Freemium
Authentication · API Tools
Okta's identity platform for authentication and authorization.
authoauthssoidentity
Browse the complete directory — use filters to narrow down.
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.
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.
API Clients · API Tools
Fast, Git-friendly open-source API client that stores collections locally.
Error Tracking · Monitoring & Observability
Error monitoring with strong mobile and release health support.
Penetration Testing · Security
The industry-standard toolkit for web application security testing: intercepting proxy, scanner and intruder.
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.
Vector Databases · AI for Developers
Open-source embedding database designed for local-first AI apps.
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.
AI Coding Assistants · AI for Developers
Anthropic's agentic coding tool that lives in your terminal.
Authentication · API Tools
Complete auth and user management with beautiful prebuilt components.
NoSQL · Database
Blazing-fast columnar database for real-time analytics.
AI Coding Assistants · AI for Developers
Open-source autonomous coding agent as a VS Code extension.
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.