Free
Astro Starlight
Open SourceDocumentation Generators · PDF & Documents
Astro's documentation framework — fast, accessible docs sites with search, i18n and sidebar tooling built in.
docsastromarkdownssg
Browse the complete directory — use filters to narrow down.
Documentation Generators · PDF & Documents
Astro's documentation framework — fast, accessible docs sites with search, i18n and sidebar tooling built in.
Authentication · API Tools
Okta's identity platform for authentication and authorization.
Hyperscalers · Cloud Platforms
Amazon Web Services: the largest cloud platform with 200+ services.
Accessibility · Testing
Industry-standard accessibility testing engine and browser tools.
Whiteboards & Diagrams · Design & Prototyping
Low-fidelity wireframing that keeps the focus on structure.
Uptime & Alerting · Monitoring & Observability
Uptime monitoring, incident management and log management in one.
Passwords & IDs · Security
Open-source password manager with a free generator and vault.
E2E & Browser · Testing
Test on real browsers and devices in the cloud.
Error Tracking · Monitoring & Observability
Error monitoring with strong mobile and release health support.
Scheduling & Booking · API Tools
Open-source scheduling infrastructure — Calendly alternative with booking links, teams and an API you can self-host.
Scheduling & Booking · API Tools
The scheduling standard — shareable booking links, round-robin teams, reminders and integrations.
Models & LLM APIs · AI for Developers
OpenAI's conversational assistant for coding, writing and analysis.
Uptime & Alerting · Monitoring & Observability
Monitoring-as-code using Playwright tests run from the cloud.
Visual Regression · Testing
Visual regression and UI review built by the Storybook team.
CI/CD · DevOps
Cloud CI/CD platform with strong caching and parallelism.
Models & LLM APIs · AI for Developers
Anthropic's AI assistant, strong at coding, analysis and long context.
Authentication · API Tools
Complete auth and user management with beautiful prebuilt components.
NoSQL · Database
Blazing-fast columnar database for real-time analytics.
Conversion · Image & Media
Convert between 200+ file formats: images, video, audio and docs.
Relational · Database
Distributed, PostgreSQL-compatible SQL database built for resilience.
Mobile Backend & Services · Mobile Development
CI/CD built for Flutter, React Native and native mobile apps.
Agent & LLM Frameworks · AI for Developers
Node-graph UI for Stable Diffusion and other generative models.
Hooks & Commits · Git & Version Control
Specification for structured, human and machine-readable commit messages.
Serverless & BaaS · Database
Reactive backend platform with a realtime TypeScript database.