RxDB is a realtime Database for the Web. It is reactive data-handling based on RxJS. It helps App to work even without internet. It supports Mango-Query, Encryption, Import/Export of database and lot more.

RxDB - A realtime Database for the Web

Redpanda is a streaming platform for mission critical workloads. It is Kafka API compatible so any client that works with Kafka should work out of the box with Redpanda. It does not have dependency on ZooKeeper, JVM. Redpanda is a new storage engine, optimized for streaming data, using a thread-per-core architecture focused on delivering stable tail-latencies. It transforms data inline with embedded WASM engine. 
 
Its features include:
<ul>
<li>Kafka API compatible&nbsp;</li>
<li>Up to 4x faster Kafka transactions</li>
<li>Automatic data and load rebalancing</li>
<li>Automatic hardware optimization</li>
<li>Unlimited partitions for extreme flexibility &nbsp; &nbsp;</li>
<li>Built-in HTTP support &nbsp; &nbsp;</li>
<li>Support for favorite Kafka tooling &nbsp; &nbsp;</li>
<li>Built-in Prometheus support &nbsp; &nbsp;</li>
<li>Native K8s operator</li>
<li>Automatic leadership rebalancing &nbsp; &nbsp;</li>
<li>TLS encryption in flight</li>
<li>Unlimited horizontal scaling &nbsp; &nbsp;</li>
</ul>

Redpanda is a streaming platform for mission critical workloads. It is Kafka API compatible so any client that works with Kafka should work out of the box with Redpanda. It does not have dependency on ZooKeeper, JVM. Redpanda is a new storage engine, optimized for streaming data, using a thread-per-core architecture focused on delivering stable tail-latencies. It transforms data inline with embedded WASM engine. 

Redpanda - A Kafka API compatible streaming platform for mission-critical workloads

GUN is a realtime, distributed, offline-first, graph database engine. Lightweight and powerful. GUN does state synchronization out of the box. It is peer-to-peer by design, meaning you have no centralized database server to maintain. It has offline support, works even without internet. Users can save data offline and when when the network comes back online GUN will automatically synchronize the data. 
 
GUN is a data­base en­gine that runs every­where JavaScript does — browsers, mo­bile de­vices and servers, al­low­ing you to build ex­act­ly the data sys­tem you want. GUN's se­cu­ri­ty mod­ule is built on strong en­cryp­tion stan­dards and works com­plete­ly de­cen­tral­ized. In oth­er words — real pri­va­cy with no sin­gle point of fail­ure.

GUN is a realtime, distributed, offline-first, graph database engine. Lightweight and powerful. GUN does state synchronization out of the box.  It is peer-to-peer by design, meaning you have no centralized database server to maintain. It has offline support, works even without internet. Users can save data offline and when when the network comes back online GUN will automatically synchronize the data. 

GUN - A realtime, decentralized, offline-first, graph database engine

An AngularJS 1.x WebSocket service for connecting client applications to servers.This type is returned from the send() instance method of $websocket, inherits from $q.defer().promise.

Angular Websocket - The missing Angular WebSocket module for connecting client applications to servers by @AngularClass

Reactivemaps is a React based components library for building realtime maps. It is built on top of the appbase.io realtime DB service and ships with 20+ components for Lists, Dropdowns, Numeric Range, Sliders, Data Search, Places Search, Distance Slider and Dropdowns, Calendars, Feeds and Maps.

Reactivemaps - A data aware UI components library for building realtime maps

The Sanity Studio is an open-source CMS built with React.js. It offers rapid configuration and free form customization. It ships as an open-source single page application. Install plugins from npm or build your own. Integrate Sanity in your applications. It provides instant updates, describe content models, validations, and UI structures in JavaScript and see them instantly hot-reload in the next window.
 
It supports efficient workflows for editing, organizing, and enhancing your content. Sanity was built for real-time from the ground up. The real-time capabilities not only gives you very fine-grained keystroke level audit logs. It also means that there’s no locking and that multiple people can work on the same document at once.

The Sanity Studio is an open-source CMS built with React.js. It offers rapid configuration and free form customization. It ships as an open-source single page application. Install plugins from npm or build your own. Integrate Sanity in your applications. It provides instant updates, describe content models, validations, and UI structures in JavaScript and see them instantly hot-reload in the next window.

The Sanity Content Studio – Collaborate in real-time on structured content

Process Hacker is a free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. 
<ul><li>A detailed overview of system activity with highlighting.</li><li>Graphs and statistics allow you quickly to track down resource hogs and runaway processes.</li><li>Can't edit or delete a file? Discover which processes are using that file.</li><li>See what programs have active network connections, and close them if necessary.</li><li>Get real-time information on disk access.</li><li>View detailed stack traces with kernel-mode, WOW64 and .NET support.</li><li>Go beyond services.msc: create, edit and control services.</li><li>Small, portable and no installation required.</li></ul>

Process Hacker is a free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. 

Process Hacker - A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware

The soketi server is built on top of uWebSockets.js - a C application ported to Node.js. uWebSockets.js is demonstrated to perform at levels 8.5x that of Fastify and at least 10x that of Socket.IO. It implements the Pusher Protocol v7. Therefore, any Pusher-maintained or compatible client can connect to it, bringing a plug-and-play experience for existing applications that are already compatible with this protocol.

Soketi - Just another simple, fast, and resilient open-source WebSockets server

Supabase is an open source Firebase alternative. Create a backend in less than 2 minutes. Start your project with a Postgres Database, Authentication, Instant APIs, Realtime subscriptions, Edge functions, Storage and Vector embeddings.
<ul>
<li>Every project is a full Postgres database, the world's most trusted relational database</li>
<li class="p">Add user sign ups and logins, securing your data with Row Level Security</li>
<li class="p">Store, organize, and serve large files. Any media, including videos and images</li>
<li class="p">Write custom code without deploying or scaling servers</li>
<li class="p">Create multiplayer experiences by sharing, broadcasting, and listening to changes from other clients or the Database</li>
<li class="p">Integrate your favorite ML-models to store, index and search vector embeddings</li>
</ul>
&nbsp;

Supabase is an open source Firebase alternative. We're building the features of Firebase using enterprise-grade open source tools. Create a backend in less than 2 minutes. Start your project with a Postgres Database, Authentication, instant APIs, and realtime subscriptions.Store, organize, and serve large files. Any media, including videos and images.

Supabase - The Open Source Firebase Alternative

LuMongo is a real-time distributed search and storage system based on Lucene. LuMongo is designed from the ground up to scale both vertically and horizontally across servers. LuMongo stores Lucene indexes directly into MongoDB. Documents can be stored natively into MongoDB. When stored natively document can be queried as normal out of MongoDB and use of Map-Reduce and the Aggregation Framework is possible.

LuMongo - Realtime Time Distributed Search

Resgate is a Go project implementing a realtime API gateway for the RES protocol with NATS server as messaging system. It is a simple server that lets you create REST, real time, and RPC APIs, where all your clients are synchronized seamlessly.
 
Resgate handles all API requests from your clients, instead of directly exposing your micro-services (represented by Node.js and Java below). Clients will connect to Resgate, using either HTTP or WebSocket, to make requests. These requests are sent to the micro-services over NATS server, and Resgate will keep track on which resource each client has requested. Whenever there is a change to the data, the responsible micro-service sends an event. Resgate will use this event to both update its own cache, and make sure each subscribing client is kept up-to-date.

Resgate is a Go project implementing a realtime API gateway for the RES protocol with NATS server as messaging system. It is a simple server that lets you create REST, real time, and RPC APIs, where all your clients are synchronized seamlessly.



Resgate - A Realtime API Gateway used with NATS to build REST, real time, and RPC APIs, where all your clients are synchronized seamlessly. 

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