2 | 10GB permanent free storage and 1GB/day free download bandwidth |
S3-compatible cloud object storage with ultra-low pricing and free bandwidth partnerships with Cloudflare. | Explore |
| Scaleway Stardust & Object Storage | 75GB free Object Storage per month permanently |
European cloud provider offering multi-AZ S3-compatible object storage with generous free allowances. | Explore |
| Service | Free Tier Allowance | Description | Links |
|---|---|---|---|
| Resend | 3,000 emails/month, 100 emails/day, 1 custom domain |
Developer-first email platform for sending transactional emails using clean React components. | Explore |
| Brevo (formerly Sendinblue) | 300 emails/day permanently free with unlimited contacts |
Email marketing and transactional messaging platform with reliable delivery and webhook tracking. | Explore |
| SendGrid Free Tier | 100 emails/day permanently free |
Cloud-based email infrastructure platform with robust delivery APIs, template engines, and analytics. | Explore |
| Mailgun Free Foundation | 5,000 free emails for 1 month, then low pay-as-you-grow |
Developer-first email delivery platform offering inbound routing, SPF/DKIM verification, and logs. | Explore |