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LDAP authentication server for developers. A lightweight LDAP server for development, home use, or CI.
Go-lang LDAP Authentication (GLAuth) is a secure, easy-to-use, LDAP server w/ configurable backends.
This site is dedicated to supporting PHP on Microsoft Windows. It also supports ports of PHP extensions or features as well as providing special builds for the various Windows architectures.
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a fast, memory-safe web server written in Rust.
A fast, memory-safe web server powered by Rust
Ferron is a web server optimized for speed, security, and efficiency. Written in Rust, it offers memory safety and performance, making it ideal for modern websites.
modern, secure, all-in-one mail server.
For sending and receiving email. With support for IMAP4, SMTP, SPF, DKIM, DMARC, MTA-STS, DANE and DNSSEC, reputation-based and content-based junk filtering, Internationalization (IDNA), automatic TLS with ACME and Let's Encrypt, account autoconfiguration, webmail.
Uvicorn is an ASGI web server implementation for Python.
Until recently Python has lacked a minimal low-level server/application interface for async frameworks. The ASGI specification fills this gap, and means we're now able to start building a common set of tooling usable across all async frameworks.
Uvicorn currently supports HTTP/1.1 and WebSockets.
Fast and lightweight DNS proxy as ad-blocker for local network with many features.
Blocky is a DNS proxy and ad-blocker for the local network written in Go.
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Kea includes all the most-requested features, is far newer, and is designed for a more modern network environment.
PHP Server with Async IO, Coroutines and Fibers (previously Swoole).
Light LDAP implementation
This project is a lightweight authentication server that provides an opinionated, simplified LDAP interface for authentication. It integrates with many backends, from KeyCloak to Authelia to Nextcloud and more!
It comes with a frontend that makes user management easy, and allows users to edit their own details or reset their password by email.
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A file server that supports static serving, uploading, searching, accessing control, webdav...
Source: Dufs - Le serveur de fichiers minimaliste qui simplifie tout @ Korben 
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A blazingly fast, single-file, and open-source server for your application with type-safe restful APIs, auth, admin dashboard, and more.
Universal Server API based on web platform standards. Works seamlessly with Deno, Bun and Node.js.
Cloud Native, Open Source, High-performance Messaging.
NATS provides an always-on messaging system, encompassing traditional pubsub with interest-based propagation, persistence with streaming replays, key/value storage and object storage. NATS provides a flexible set of powerful authentication and authorization access controls.
Limited DNS server with RESTful HTTP API to handle ACME DNS challenges easily and securely.
Many DNS servers do not provide an API to enable automation for the ACME DNS challenges. Those which do, give the keys way too much power. Leaving the keys laying around your random boxes is too often a requirement to have a meaningful process automation.
Acme-dns provides a simple API exclusively for TXT record updates and should be used with ACME magic "_acme-challenge" - subdomain CNAME records. This way, in the unfortunate exposure of API keys, the effects are limited to the subdomain TXT record in question.
The next generation Web development environment
Install your PHP/Node.js Web development environment in just 3 minutes, with no dependencies and non-intrusive. It includes web server, databases, email, DNS & common tools — everything you need for development.
Redis re-implemented with SQLite.
Redka aims to reimplement the good parts of Redis with SQLite, while remaining compatible with Redis API.
A distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol.
Kvrocks intends to decrease the cost of memory and increase the capacity while compared to Redis. The design of replication and storage was inspired by rocksplicator and blackwidow.
Modernize your mail server. Secure & Modern All-in-One Mail Server (IMAP, JMAP, SMTP).
Self-hosting your mail server has been notoriously difficult. Not anymore! Stalwart is a scalable, secure and robust open-source mail server software designed for the 21st century.
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The Faster Redis Alternative. A Multithreaded Fork of Redis.
KeyDB is a fully open source database, backed by Snap, and a faster drop in alternative to Redis.
KeyDB is a high performance fork of Redis with a focus on multithreading, memory efficiency, and high throughput. In addition to performance improvements, KeyDB offers features such as Active Replication, FLASH Storage and Subkey Expires. KeyDB has a MVCC architecture that allows you to execute queries such as KEYS and SCAN without blocking the database and degrading performance.
- [KeyDB @ GitHub](http://The Faster Redis Alternative).
email & SMTP testing tool with API for developers.
Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers. It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.