HashiCorp Vault
Open SourcePasswords & IDs · Security
Manage secrets, certificates and encryption centrally.
Browse the complete directory — use filters to narrow down.
Passwords & IDs · Security
Manage secrets, certificates and encryption centrally.
ORMs · Backend
Instant GraphQL APIs over your databases with permissions built in.
Agent & LLM Frameworks · AI for Developers
Open-source LLM observability — logging, caching, rate limiting and cost tracking behind a one-line proxy.
PaaS & Edge · Cloud Platforms
The original PaaS: git push to deploy apps with managed add-ons.
VPS & Bare Metal · Cloud Platforms
German hosting provider known for high-performance, low-cost VPS.
API Clients · API Tools
Lightweight, open-source API development ecosystem in the browser.
API Clients · API Tools
User-friendly HTTP client for the CLI with JSON-first syntax.
Models & LLM APIs · AI for Developers
The AI community hub: models, datasets, spaces and libraries.
PDF Tools · PDF & Documents
Merge, split, compress, convert and sign PDFs online.
NoSQL · Database
Purpose-built time-series database for metrics and events.
Wallets & Infrastructure · Web3 & Blockchain
Consensys's hosted Ethereum and IPFS node service — scalable RPC access without running your own nodes.
API Clients · API Tools
Open-source API client for REST, GraphQL and gRPC by Kong.
Cross-Platform · Mobile Development
Cross-platform SDK using web technologies for hybrid apps.
Load & Performance · Testing
Open-source load testing tool using JavaScript test scripts.
Notebooks & Data Science · Data & Analytics
Data science community with datasets, notebooks and competitions.
Models & LLM APIs · AI for Developers
Moonshot AI's assistant with long-context understanding.
Web Servers & Proxies · DevOps
Popular open-source API gateway and microservices management.
Agent & LLM Frameworks · AI for Developers
Framework for building LLM applications with agents and chains.
Agent & LLM Frameworks · AI for Developers
Open-source LLM observability: traces, evals and prompt management.
Feature Flags · DevOps
The commercial standard for feature flags — targeting, rollouts, experimentation and SDKs for every stack.
Payments · API Tools
Merchant-of-record payments and licensing for digital products.
Models & LLM APIs · AI for Developers
Open-source, multi-provider chat UI with agents and artifacts.
VPS & Bare Metal · Cloud Platforms
Akamai's cloud computing service with simple Linux VMs.
Migrations & ERD · Database
Open-source database schema change tracking and deployment.