Freemium
Appwrite
Open SourceMobile Backend & Services · Mobile Development
Self-hostable backend platform: auth, databases, storage and functions.
baasbackendauthself-hosted
Browse the complete directory — use filters to narrow down.
Mobile Backend & Services · Mobile Development
Self-hostable backend platform: auth, databases, storage and functions.
Development Platforms · IoT & Embedded
The official Arduino IDE 2.x — autocomplete, debugging and board manager for the world's most popular maker boards.
CI/CD · DevOps
Declarative GitOps continuous delivery for Kubernetes.
UI Libraries · Frontend
Headless component library for React, Vue and Solid, powered by Zag.js state machines.
Load & Performance · Testing
Modern load testing and smoke testing for APIs and microservices.
Screenshots · Image & Media
Record terminal sessions as lightweight, copy-pasteable text casts — embeddable and shareable.
Frameworks · Backend
Microsoft's cross-platform framework for web apps and APIs.
Frameworks · Frontend
Web framework for content-driven sites that ships zero JS by default.
Documentation Generators · PDF & Documents
Astro's documentation framework — fast, accessible docs sites with search, i18n and sidebar tooling built in.
Audio & Video · Image & Media
The classic open-source audio editor — multi-track editing, noise removal and effects for podcasts and voiceovers.
Authentication · API Tools
Open-source authentication for Next.js and other JS frameworks.
Authentication · API Tools
Okta's identity platform for authentication and authorization.
Animation · Frontend
One-function animation utility that adds smooth transitions to DOM changes — zero configuration.
Agent & LLM Frameworks · AI for Developers
Microsoft's framework for multi-agent AI conversations.
Hyperscalers · Cloud Platforms
Amazon Web Services: the largest cloud platform with 200+ services.
Accessibility · Testing
Industry-standard accessibility testing engine and browser tools.
Frameworks · Backend
Ergonomic, modular Rust web framework built on Tokio.
Whiteboards & Diagrams · Design & Prototyping
Low-fidelity wireframing that keeps the focus on structure.
UI Libraries · Frontend
Headless React components from the Material UI team — unstyled primitives with strong accessibility.
Programming Languages
Official GNU Bash shell website with manual and downloads.
Authentication · API Tools
Framework-agnostic TypeScript authentication library (trending).
Uptime & Alerting · Monitoring & Observability
Uptime monitoring, incident management and log management in one.
Build & Lint · Frontend
One fast Rust toolchain for linting, formatting and more (trending).
Passwords & IDs · Security
Open-source password manager with a free generator and vault.