Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes.
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A modularized collection of Packer definitions for building machine images. A good place to start with Packer.
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A cookbook source structure manager for Chef, similar to Bundler for Ruby. Each Chef cookbook can be structured as an individual entity and can be pulled into your main Chef workflows.
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Bolt is an open source commandline tool for executing commands, scripts, and orchestrated workflows on remote systems using SSH and WinRM
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Boxen automates the entire process of setting up a Mac development environment. It can clone your project, install toolchains, apply security policies, clone your dotfiles and much more.
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Monitor everything you're building.
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The Ruby equivalent of Fabric, Capistrano is a Ruby framework to configure and run deployment or system administration tasks on local or remote machines. It extends the Rake DSL to define tasks, and can group tasks by Roles.
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Configuration management tool which uses a pure-Ruby, domain-specific language (DSL) for writing system configuration recipes. Supports Linux, UNIX, Windows, and AIX as first-class citizens for management.
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Just Better Package Management. Manage your software dependencies and distribution with Enterprise-grade package management.
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Concourse is a CI system composed of simple tools and ideas. It can express entire pipelines, integrating with arbitrary resources, or it can be used to execute one-off tasks, either locally or in another CI system.
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ConfigCat is a feature flags as a service. It gives you a web based dashboard to manage your feature flags + SDKs to integrate those feature flags into your applications. ConfigCat enables you to use the same feature flags in your mobile apps, websites and server-side applications. It offers all features for free. You get an enterprise-ready SLA with the pricing plans.
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Consul makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. Register external services such as SaaS providers as well
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A cron job monitoring tool that keeps an eye on your crontab and notifies you when something doesn’t happen.
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A simple, rack-based deployment framework
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A generic integration tool built on a Message Queue, to make it easy to communicate events and triggers across various parts parts of the infrastructure. Created to ease the pain of configuring many disparate events in a CI
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Docker uses LXC to create and manage native, sandboxed virtual containers. LXC containers acts like a separate OSes, can install their own packages without affecting anything else, and overall have almost the same flexibility of VMs but without any of the virtualization overhead! Docker adds a ton of features, like an elegant configuration file that automates many things (like port forwarding, disk/directory mounting, networking, etc), a way to create and share readymade images that can be distributed as appliances, etc.
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An open source, self-hosted error catching tool, which can collect and manage errors from other applications. It is compatible with the Airbrake API and can be used as a drop-in replacement.
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Flexible operating-system event and metric forwarding agent. Receives input and forwards output using plugins.
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A package management tool, similar to Ivy/APT, but language agnostic, faster and works well with both executables and libraries.
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From the creator of Dokku, Flynn is a full fledged, open source PaaS platform built on top of Docker. You just push code with a Procfile, and that’s it, Flynn immediately picks it up, provisions a Docker container and deploys the latest code! Its tagged as “the product that ops gives to developers”
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The Ruby Cloud API library. Provides a Ruby API for interacting and managing many cloud providers, such as spinning up new instances, terminating old ones, attaching storage, etc. Currently supports more than 20 providers, including EC2, Rackspace, Brightbox, etc.
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A complete lifecycle management tool for servers, both self-hosted and in the cloud. It allows you to create and manage instances, build and deploy images, view and audit hosts, and much more! It works with Puppet or Chef, and has multiple interaction facilities like a web frontend, CLI and a RESTful API.
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Effing Package Managers (FPM) is a single tool that can generate rpm, deb, solaris, osx (pkg) and many other packages. It supports multiple inputs (directory, gem, egg, deb, etc) and can produce multiple outputs (rpm, deb, solaris, etc). It relieves the pain out of creating various kinds of packages.
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Gauntlt provides hooks to a variety of security tools and puts them within reach of security, dev and ops teams to collaborate to build rugged software. It is built to facilitate testing and communication between groups and create actionable tests that can be hooked into your deploy and testing processes.
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GitLab CI integrates with GitLab and runs continuous integration builds whenever you check in code to any of your projects.
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GitLab is an open-source, fully featured git web frontend developed using Ruby on Rails. You can host this in your own server, create projects, repositories and teams, manage fine grained access permissions, add wikis, collaborate, raise and merge pull requests, and do much more through the web! (Note: GitLab acquired Gitorious, another open source git management system, in March 2015)
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A self-hosted Git service written in Go. Gogs(Go Git Service) is a painless self-hosted Git Service written in Go. The goal of this project is to make the easiest, fastest and most painless way to set up a self-hosted Git service. With Go, this can be done in independent binary distribution across ALL platforms that Go supports, including Linux, Mac OS X, and Windows.
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Honeybadger is a hosted monitoring service that tracks errors happening in your applications, aggregates them, and notifies you about them based on rules you define. Honeybadger gives you the insight you need to diagnose and fix application errors, faster.
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InfluxDB is a time series, metrics, and analytics database. It’s written in Go and has no external dependencies. InfluxDB is targeted at use cases for DevOps, metrics, sensor data, and real-time analytics.
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Instrumental is a real-time, high-scale application and server monitoring tool with intelligent alerts, a powerful query language, and free development accounts.
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Kubernetes is a system for managing containerized applications across multiple hosts, providing basic mechanisms for deployment, maintenance, and scaling of applications
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LXD is a next generation system container manager. It offers a user experience similar to virtual machines but using Linux containers instead. It's image based with pre-made images available for a wide number of Linux distributions and is built around a very powerful, yet pretty simple, REST API.
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A Ruby Rake-like DSL for fast deployment and automation, similar to Capistrano but faster and lesser overhead, since it creates only a single SSH connection for a deploy
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Nagios Log Server greatly simplifies the process of searching your log data. Set up alerts to notify you when potential threats arise, or simply query your log data to quickly audit any system. With Nagios Log Server, you get all of your log data in one location, with high availability and fail-over built right in.
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Openshift is a container management platform built around a core of Docker container packaging and Kubernetes cluster management. Origin is the upstream community project that powers OpenShift.
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A model driven orchestration tool for deployment of application clusters
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Packer is a tool for creating identical machine images for multiple platforms (like VirtualBox, VMWare, EC2, DigitalOcean, etc) from a single configuration file.
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Prevoty enables DevOps to inject security into your web applications and web services. Protection is provided at runtime from within the application itself, and stays with the app regardless of deployment method (cloud, on-premises, etc). Applications are protected against threats including XSS, SQLi, CSRF, command injection, etc. Works with Puppet, Chef, Ansible, Docker, Splunk, QRadar, ELK, and many others.
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Prometheus is an open-source systems monitoring and alerting toolkit built at SoundCloud.
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Create, deploy, and manage Cloud Native infrastructure, as real code. A single toolset for infrastructure, managed services, containers, and serverless environments on any cloud infrastructure. You get all the benefits of real programming languages; IDEs, abstractions and reuse thanks to functions, classes, and packages, debugging, testability, and more
A web interface for Puppet. It can view and analyze Puppet reports, assign Puppet classes and parameters to nodes, view inventory data and backed-up file contents, etc.
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Puppet is a tool designed to manage the configuration of Unix-like and Microsoft Windows systems declaratively.
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Raygun keeps a watchful eye on your web and mobile applications and tells you when problems arise.
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Razor is next generation provisioning software that handles bare metal hardware and virtual server provisioning
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Detect, diagnose and defeat errors.
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Semaphore is a hosted continuous integration and deployment service for open source and private projects. Its cloud solution helps developers find bugs before they reach users and deliver new features faster.
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Sensu is a simple, malleable and scalable monitoring framework which is highly composable
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Automate error tracking to find and fix issues before your users even experience a crash. Sentry is open-source, real-time, and loved by 100,000 developers around the world.
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Serf is a service discovery and orchestration tool which is highly decentralized, highly available, fault tolerant, cross platform and extremely lightweight.
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SignalFx is an advanced monitoring and alerting solution for modern infrastructure. With SignalFx, development and operations teams monitor, analyze, and alert in real-time on any time series data.
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Terraform provides a common configuration to launch infrastructure from different providers (AWS, Digital Ocean, Heroku, etc.). It provides dependency resolution to make sure that your infrastructure is created in the right order
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tsuru is an extensible and open source Platform as a Service (PaaS) that makes application deployments faster and easier. Its built upon Docker and allows you easily manage and scale your applications.
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Vagrant is a cross platform tool to create, boot, configure and destroy development environments. It provides a simple configuration-based approach to take a base image, boot it up, provision it (using any other provisioners), SSH, port forward, and much more. It automates the process of booting up and configuring virtual machines. It supports various providers like VirtualBox, VMWare, AWS, LXC, etc.
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Weave creates a virtual network that connects Docker containers deployed across multiple hosts. Services provided by application containers on the weave network can be made accessible to the outside world, regardless of where those containers are running. Similarly, existing internal systems can be exposed to application containers irrespective of their location.
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werf is CI/CD tool for building Docker images and delivering them to Kubernetes using a GitOps approach. It integrates with any existing CI systems including GitLab CI, GitHub Actions, etc.
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