Backend

A library list for the Elixir language and Erlang ecosystem. in Programming Languages →

A functional language on the Erlang VM, strong in scalability. in Programming Languages →

A multi-paradigm language foregrounding readability and developer happiness — the language of Rails. in Programming Languages →

The most widely used asynchronous runtime for Rust; network services build on it. in C, C++ & Rust →

Very high-performance concurrent queues for the JVM, used by projects like Netty. in Java & JVM →

A language on the JVM uniting object-oriented and functional programming — the language Spark is written in. in Java & JVM →

A framework that starts Spring applications running with no configuration burden. in Java & JVM →

The application framework that dominates enterprise Java — dependency injection, web, data. in Java & JVM →

An open-source content management system (CMS), an alternative to WordPress. in Web & Frontend →

A form-driven generator that builds a ready NGINX config from domain, PHP/Node, security and performance options. in Web & Frontend →

The open-source blog and CMS that runs a large share of the web; this is the software you install yourself, not the WordPress.com hosting service. in Web & Frontend →

A directory gathering the docs and console of hundreds of public APIs in one place. in Backend, API & System Design →

A list of plugins and resources for the CakePHP framework. in Backend, API & System Design →

A list of resources, books and samples for domain-driven design (DDD), CQRS and event sourcing. in Backend, API & System Design →

A resource list for Directus, the headless CMS offering a real-time API and dashboard. in Backend, API & System Design →

A list of modules and resources for Drupal, the PHP-based CMS. in Backend, API & System Design →

A resource list for Fiber, the Express-inspired Go web framework built on fasthttp. in Backend, API & System Design →

A resource list for Firebase, Google’s app-development platform. in Backend, API & System Design →

A resource list for linking different IT systems together (integration). in Backend, API & System Design →

A list of packages and resources for Laravel, PHP’s most popular framework. in Backend, API & System Design →

A list of platforms letting business professionals build apps with little code. in Backend, API & System Design →

A resource list for Magento 2, the open-source e-commerce platform built with PHP. in Backend, API & System Design →

A resource list for Node-RED, wiring hardware and services together visually. in Backend, API & System Design →

A list of add-ons and resources for Plone, the open-source Python CMS. in Backend, API & System Design →

A resource list for Prisma, the ORM turning a database into a type-safe client. in Backend, API & System Design →

A resource list for serverless computing and architecture. in Backend, API & System Design →

A list of resources for designing and documenting software architecture. in Backend, API & System Design →

A list of bundles and resources for the Symfony PHP framework. in Backend, API & System Design →

A resource list for Vapor, server-side development in Swift. in Backend, API & System Design →

A backend platform folding the database, server functions and real-time subscriptions into one product. in Backend, API & System Design →

ORM, migrations, admin panel and authentication out of the box. in Backend, API & System Design →

A small reference site that explains CORS with copy-paste configurations for dozens of servers and frameworks (Apache, nginx, Node, IIS and more). in Backend, API & System Design →

Node’s minimal framework, whose middleware model became the ecosystem’s shared vocabulary. in Backend, API & System Design →

A deliberately small core — routing and templating, no ORM or auth. in Backend, API & System Design →

A channel teaching system design, API design and backend architecture through case studies: a hotel booking system, caching, CDNs, load balancing. in Backend, API & System Design →

Queues, scheduler, broadcasting and testing tools live in the core. in Backend, API & System Design →

Martin Fowler’s canonical collection of essays and patterns on software architecture. in Backend, API & System Design →

A distributed memory cache that speeds up sites by holding hot data in RAM. in Backend, API & System Design →

Event-driven library for bidirectional real-time communication between browser and server; adds automatic reconnection… in Backend, API & System Design →

Payment infrastructure whose documentation is an industry benchmark — test cards, webhook retry logic and idempotency… in Backend, API & System Design →

An OpenAPI toolset to design, document and try RESTful APIs. in Backend, API & System Design →

Realtime database, auth, storage and hosting in one package. in Databases →

Document-oriented NoSQL database that stores data in flexible JSON-like (BSON) documents rather than rigid relational… in Databases →

A backend shipping as one Go file, providing SQLite, auth and a real-time API. in Databases →

An open-source Firebase alternative adding auth, APIs and storage on top of Postgres. in Databases →

An in-memory data structure store, used on the AI side for session state, rate-limit counters and response caching. in AI · RAG, Embeddings & Vectors →

Retains messages after consumption, with consumers carrying their own offsets so they can replay history. in Data Engineering →

Records workflow state as an event history, so a crashed process resumes at the same point. in DevOps & Infrastructure →

Keeps device state server-side as a digital twin. in Hardware, CAD & Embedded →

Issues single-use virtual cards with spend limits. in Privacy & Personal Security →

A list of engineering resources for payments, invoicing, pricing and accounting. in Finance, Markets & Crypto →

A short book by curl's author Daniel Stenberg explaining the HTTP/2 protocol, including headers, streams and server push. in Learning & Roadmaps →

A detailed step-by-step account of everything that happens when you type an address in a browser and press Enter (DNS, TCP, TLS, HTTP, rendering). in Learning & Roadmaps →

Short, implementation-focused guides on application security topics such as authentication, injection prevention and session management. in Cheat Sheets & Quick Reference →

A set of best practices for running a software project. in Cheat Sheets & Quick Reference →

Open-source hub indexing free developer tools, libraries, and design assets by category; ships with a searchable web… in Lists, Directories & Discovery →