Discover free and free-tier developer tools across 14 categories.
185 free tools available
Hub for open-source machine learning models, datasets, and demo Spaces with hosted inference.
Free account with unlimited public models/datasets, community GPU-backed Spaces, and a rate-limited Inference API.
Run open large language models like Llama, Mistral, and Gemma locally with a single command.
Completely free and open source; runs entirely on your own hardware with no usage caps.
Ultra-low-latency LLM inference served on custom LPU hardware via an OpenAI-compatible API.
Free developer tier with generous daily token limits across supported open models.
Unified API gateway that routes requests across hundreds of LLMs from many providers.
Free access to a rotating set of free models plus credits to trial paid models.
Browser-based workspace to prototype prompts and build with the Gemini family of models.
Free prompt prototyping and a free Gemini API tier with per-minute rate limits.
Frontend cloud for deploying Next.js and other frameworks with global edge delivery and previews.
Hobby plan: free personal projects, automatic HTTPS, preview deployments, and 100 GB bandwidth/mo.
Platform for deploying static sites and serverless functions with CI from Git.
Free Starter: 100 GB bandwidth/mo, 300 build minutes, deploy previews, and serverless functions.
JAMstack hosting on Cloudflare's edge network with tight Workers integration.
Free unlimited sites and requests, 500 builds/mo, and unlimited bandwidth.
Unified cloud for hosting web services, static sites, cron jobs, and managed databases.
Free static sites and free web services that sleep after inactivity; free Postgres for 30 days.
Infrastructure platform to deploy apps, databases, and services from a Git repo with minimal config.
One-time $5 trial credit to start; the Hobby plan is $5/mo and includes $5 of usage.
Open-source Firebase alternative offering Postgres, auth, storage, edge functions, and realtime.
Free project: 500 MB Postgres, 1 GB storage, 50k monthly active auth users, and realtime.
Serverless Postgres with branching, autoscaling, and scale-to-zero for development workflows.
Free plan: 0.5 GB storage, autoscaling compute, and database branching for one project.
MySQL-compatible serverless database platform built on Vitess with non-blocking schema changes and online schema migrations.
No free tier — the free Hobby plan was discontinued in April 2024; paid plans now start at $39/mo. Listed for comparison; see Turso, Neon, or Supabase for free options.
Fully managed cloud document database with global clusters and full-text search.
Free M0 shared cluster with 512 MB storage on AWS, GCP, or Azure.
Google's app development platform with realtime/Firestore databases, auth, hosting, and storage.
Spark plan: free Firestore reads/writes quota, 1 GB storage, auth, and hosting.
Web and app analytics platform for tracking traffic, events, and conversions.
Free for standard use with event-based GA4 reporting and audience insights.
Lightweight, privacy-friendly, cookie-free website analytics that is open source.
Free when self-hosted; 30-day trial on the managed cloud service.
Open-source product analytics suite with funnels, session replay, and feature flags.
Generous free tier: 1M events, 5k recordings, and feature flags each month.
Simple, fast, privacy-focused open-source analytics you can self-host in minutes.
Free and open source when self-hosted; free hosted tier with 100k events/mo.
Drop-in authentication and user management with prebuilt UI components for modern apps.
Free up to 10,000 monthly active users with prebuilt components and social logins.
Identity platform providing authentication, authorization, and single sign-on as a service.
Free up to 25,000 monthly active users with social and passwordless login.
Postgres-native authentication with row-level security, OAuth providers, and magic links.
Included in the Supabase free tier with 50,000 monthly active users.
Managed authentication backend supporting email, phone, and federated identity providers.
Free for most providers; phone auth includes a limited free monthly verification quota.
Media platform for uploading, transforming, optimizing, and delivering images and video.
Free plan with 25 monthly credits covering storage, transformations, and bandwidth.
S3-compatible object storage with access policies tied to your Postgres auth rules.
1 GB of file storage included on the Supabase free tier.
Low-cost S3-compatible cloud object storage with free egress to many CDN partners.
First 10 GB of storage free, plus free daily download allowance.
Industry-standard scalable object storage for files, backups, and static assets.
Free tier: 5 GB standard storage for 12 months with limited requests.
Application monitoring and error tracking with stack traces, releases, and performance tracing.
Free Developer plan: 5k errors, 10k performance units, and basic alerting per month.
Hosted observability stack for metrics, logs, and traces with prebuilt dashboards.
Free forever tier: 10k metrics series, 50 GB logs and traces, and 14-day retention.
Uptime monitoring, incident management, and log management in one platform.
Free plan with 10 monitors, status pages, and 3 GB of logs per month.
Simple uptime and status monitoring that alerts you when your services go down.
Free plan with 50 monitors at 5-minute checks and public status pages.
CI/CD automation built into GitHub for building, testing, and deploying from workflows.
Free unlimited minutes for public repos; 2,000 minutes/mo for private repos.
Integrated pipelines for building, testing, and deploying directly from GitLab repositories.
Free tier includes 400 compute minutes per month on shared runners.
Cloud CI/CD platform with configurable pipelines, caching, and parallelism.
Free plan with 6,000 build minutes per month and up to 5 active users.
API platform for designing, testing, documenting, and mocking HTTP APIs.
Free plan with collaborative collections, 25 mock/monitor calls, and shared workspaces.
Lightweight open-source API development tool for crafting and testing requests in the browser.
Free and open source; self-host or use the free hosted app.
Marketplace to discover, test, and connect to thousands of public and private APIs.
Free to browse and subscribe to APIs that offer free usage tiers.
Developer-first payments API for accepting cards, subscriptions, and marketplace payouts.
No monthly fee; pay only per-transaction, with a full-featured test mode for development.
Collaborative interface design tool for UI design, prototyping, and design systems.
Free Starter plan: 3 design files, unlimited collaborators, and basic prototyping.
Drag-and-drop design tool for graphics, presentations, and social media assets.
Free plan with thousands of templates, photos, and basic editing features.
Virtual whiteboard for sketching hand-drawn-style diagrams and architecture flows.
Free and open source with no account required; collaborative rooms available.
Fast color palette generator for building accessible, harmonious design systems.
Free palette generation and browsing with optional account to save palettes.
All-in-one workspace for notes, docs, wikis, and lightweight project databases.
Free Personal plan with unlimited pages and blocks for individuals.
Code hosting platform for version control, collaboration, issues, and pull requests.
Free unlimited public and private repositories with collaborators and Actions minutes.
Free, extensible source-code editor with debugging, Git integration, and a huge extension market.
Completely free and open source for all platforms.
Streamlined issue tracking and project management built for software teams.
Free plan for small teams with unlimited members and 250 active issues.
End-to-end browser testing framework supporting Chromium, Firefox, and WebKit.
Free and open source with no usage limits.
Front-end testing tool for fast, reliable end-to-end and component tests in the browser.
Open-source test runner is free; Cypress Cloud free tier includes 500 test results/mo.
Blazing-fast unit test framework powered by Vite with a Jest-compatible API.
Free and open source.
Delightful JavaScript testing framework with a focus on simplicity and snapshot testing.
Free and open source.
Developer security platform that finds and fixes vulnerabilities in code, dependencies, and containers.
Free plan with limited monthly tests for open-source, code, and container scanning.
Securely manage and inject secrets, SSH keys, and environment variables into development workflows.
Free for open-source maintainers and via free credits; CLI and SSH agent are free to use.
Open-source web application security scanner for finding vulnerabilities through active and passive scanning.
Free and open source with no limits.
Distributed version control system for tracking changes across software projects.
Free and open source for all platforms.
Open-source operating system kernel powering servers, cloud infrastructure, and developer machines.
Free and open source across all major distributions.
Nonprofit offering a free, project-based curriculum and certifications for web development.
Completely free curriculum, certifications, and community.
Comprehensive, community-maintained documentation for web standards, HTML, CSS, and JavaScript.
Free and open documentation for all web developers.
Free AI-powered coding assistant by Google DeepMind for advanced agentic coding, debugging, and code generation.
Free for individual developers with full AI coding capabilities.
AI pair programmer that suggests code completions and entire functions in your editor. Free tier available.
Free tier with limited completions per month for individual developers.
Free AI-powered code completion and chat for 70+ languages in any IDE.
Free forever for individual developers with unlimited completions.
AI-first code editor built on VS Code with integrated AI chat, code generation, and editing.
Free tier with limited AI requests per month.
OpenAI's conversational AI for coding help, debugging, explaining code, and generating solutions.
Free tier with GPT-3.5 and limited GPT-4o access.
Google's multimodal AI for coding, analysis, research, and creative tasks with free access.
Free access to Gemini with generous usage limits.
Anthropic's AI assistant excelling at coding, analysis, and long-context tasks.
Free tier with daily usage limits on Claude 3.5 Sonnet.
Run open-source ML models in the cloud with a simple API. Pay per use with free credits.
Free credits for new users; open-source models are free to run.
Fast inference API for open-source LLMs like Llama, Mistral, and more.
$5 free credits on signup; open-source model hosting.
Open-source framework for building LLM-powered applications with chains, agents, and retrieval.
Fully open-source and free. LangSmith tracing has a free tier.
Data framework for connecting LLMs with external data sources for RAG applications.
Fully open-source and free to use.
Open-source image generation model. Run locally for free or use via API services.
Fully open-source; run locally for free with no limits.
AI-powered search engine that provides cited answers for research and learning.
Free tier with unlimited basic searches.
AI-powered UI generation tool that creates React components from text prompts.
Free tier with limited generations per month.
Free static site hosting directly from your GitHub repository with custom domains.
Free for public repos; 1GB storage, 100GB bandwidth/month.
Deploy full-stack apps globally with free allowances for small projects.
Free tier: 3 shared VMs, 160GB outbound, 3GB persistent storage.
Serverless edge hosting for Deno/TypeScript applications with instant deploys.
Free tier: 100K requests/day, 100 GiB bandwidth/month.
Simple, single-command static web publishing for frontend developers.
Free tier with unlimited publishing, custom domains, and SSL.
Build and host full-stack web apps in the browser with instant deploys.
Free tier with full-stack app hosting (sleeps after inactivity).
Browser-based IDE with built-in hosting, AI assistance, and collaboration.
Free tier with unlimited repls, built-in hosting, and AI.
Edge-hosted SQLite database with libSQL, global replication, and embedded replicas.
Free: 500 databases, 9GB storage, 25M row reads/month.
Serverless Redis and Kafka with per-request pricing and generous free tiers.
Free: 10K commands/day Redis, 10K messages/day Kafka.
Distributed SQL database with PostgreSQL compatibility and automatic scaling.
Free Serverless tier: 10 GiB storage, 50M request units/month.
Serverless document-relational database with native GraphQL and global distribution.
Free tier: 100K read/write ops, 5GB storage.
Spreadsheet-database hybrid for building apps, managing data, and automating workflows.
Free: unlimited bases, 1,000 records per base, 1GB attachments.
Serverless Postgres platform with built-in search, analytics, and branching.
Free: 15GB storage, 75 requests/second, 750K records.
Product analytics platform for tracking user behavior, funnels, and retention.
Free: up to 20M events/month with unlimited data history.
Digital analytics platform for understanding user behavior and product usage.
Free Starter plan with up to 50K tracked users/month.
Heatmaps, session recordings, and user feedback tools for understanding website visitors.
Free Basic plan: 35 daily sessions, unlimited heatmaps.
Lightweight, session-based authentication library for any runtime and framework.
Fully open-source and free to use. Self-hosted.
Open-source authentication for Next.js and other frameworks with 50+ providers.
Completely free and open-source.
Open-source identity and access management with SSO, LDAP, and social login.
Fully open-source; self-hosted with no limits.
Open-source auth infrastructure with beautiful sign-in experience and management console.
Free: 50K MAU, unlimited apps, social connectors.
File uploads for full-stack TypeScript applications with a simple API.
Free tier: 2GB storage, 2GB bandwidth/month.
Free image hosting with API access, hotlinking, and no expiration.
Free: unlimited uploads up to 32MB per image.
S3-compatible object storage with zero egress fees.
Free: 10GB storage, 1M Class A ops, 10M Class B ops/month.
Infrastructure monitoring, APM, and log management platform.
Free: up to 5 hosts, 1-day metric retention.
API and browser monitoring with Playwright-based synthetic checks.
Free Hobby plan: 5 checks, 10K check runs/month.
Monitor cron jobs, background tasks, pipelines, and heartbeat health checks.
Free Developer plan: 5 monitors.
Open-source automation server for building, testing, and deploying software.
Fully open-source and free. Self-hosted.
Container-native CI/CD platform with pipeline-as-code configuration.
Open-source Community Edition is free. Cloud free for open-source.
Open-source CI/CD engine with Docker-based pipelines. Community-driven fork of Drone.
Fully open-source and free. Self-hosted.
Cloud communications API for SMS, voice, video, and email.
Free trial with $15 credit; free SMS/voice to verified numbers.
Modern email API for developers with React Email templates.
Free: 3,000 emails/month, 100 emails/day.
Email delivery service with API and SMTP relay for transactional and marketing emails.
Free: 100 emails/day forever.
Hosted search API with typo-tolerance, faceting, and instant results.
Free: 10K search requests/month, 10K records.
Open-source, lightning-fast search engine with typo tolerance and faceted search.
Fully open-source. Meilisearch Cloud free tier: 100K documents.
Open-source notification infrastructure for in-app, email, push, SMS, and chat.
Free: 30K events/month across all channels.
Open-source design and prototyping platform. Free alternative to Figma.
Completely free and open-source. Self-hosted or cloud.
3D design tool for the web with real-time collaboration and code export.
Free: unlimited projects, real-time collaboration, web export.
Universal icon framework with 200K+ open-source icons from 100+ icon sets.
Completely free. All icons are open-source.
Open-source illustrations for any project. Customizable colors, free to use.
Completely free for personal and commercial use.
Self-host Google Fonts and other open-source fonts via npm packages.
Completely free and open-source.
Knowledge management with markdown, backlinks, and graph views for developer notes.
Free for personal use with unlimited vaults and plugins.
Task management app with projects, labels, priorities, and integrations.
Free: 5 active projects, 5 collaborators per project.
Blazingly fast launcher and productivity tool for macOS with extensions.
Free for personal use with all core features.
Online collaborative whiteboard for brainstorming, diagramming, and planning.
Free: 3 editable boards, unlimited team members.
Team messaging platform with channels, threads, and integrations.
Free: 90-day message history, 10 integrations.
Free communication platform with voice, video, text for developer communities.
Completely free with unlimited servers, channels, and voice chat.
Free online cron job service to schedule HTTP requests at any interval.
Free: unlimited cron jobs with 1-minute minimum interval.
Open-source browser automation framework for web application testing.
Completely free and open-source.
Simple and complete testing utilities encouraging good testing practices.
Completely free and open-source.
Open-source tool for building, documenting, and testing UI components in isolation.
Completely free and open-source. Chromatic free tier for visual testing.
Open-source load testing tool for performance testing APIs and websites.
Fully open-source. Grafana Cloud k6 free tier: 50 tests/month.
Free, automated SSL/TLS certificates for any website.
Completely free. Unlimited certificates.
Free CDN, DDoS protection, DNS, and web security for any website.
Free: unlimited bandwidth CDN, DDoS protection, DNS, SSL.
Open-source secrets management, encryption, and identity-based access.
Open-source edition is free. Self-hosted.
Automated dependency updates and security vulnerability alerts for GitHub repos.
Completely free on GitHub for all repos.
Containerization platform for building, shipping, and running applications anywhere.
Docker Desktop free for personal use; Docker Engine fully open-source.
Open-source container orchestration system for automating deployment and scaling.
Completely free and open-source. Self-managed.
Infrastructure as Code tool for provisioning cloud resources declaratively.
Open-source CLI is free. Terraform Cloud free: up to 500 resources.
Open-source monitoring and alerting toolkit for reliability and observability.
Completely free and open-source.
Full-stack React framework with SSR, SSG, API routes, and the App Router.
Completely free and open-source.
Utility-first CSS framework for rapidly building custom user interfaces.
Completely free and open-source.
TypeScript ORM for Node.js with auto-generated queries, migrations, and a visual editor.
Completely free and open-source. Prisma Accelerate has a free tier.
Lightweight TypeScript ORM with SQL-like syntax and zero dependencies.
Completely free and open-source.
Beautifully designed, accessible components built on Radix UI and Tailwind CSS.
Completely free and open-source. Copy-paste components.
Small, fast, scalable state management for React with a minimal API.
Completely free and open-source.
Content-focused web framework with island architecture for maximum performance.
Completely free and open-source.
Next-generation frontend build tool with instant HMR and lightning-fast builds.
Completely free and open-source.
Modern, fast Python web framework for building APIs with automatic documentation.
Completely free and open-source.
Minimal and flexible Node.js web application framework for APIs and web apps.
Completely free and open-source.
In-memory data store used as database, cache, message broker, and streaming engine.
Completely free and open-source. Self-hosted with no limits.
High-performance web server, reverse proxy, and load balancer.
Completely free and open-source.
The library for building user interfaces with components, hooks, and virtual DOM.
Completely free and open-source by Meta.
Typed superset of JavaScript that compiles to plain JS. Essential for modern development.
Completely free and open-source by Microsoft.
Versatile programming language for web, data science, AI, automation, and scripting.
Completely free and open-source.
Powerful open-source relational database with advanced features and extensibility.
Completely free and open-source. Self-hosted with no limits.
India's leading payment gateway supporting UPI, cards, netbanking, wallets, and EMI with developer-friendly APIs.
No setup fee, no maintenance fee. Pay only 2% per transaction. Free test mode with full API access.
Payment gateway for Indian businesses with UPI, cards, netbanking, EMI, and pay-later options.
Free integration, no setup fees. Pay only per transaction (2%). Full sandbox for testing.
Payment gateway and banking APIs for India — payments, payouts, subscriptions, and payment links.
Free integration. No setup or annual fee. Sandbox with full API testing. 1.95% per transaction.
UPI-first payment gateway by PhonePe for Indian merchants with QR, deep links, and SDK.
Zero setup fee. UPI payments at 0% MDR. Free sandbox and developer tools.
All-in-one payment and e-commerce solution for Indian small businesses, freelancers, and creators.
Free Lite plan: payment links, UPI/QR collection. 2% + ₹3 per transaction. No monthly fee.
Payment orchestration platform powering payments for top Indian apps (Google Pay, Amazon, etc.).
Free HyperSDK for mobile. Open-source payment orchestration. Contact for pricing.
Cloud hosting with Bangalore data center. Droplets, managed databases, Kubernetes, and App Platform.
$200 free credits for 60 days. India (BLR1) datacenter for low latency.
AWS Mumbai region (ap-south-1) with 12-month free tier: EC2, S3, RDS, Lambda, and 100+ services.
12-month free tier: 750hrs EC2, 5GB S3, 750hrs RDS, 1M Lambda requests/month. Mumbai region.
Google Cloud with Mumbai region. Always-free tier includes Compute Engine, Cloud Functions, Firestore.
$300 free credits for 90 days. Always-free: 1 e2-micro VM, 5GB Cloud Storage, 2M Cloud Functions/month.
Indian cloud communication platform for SMS, Email, WhatsApp, Voice, and OTP verification.
Free tier: 5,000 SMS credits on signup. Free OTP widget. No monthly charges for test mode.
Conversational messaging platform for WhatsApp Business API, SMS, and chatbots in India.
Free sandbox for WhatsApp API testing. Developer-friendly APIs with Indian pricing.
Government of India's digital document platform. Verify Aadhaar, PAN, driving license, and education docs via API.
Free for Indian developers. Government-backed digital identity verification.
India's Aadhaar-based electronic KYC for identity verification via biometric or OTP.
Free for licensed entities via UIDAI. Sandbox available for testing.
Business intelligence and analytics platform by Zoho (Chennai-based). Dashboards, reports, and AI insights.
Free plan: 2 users, 10K rows, unlimited reports and dashboards.
Ad-free professional email hosting by Zoho with 5GB/user, custom domain, and Indian data centers.
Free: up to 5 users, 5GB/user, custom domain email, Indian data center.
Project management tool by Zoho with Gantt charts, timesheets, and team collaboration.
Free plan: 3 users, 2 projects, 10MB storage.
Free online courses by IITs and IISc with certificates. Programming, CS, electronics, and engineering.
All courses free to audit. Certification exam fee ₹1,000. Government recognized.
India's national MOOC platform by MHRD. Free courses from IITs, IIMs, and central universities.
All courses free to audit. Certification available at nominal fee.
Free government platform for digital skills training — coding, AI, cloud, cybersecurity with certificates.
Completely free. Government-backed skill development with certificates.
Free courses by TCS on programming, data science, cloud, and career skills with certificates.
Many courses free with certificates. Industry-recognized by TCS.
Free digital learning platform by Infosys — programming, AI, cloud, soft skills with certificates.
Completely free. 1000+ courses with certificates from Infosys.
India's leading shipping and logistics aggregator API with 25+ courier partners.
Free Lite plan: no monthly charges. Pay only per shipment. API access included.
Logistics API for Indian e-commerce — shipping, tracking, warehousing, and fulfillment.
API access available for registered businesses. Pay per shipment.
Online presentation tool by Zoho with collaboration, templates, and broadcasting.
Free: unlimited presentations, 5GB storage, real-time collaboration.
Open-source backend-as-a-service with auth, database, storage, functions, and messaging.
Free plan: unlimited projects, 75K monthly active users, 10GB database, 2GB storage.
Instant GraphQL and REST APIs on your data. Auto-generated from PostgreSQL.
Free Cloud tier: 1GB data passthrough/month, 60 requests/min.
Audit 5000+ courses from top universities free. Paid certificates available, many free for India.
Free to audit all courses. Financial aid available for certificates in India.
Free courses from Harvard, MIT, and more. Audit any course for free, pay only for certificates.
Free audit access to all courses. Verified certificates available at low cost.
Professional certificates by Google in Data Analytics, Cybersecurity, Project Management, UX, and IT.
7-day free trial on Coursera. Financial aid available. Widely recognized in India.
500+ free digital courses on AWS cloud services with badges and learning plans.
Free tier: 500+ courses, digital badges, and exam prep resources.
Free training on Azure, Microsoft 365, Power Platform, and developer tools with certifications.
All learning content free. Free practice assessments. Paid certification exams.
Coding practice, skill certifications, and interview prep platform used by top companies.
Free: unlimited practice, skill certifications, contests, and interview prep.
Coding interview prep with 2000+ problems, weekly contests, and discuss forums.
Free: access to most problems, contests, and discuss. Premium for advanced features.
Data science and ML platform with free notebooks, datasets, competitions, and courses.
Free: GPU/TPU notebooks, 50K+ datasets, ML competitions, and micro-courses.
Interactive coding screencasts for frontend, React, JavaScript, and more.
Many courses free including Learn React, Learn JavaScript, and Intro to CSS.
Free, open-source full-stack curriculum with projects, from HTML/CSS to Node.js and React.
Completely free. Community-driven, project-based learning.
Harvard's legendary intro to CS course — free on edX with certificate option.
Free to audit. Verified certificate available for a fee.
Free subdomain provider offering custom subdomains for developers, students, and open-source projects.
Completely free subdomains with DNS management and no hidden costs.
Free isroot.in subdomains for developers and personal projects with easy DNS setup.
Free subdomains under isroot.in with full DNS control.
Free pp.ua subdomains for personal websites, portfolios, and developer projects.
Free subdomains under pp.ua with DNS management included.