Open source Postgres development platform bundling a database with auth, auto-generated APIs, realtime, storage, and edge functions.
FastAPI is a Python web framework for building APIs using standard type hints, with automatic OpenAPI and JSON Schema documentation.
Rust-native, event-driven engine for backtesting and live trading across multiple asset classes and venues, with Python strategy control.
TokenSpeed is an LLM inference engine built for agentic workloads, with a C++ scheduler control plane and Python execution plane.
Distributed event streaming platform for building high-throughput data pipelines and streaming applications.
Extensible HTTP/1-2-3 web server written in Go that obtains and renews TLS certificates automatically by default.
A full-stack TypeScript CMS built on Astro, with sandboxed plugins and Portable Text content storage.
Distributed file and object storage system that serves S3, POSIX file system, and Iceberg/Lance table access from one Go binary.
Static recompilation runtime libraries and analysis tools for translating PlayStation 3 binaries into native C/C++ executables.
Gin is a Go HTTP web framework with a Martini-like API built on httprouter for fast REST APIs and web services.
Ruby on Rails source code for Gumroad, an e-commerce platform that lets creators sell products directly to consumers.
Java framework for building distributed, long-running agents with an event stream, tool-call permissions, middleware, and sandboxed workspaces.
Scheduled task runner that automates recurring Bilibili daily activities across multiple accounts, with a web panel and console host.
A PHP application server built on the Caddy web server, with worker mode, HTTP/3, and automatic HTTPS.
Official source repository for NGINX Open Source, a high-performance web server, reverse proxy, load balancer, and content cache.
TypeScript library for building type-safe production applications with typed errors, dependency injection, structured concurrency, and schema validation.
Open source server powering lichess.org, a free, ad-free online chess platform with realtime games, analysis, and tournaments.
Free and open source distributed RESTful search and analytics engine built on Apache Lucene.
Typesense is an open-source, in-memory search engine with typo tolerance, faceting, geosearch, and vector search.
In-memory data structure store used as a cache, database, message broker, and vector/document query engine.
Open-source billing and webshop platform for hosting companies, handling subscriptions and customer services.
Open-source, self-hostable payments infrastructure in Rust that connects to many payment processors and offers routing, vault, and reconciliation modules.
CUDA C++ templates and Python DSLs for building high-performance GEMM and other linear algebra kernels on NVIDIA GPUs.
A distributed database for financial transactions, built around debit/credit primitives with a consensus-replicated storage engine.
A reference e-commerce web application built in .NET using a services-based architecture orchestrated with Aspire.
A PHP framework and set of reusable components for building web and console applications.
Ruby web application framework implementing MVC with ActiveRecord, ActionView, ActionController, and related libraries for database-backed apps.
Cross-platform .NET framework for building cloud-connected web, IoT, and mobile backend applications.
A PHP library for composing and sending email with SMTP, attachments, HTML bodies, and address validation.
Java-based video platform implementing GB28181, JT/T 808 and JT/T 1078 with a built-in web admin UI for managing camera and NVR streams.
Self-hostable web time-tracking application for timesheets, reports, invoices, and team management.
Source-available invoicing app for invoices, quotes, projects, expenses, and time tracking, built on Laravel and offered hosted or self-hosted.
Phoenix is a web framework for Elixir for building HTTP APIs, server-rendered apps, and realtime features.
Apache CouchDB is a document database with multi-primary replication and a JSON-over-HTTP API.
Enterprise low-code platform (Spring Boot and Vue3) that generates frontend, backend, and database code from natural-language prompts or a code generator.
Erlang programming language runtime and the OTP libraries and design principles for building fault-tolerant, soft real-time systems.
Federated, ad-free photo sharing social network built on ActivityPub and the Laravel PHP framework.
PHP logging library that sends logs to files, sockets, email, databases and web services via a PSR-3 compatible API.
Source for the .NET runtime, base class libraries, and the dotnet host installers across supported platforms.
Open-source Erlang server for XMPP chat, MQTT brokering, and SIP voice/video signaling, built for scale.
Self-hosted Git web platform written in Scala, offering repository hosting, issues, pull requests, and wiki.
Declarative Elixir framework for defining resources, actions, and policies that generate APIs, queries, and business logic.
Wally is a configurable 5-stage pipelined RISC-V processor written in SystemVerilog, supporting RVA22 and virtual memory.
Gas-optimized Solidity building blocks for smart contract development, including tokens, auth, math, and utility contracts.
Perl web framework with a built-in non-blocking HTTP/WebSocket server and client, plus MVC, routing, templates, and JSON/HTML parsing.
Opinionated framework for building production-ready, standalone Spring applications with minimal configuration.
A distributed file system from DeepSeek that uses SSDs and RDMA networks to serve storage for AI training and inference workloads.