Sample Android Components Architecture on a modular word focused on the scalability, testability and maintainability written in Kotlin, following best practices using Jetpack. The goal of the project is to demonstrate best practices, provide a set of guidelines, and present modern Android application architecture that is modular, scalable, maintainable and testable. This application may look simple, but it has all of these small details that will set the rock-solid foundation of the larger app suitable for bigger teams and long application lifecycle management.

Android Components Architecture in a Modular Word

ClickHouse is a fast open-source OLAP database management system. It is column-oriented and allows to generate analytical reports using SQL queries in real-time. Large queries are parallelized using multiple cores, taking all the necessary resources available on the current server. It supports distributed processing, data can reside on different shards. Each shard can be a group of replicas used for fault tolerance. All shards are used to run a query in parallel, transparently for the user.
 
ClickHouse implements user account management using SQL queries and allows for role-based access control configuration similar to what can be found in ANSI SQL standard and popular relational database management systems. It uses asynchronous multi-master replication. After being written to any available replica, all the remaining replicas retrieve their copy in the background. It adaptively chooses how to JOIN multiple tables, by preferring hash-join algorithm and falling back to the merge-join algorithm if there’s more than one large table.

ClickHouse is a fast open-source OLAP database management system. It is column-oriented and allows to generate analytical reports using SQL queries in real-time. Large queries are parallelized using multiple cores, taking all the necessary resources available on the current server. It supports distributed processing, data can reside on different shards. Each shard can be a group of replicas used for fault tolerance. All shards are used to run a query in parallel, transparently for the user.

ClickHouse - Column-oriented database management system that allows generating analytical data reports in real time

Armeria is your go-to microservice framework for any situation. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard. Armeria is capable of running services using different protocols, all on a single port. No need for any proxies or sidecars.
 
Armeria's documentation service allows you to browse the complete list of services and their documentation from a web browser. It provides various service discovery mechanisms, from Kubernetes-style DNS records to ZooKeeper data nodes.
 
Armeria is from the creator of <a href="https://netty.io/">Netty</a>&nbsp;and his colleagues at <a href="https://engineering.linecorp.com/en/">LINE</a>

Armeria is your go-to microservice framework for any situation. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard. Armeria is capable of running services using different protocols, all on a single port. No need for any proxies or sidecars.

Armeria - Build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard

Kafka UI is a UI for Apache Kafka to monitor and manage Apache Kafka clusters. It is a simple tool that makes your data flows observable, helps find and troubleshoot issues faster and deliver optimal performance. Its lightweight dashboard makes it easy to track key metrics of your Kafka clusters - Brokers, Topics, Partitions, Production, and Consumption. 
Its features include: 
<ul>
<li>Multi-Cluster Management — monitor and manage all your clusters in one place</li>
<li>Performance Monitoring with Metrics Dashboard — track key Kafka metrics with a lightweight dashboard</li>
<li>View Kafka Brokers — view topic and partition assignments, controller status</li>
<li>View Kafka Topics — view partition count, replication status, and custom configuration</li>
<li>View Consumer Groups — view per-partition parked offsets, combined and per-partition lag</li>
<li>Browse Messages — browse messages with JSON, plain text, and Avro encoding</li>
<li>Dynamic Topic Configuration — create and configure new topics with dynamic configuration</li>
<li>Configurable Authentification — secure your installation with optional Github/Gitlab/Google OAuth 2.0</li>
</ul>

Kafka UI is a UI for Apache Kafka to monitor and manage Apache Kafka clusters. It is a simple tool that makes your data flows observable, helps find and troubleshoot issues faster and deliver optimal performance. Its lightweight dashboard makes it easy to track key metrics of your Kafka clusters - Brokers, Topics, Partitions, Production, and Consumption.

Kafka UI - Open-Source Web UI for Apache Kafka Management

Trigger.dev is an open source framework for creating long-running Jobs directly in your app with API Integrations, webhooks, scheduling and delays. You can reliably run Jobs that wouldn&rsquo;t normally work in serverless environments because of timeouts.
Trigger.dev is a platform, SDK and API for building and running Jobs in your codebase, triggered by various sources, but without having to worry about managing any complicated orchestration infrastructure. It can help to build event-driven architectures without having to manage any complicated orchestration infrastructure. It provides out-of-the-box Integrations with popular services such as <a href="https://trigger.dev/docs/integrations/apis/slack" target="_blank" rel="noopener">Slack</a>, <a href="https://trigger.dev/docs/integrations/apis/openai" target="_blank" rel="noopener">OpenAI</a>, <a href="https://trigger.dev/docs/integrations/apis/github" target="_blank" rel="noopener">GitHub</a> and <a href="https://trigger.dev/docs/integrations" target="_blank" rel="noopener">more</a>, which vastly simplifies the process interacting with 3rd-party services.
It has few limitations, Currently Trigger.dev is optimized for deployment to serverless functions, but not for long-running servers. It is not well suited for compute intensive jobs as each individual task.&nbsp;

Trigger.dev is the open source background jobs framework for TypeScript. With features like API integrations, webhooks, scheduling and delays. 

Trigger.dev - Background Jobs Framework 

ORY Hydra is a hardened, OpenID Certified OAuth 2.0 Server and OpenID Connect Provider optimized for low-latency, high throughput, and low resource consumption. ORY Hydra is not an identity provider (user sign up, user login, password reset flow), but connects to your existing identity provider through a login and consent app. Implementing the login and consent app in a different language is easy, and exemplary consent apps (Go, Node) and SDKs are provided.

ORY Hydra - OpenID Connect and OAuth Provider written in Go

Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Home Assistant integrates with over a thousand different devices and services. Once started, Home Assistant will automatically scan your network for known devices and allow you to easily set them up. 
 
Home Assistant keeps your data local, no need for a cloud. Home Assistant allows you to get on top of your energy use with its home energy management feature. Gain new insights, optimize your solar panel production, plan energy usage and save money.

Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server.  Home Assistant integrates with over a thousand different devices and services.  Once started, Home Assistant will automatically scan your network for known devices and allow you to easily set them up. 

Home Assistant - Home Automation that puts local control and privacy first

Gorgonia is a library that helps facilitate machine learning in Go. Write and evaluate mathematical equations involving multidimensional arrays easily. If this sounds like Theano or TensorFlow, it's because the idea is quite similar. Specifically, the library is pretty low-level, like Theano, but has higher goals like Tensorflow.
 
Gorgonia can perform automatic differentiation, symbolic differentiation, gradient descent optimizations, numerical stabilization, distributed computing. 
 
The primary goal for Gorgonia is to be a highly performant machine learning/graph computation-based library that can scale across multiple machines. It should bring the appeal of Go (simple compilation and deployment process) to the ML world. It's a long way from there currently, however, the baby steps are already there.

Gorgonia is a library that helps facilitate machine learning in Go. Write and evaluate mathematical equations involving multidimensional arrays easily. If this sounds like Theano or TensorFlow, it's because the idea is quite similar. Specifically, the library is pretty low-level, like Theano, but has higher goals like Tensorflow.



Gorgonia - Library that helps facilitate machine learning in Go

Manage Firestore data in a spreadsheet-like UI, write Cloud Functions effortlessly in the browser, and connect to your favorite third party platforms such as SendGrid, Twilio, Algolia, Slack and more. It supports CRUD operations, Sort and filter by row values, Lock, Freeze, Resize, Hide and Rename columns, Multiple views for the same collection, Bulk import or export data - csv, json.

Rowy - Open-source Airtable-like experience for your database (Firestore) with GCP's scalability

Hyperswitch is an open source payments switch to make payments fast, reliable, and, affordable. It lets you connect with multiple payment processors and route traffic effortlessly, all with a single API integration.
Hyperswitch reduces the dependency on a single processor like Stripe or Braintree. It actually supports more than 50+ payment processors and multiple global payment methods. It unifies the payment processing and reduces the dev effort. It has high success rate and it reduces the processing fees using smart routing. Most importantly it mproves success rates by handling failover and auto-retries.
Hyperswitch hosted version has PCI, GDPR, Card Vault complaince. If we need to use the open source version then we need to take this compliance.&nbsp;&nbsp;

Hyperswitch is an open source payments switch to make payments fast, reliable, and, affordable. It lets you connect with multiple payment processors and route traffic effortlessly, all with a single API integration.

Hyperswitch - Open-source Payments Switch

Litmus is a toolset to do cloud-native chaos engineering. Litmus provides tools to orchestrate chaos on Kubernetes to help SREs find weaknesses in their deployments. SREs use Litmus to run chaos experiments initially in the staging environment and eventually in production to find bugs, vulnerabilities. Fixing the weaknesses leads to increased resilience of the system.
 
Chaos experiments are hosted on hub.litmuschaos.io. It is a central hub where the application developers or vendors share their chaos experiments so that their users can use them to increase the resilience of the applications in production.

Litmus is a toolset to do cloud-native chaos engineering. Litmus provides tools to orchestrate chaos on Kubernetes to help SREs find weaknesses in their deployments. SREs use Litmus to run chaos experiments initially in the staging environment and eventually in production to find bugs, vulnerabilities. Fixing the weaknesses leads to increased resilience of the system.

Litmus - Cloud-Native Chaos Engineering

CRI-O is an OCI-based implementation of Kubernetes Container Runtime Interface. CRI-O is meant to provide an integration path between OCI conformant runtimes and the kubelet. Specifically, it implements the Kubelet Container Runtime Interface (CRI) using OCI conformant runtimes. The scope of CRI-O is tied to the scope of the CRI.

CRI-O - OCI-based implementation of Kubernetes Container Runtime Interface

Azkaban is a batch workflow job scheduler created at LinkedIn to run Hadoop jobs. Azkaban resolves the ordering through job dependencies and provides an easy to use web user interface to maintain and track your workflows. Azkaban was designed primarily with usability in mind. It has been running at LinkedIn for several years, and drives many of their Hadoop and data warehouse processes.
 
Its features include: 
<ul><li><li>Compatible with any version of Hadoop</li><li>Easy to use web UI</li><li>Simple web and http workflow uploads</li><li>Project workspaces</li><li>Scheduling of workflows</li><li>Modular and pluginable</li><li>Authentication and Authorization</li><li>Tracking of user actions</li><li>Email alerts on failure and successes</li><li>SLA alerting and auto killing</li><li>Retrying of failed jobs</li></li></ul>

Azkaban is a batch workflow job scheduler created at LinkedIn to run Hadoop jobs. Azkaban resolves the ordering through job dependencies and provides an easy to use web user interface to maintain and track your workflows. Azkaban was designed primarily with usability in mind. It has been running at LinkedIn for several years, and drives many of their Hadoop and data warehouse processes.

Azkaban - Batch workflow job scheduler created at LinkedIn to run Hadoop jobs

A WhatsApp API client that connects through the WhatsApp Web browser app. It uses Puppeteer to run a real instance of Whatsapp Web to avoid getting blocked.



whatsapp-web.js - A WhatsApp client library for NodeJS that connects through the WhatsApp Web browser app

With watchtower you can update the running version of your containerized app simply by pushing a new image to the Docker Hub or your own image registry. Watchtower will pull down your new image, gracefully shut down your existing container and restart it with the same options that were used when it was deployed initially. 

Watchtower - A process for automating Docker container base image updates

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