redis / redis
In-memory data structure store used as a cache, database, message broker, and vector/document query engine.
redis / redis
rmyndharis / OpenWA
Self-hosted WhatsApp API gateway that exposes WhatsApp sessions, messaging, and webhooks over a REST API with a web dashboard.
spring-projects / spring-boot
Opinionated framework for building production-ready, standalone Spring applications with minimal configuration.
apache / kafka
Distributed event streaming platform for building high-throughput data pipelines and streaming applications.
YunaiV / ruoyi-vue-pro
Chinese-language full-stack admin platform (Spring Boot + Vue) with RBAC, multi-tenancy, workflow, payments, mall, CRM/ERP modules, and WeChat mini-program support.
Paymenter / Paymenter
Open-source billing and webshop platform for hosting companies, handling subscriptions and customer services.
bitwarden / server
Backend APIs, SQL Server database, and Docker deployment tooling for the Bitwarden password manager clients.
caddyserver / caddy
Extensible HTTP/1-2-3 web server written in Go that obtains and renews TLS certificates automatically by default.
PaperMC / Folia
Fork of Paper, the Minecraft server, that ticks independent chunk regions in parallel on a thread pool.
antiwork / gumroad
Ruby on Rails source code for Gumroad, an e-commerce platform that lets creators sell products directly to consumers.
sp00nznet / ps3recomp
Static recompilation runtime libraries and analysis tools for translating PlayStation 3 binaries into native C/C++ executables.
emdash-cms / emdash
A full-stack TypeScript CMS built on Astro, with sandboxed plugins and Portable Text content storage.
elastic / elasticsearch
Free and open source distributed RESTful search and analytics engine built on Apache Lucene.
lionsoul2014 / ip2region
Offline IP-to-region lookup library and data management framework supporting IPv4 and IPv6 with xdb query clients.
apache / spark
Unified analytics engine for large-scale data processing with APIs in Scala, Java, Python, and R.
php / php-src
The reference C implementation of the PHP general-purpose scripting language and its interpreter, CLI, and bundled extensions.
mastodon / mastodon
Self-hosted, federated social network server implementing ActivityPub for publishing posts, media, and following users across servers.
jeecgboot / JeecgBoot
Enterprise low-code platform (Spring Boot and Vue3) that generates frontend, backend, and database code from natural-language prompts or a code generator.
seaweedfs / seaweedfs
Distributed file and object storage system that serves S3, POSIX file system, and Iceberg/Lance table access from one Go binary.
lichess-org / lila
Open source server powering lichess.org, a free, ad-free online chess platform with realtime games, analysis, and tournaments.
emqx / emqx
Scalable MQTT broker and IoT messaging platform supporting MQTT 5.0, CoAP, LwM2M, and MQTT over QUIC, with a SQL rule engine and data bridges.
juspay / hyperswitch
Open-source, self-hostable payments infrastructure in Rust that connects to many payment processors and offers routing, vault, and reconciliation modules.
RayWangQvQ / BiliBiliToolPro
Scheduled task runner that automates recurring Bilibili daily activities across multiple accounts, with a web panel and console host.
Effect-TS / effect
TypeScript library for building type-safe production applications with typed errors, dependency injection, structured concurrency, and schema validation.
DataTalksClub / machine-learning-zoomcamp
A free, cohort-based course teaching ML engineering: training models, exposing them via APIs, and deploying with Docker, Kubernetes, and AWS Lambda.
typesense / typesense
Typesense is an open-source, in-memory search engine with typo tolerance, faceting, geosearch, and vector search.
hydra-db / hydradb
Distributed graph database in Rust that stores its data durably on S3-compatible object storage and serves OpenCypher over Bolt and HTTP.
firebase / firebase-ios-sdk
Source for Firebase's open-source Apple platform libraries, covering auth, Firestore, messaging, storage, and more for iOS and macOS apps.