100 Best Apps for DevOps Engineers
DevOps work spans source control, delivery, infrastructure, observability, security, and incident response. These first 25 tools cover many of the foundations teams use to operate software reliably.
GitHub
GitHub hosts Git repositories and provides pull requests, issue tracking, automation, and collaboration tools. It helps teams coordinate code changes by centralizing reviews, discussions, branch management, and project work.
GitLab
GitLab provides a DevSecOps platform combining source code management, CI/CD, security scanning, and planning. It reduces tool fragmentation by bringing code, pipelines, security checks, and deployment workflows together.
Jenkins
Jenkins is an automation server that runs customizable continuous integration and continuous delivery pipelines. It helps engineers automate repetitive build, test, and deployment tasks across varied development environments.
CircleCI
CircleCI runs cloud-based or self-hosted pipelines for building, testing, and deploying software changes. It shortens manual release processes by executing defined workflows whenever teams update their code.
Argo CD
Argo CD continuously deploys Kubernetes applications by synchronizing clusters with declarative Git repository configurations. It helps teams prevent configuration drift by using version-controlled desired state for cluster deployments.
Kubernetes
Kubernetes orchestrates containerized workloads, handling scheduling, scaling, service discovery, and workload recovery. It helps operators manage distributed applications without manually placing and restarting individual containers.
Docker
Docker packages applications and dependencies into portable containers that run consistently across computing environments. It reduces environment inconsistency by giving developers and operators a shared application packaging format.
Terraform
Terraform defines and provisions cloud and infrastructure resources through versioned infrastructure-as-code configuration files. It replaces error-prone manual infrastructure changes with repeatable, reviewable, and reusable resource definitions.
Ansible
Ansible automates configuration management, application deployment, orchestration, and administrative tasks using playbooks. It helps teams configure many systems consistently instead of repeating commands on individual servers.
Helm
Helm packages Kubernetes application manifests into reusable charts with configurable deployment values. It simplifies complex Kubernetes releases by organizing related resources and environment-specific settings together.
Prometheus
Prometheus collects time-series metrics, evaluates alerting rules, and supports querying monitored service behavior. It helps engineers detect performance and availability issues through structured metrics and threshold-based alerts.
Grafana
Grafana creates dashboards and visualizations from metrics, logs, traces, and other connected data sources. It helps teams understand system health by presenting operational data in shared, readable dashboards.
Datadog
Datadog provides cloud monitoring, observability, log management, alerting, and application performance monitoring capabilities. It helps teams investigate incidents by connecting infrastructure signals, application telemetry, and logs in one platform.
New Relic
New Relic offers observability tools for monitoring applications, infrastructure, logs, browser experiences, and distributed traces. It helps engineers locate service bottlenecks by correlating performance data across application components.
Sentry
Sentry captures application errors and performance data, grouping issues with contextual debugging information. It helps developers prioritize production bugs by showing affected releases, stack traces, and error frequency.
PagerDuty
PagerDuty routes operational alerts to responders and supports incident escalation, coordination, and on-call scheduling. It helps teams avoid missed critical alerts by notifying the appropriate responder through escalation policies.
Splunk
Splunk collects, indexes, searches, and analyzes machine data, logs, and operational security events. It helps teams investigate scattered operational evidence by making large volumes of log data searchable.
Elastic Observability
Elastic Observability analyzes logs, metrics, traces, uptime data, and application performance telemetry. It helps operators troubleshoot cross-service problems by searching correlated telemetry from distributed systems.
HashiCorp Vault
HashiCorp Vault centrally manages secrets, encryption keys, credentials, and controlled access to sensitive data. It helps teams stop hardcoding credentials by delivering secrets through audited, policy-based access controls.
SonarQube
SonarQube inspects source code for bugs, vulnerabilities, code smells, and quality rule violations. It helps engineering teams catch maintainability and security issues before problematic code reaches production.
Snyk
Snyk identifies vulnerabilities in open-source dependencies, containers, infrastructure code, and application code. It helps teams address software supply chain risks by identifying vulnerable components in development workflows.
Trivy
Trivy scans container images, filesystems, repositories, and infrastructure code for known security vulnerabilities. It helps teams find risky dependencies and misconfigurations early without relying on manual security reviews.
Postman
Postman lets teams design, test, document, and share API requests and automated API checks. It helps developers validate API behavior consistently instead of manually rebuilding requests across environments.
Backstage
Backstage is an open-source developer portal for organizing services, documentation, tools, and ownership metadata. It helps teams find service information and internal tools without navigating scattered repositories and documents.
OpenTelemetry
OpenTelemetry provides open standards and tools for generating, collecting, and exporting telemetry from software. It helps teams standardize instrumentation across services rather than maintaining vendor-specific telemetry implementations.
Bitbucket
Bitbucket hosts Git repositories and supports pull requests, code review, and CI/CD pipelines. It helps teams reduce fragmented code collaboration by keeping repository discussions and pipeline configuration together.
Azure DevOps
Azure DevOps provides repositories, work tracking, build pipelines, test management, and release tooling. It addresses disconnected planning and delivery workflows by linking work items, code changes, and deployments.
TeamCity
TeamCity is a continuous integration server that automates builds, tests, and deployment pipelines. It reduces manual build coordination by running repeatable jobs whenever code changes are submitted.
Buildkite
Buildkite orchestrates CI/CD pipelines while allowing build agents to run within your own infrastructure. It helps organizations retain infrastructure control while coordinating builds across distributed worker machines.
Travis CI
Travis CI runs automated builds and tests for software projects connected to source repositories. It solves inconsistent pre-merge validation by automatically testing changes before they reach production branches.
Spinnaker
Spinnaker is a continuous delivery platform for managing application deployments across cloud environments. It reduces risky manual releases by defining repeatable deployment stages, approvals, and rollback processes.
Flux CD
Flux CD continuously reconciles Kubernetes clusters with application and infrastructure configuration stored in Git. It addresses configuration drift by automatically applying declared Git changes to target Kubernetes clusters.
Rancher
Rancher provides centralized management for Kubernetes clusters, users, policies, and application workloads. It helps operators manage multiple clusters without separately configuring access controls and cluster administration.
Red Hat OpenShift
Red Hat OpenShift is a Kubernetes platform for building, deploying, and operating containerized applications. It reduces Kubernetes operational complexity through integrated developer workflows, security controls, and platform services.
Amazon EKS
Amazon EKS is a managed Kubernetes service for running containerized workloads on AWS. It helps teams avoid managing Kubernetes control-plane infrastructure while deploying workloads within AWS environments.
Google Kubernetes Engine
Google Kubernetes Engine is a managed Kubernetes service for deploying and operating container applications. It reduces cluster administration effort by handling Kubernetes control-plane management and integrated cloud operations.
Azure Kubernetes Service
Azure Kubernetes Service provides managed Kubernetes clusters for deploying and scaling containerized applications. It solves control-plane maintenance burden by letting Azure manage core Kubernetes cluster components.
Pulumi
Pulumi lets teams define and provision cloud infrastructure using general-purpose programming languages. It helps developers reuse familiar language tooling when infrastructure definitions outgrow static configuration files.
Chef
Chef automates server configuration through code that defines desired system state and policies. It reduces server inconsistency by applying standardized configuration rules across fleets of machines.
Puppet
Puppet manages infrastructure configuration using declarative code, agents, and centralized policy enforcement. It addresses configuration drift by continuously enforcing intended settings across servers and operating systems.
Salt
Salt automates remote execution, configuration management, and event-driven operations across infrastructure systems. It helps operators perform repetitive fleet-wide tasks without logging into individual machines manually.
Packer
Packer builds consistent machine images for multiple platforms from a single configuration definition. It reduces environment variation by producing repeatable base images for servers and cloud instances.
Consul
Consul provides service discovery, health checking, configuration storage, and service-to-service networking capabilities. It solves unreliable service location by maintaining current records of healthy application instances.
Nagios
Nagios monitors infrastructure, services, and network resources and sends alerts when defined checks fail. It helps teams detect availability problems early by checking hosts and services on schedules.
Zabbix
Zabbix monitors networks, servers, applications, and cloud resources through metrics collection and alerting. It reduces blind spots across infrastructure by collecting operational signals into centralized monitoring views.
Loki
Loki aggregates logs with labels, enabling log querying alongside metrics in compatible observability tools. It helps engineers investigate incidents by associating log streams with infrastructure and application labels.
Jaeger
Jaeger collects and visualizes distributed traces to show requests moving through interconnected application services. It addresses hard-to-find latency sources by revealing where individual requests spend time across services.
Fluentd
Fluentd collects, transforms, and routes logs and events from applications and infrastructure systems. It reduces log pipeline complexity by sending differently formatted events to selected storage destinations.
Logstash
Logstash ingests, parses, enriches, and forwards logs and events through configurable data pipelines. It helps normalize scattered machine data before analysis by applying filters and structured transformations.
Opsgenie
Opsgenie manages on-call schedules, alert routing, escalations, and incident response notifications. It reduces missed critical alerts by routing notifications to responsible responders through escalation policies.
Bamboo
Bamboo is Atlassian’s continuous integration and delivery server for building, testing, and deploying software. It helps teams automate repeatable build and release steps that otherwise require manual coordination.
AWS CodePipeline
AWS CodePipeline orchestrates software release stages using AWS services and supported third-party tools. It reduces the effort of connecting source, build, test, and deployment workflows across AWS environments.
Codefresh
Codefresh provides continuous integration and delivery workflows designed around containers, Kubernetes, and GitOps practices. It helps engineers manage container-focused pipelines without assembling separate tooling for each delivery stage.
Harness
Harness provides a software delivery platform for continuous delivery, feature management, and engineering workflows. It helps teams standardize deployment processes and reduce repetitive release-management tasks across environments.
Octopus Deploy
Octopus Deploy automates application deployments, configuration variables, and release promotion across deployment targets. It addresses inconsistent manual releases by defining repeatable deployment processes for multiple environments.
Semaphore
Semaphore is a continuous integration and delivery platform for automating builds, tests, and deployments. It helps development teams shorten feedback cycles by running pipeline tasks automatically after code changes.
Drone
Drone is a container-native continuous integration platform that defines pipelines through configuration files. It helps teams create portable build automation without maintaining complex server-side pipeline definitions.
GoCD
GoCD is a continuous delivery server that models pipelines, dependencies, and deployment progression. It clarifies complex release dependencies, helping teams coordinate software delivery across interconnected services.
Tekton
Tekton is a Kubernetes-native framework for creating and running continuous integration and delivery pipelines. It helps platform teams run pipeline workloads consistently within clusters using Kubernetes resources.
Kustomize
Kustomize customizes Kubernetes manifest files through overlays and patches without requiring templates. It helps teams manage environment-specific configuration while keeping common Kubernetes manifests maintainable.
K9s
K9s is a terminal-based interface for viewing, navigating, and managing Kubernetes cluster resources. It speeds up cluster troubleshooting by making resource inspection available from a keyboard-driven terminal interface.
Lens
Lens is a Kubernetes desktop application for viewing cluster resources, workloads, logs, and configuration. It helps engineers inspect multiple clusters through a visual interface instead of repeated command-line queries.
Podman
Podman is a container engine for building, running, and managing containers without a daemon. It helps developers work with containers in environments where daemonless or rootless operation is preferred.
Nomad
Nomad is a workload orchestrator for deploying and managing containerized, virtualized, and standalone applications. It helps teams schedule diverse workloads across infrastructure without operating separate orchestration systems.
Crossplane
Crossplane extends Kubernetes to provision and manage cloud infrastructure through custom resource definitions. It helps platform teams offer self-service infrastructure using familiar Kubernetes-style APIs and policies.
AWS CloudFormation
AWS CloudFormation provisions and manages AWS resources from declarative templates and change sets. It reduces configuration drift by defining cloud infrastructure as version-controlled, repeatable templates.
Terragrunt
Terragrunt is a thin wrapper for Terraform that helps organize reusable infrastructure configurations. It helps teams reduce duplicated Terraform configuration across accounts, regions, and deployment environments.
Atlantis
Atlantis automates Terraform plans and applies through pull-request comments in version control. It makes infrastructure changes reviewable by bringing Terraform planning and approval into pull requests.
Checkov
Checkov scans infrastructure-as-code files for security and compliance misconfigurations before deployment. It helps engineers catch risky cloud and Kubernetes settings earlier in the development workflow.
Semgrep
Semgrep performs configurable static analysis to identify code patterns, bugs, and security issues. It helps teams detect organization-specific coding risks using rules tailored to their repositories.
OWASP Dependency-Check
OWASP Dependency-Check identifies known vulnerabilities in project dependencies using vulnerability data sources. It helps teams discover vulnerable libraries that may be overlooked during routine dependency updates.
Grype
Grype scans container images and filesystems to identify known vulnerabilities in installed packages. It helps engineers assess software artifact risk before images move into deployment environments.
Falco
Falco detects unexpected runtime behavior in Linux and Kubernetes environments using configurable rules. It helps security and operations teams spot suspicious activity after workloads begin running.
Sysdig
Sysdig provides cloud and container security, monitoring, and troubleshooting capabilities for runtime environments. It helps teams investigate container behavior by connecting operational visibility with security context.
Graylog
Graylog centralizes log collection, search, analysis, and alerting for infrastructure and applications. It helps operators investigate incidents by gathering distributed log data into a searchable location.
Honeycomb
Honeycomb provides observability tools for exploring high-cardinality event data and tracing distributed application behavior. It helps engineers investigate unpredictable production issues by connecting detailed events across complex service requests.
Dynatrace
Dynatrace delivers observability across applications, infrastructure, and user experience through telemetry analysis and monitoring. It helps teams reduce fragmented troubleshooting by relating performance signals across their technology environment.
AppDynamics
AppDynamics monitors application performance, business transactions, infrastructure components, and end-user digital experiences. It helps engineers locate slow or failing application transactions before they become prolonged customer problems.
SolarWinds Observability
SolarWinds Observability centralizes monitoring data for applications, infrastructure, databases, networks, and digital experiences. It helps operations teams diagnose cross-stack incidents without switching among separate monitoring tools.
AppSignal
AppSignal provides application performance monitoring, error tracking, metrics, logs, and host monitoring for web applications. It helps developers identify application errors and performance regressions from a consolidated operational view.
Netdata
Netdata monitors systems and applications in real time with metrics, dashboards, alerts, and anomaly detection. It helps engineers spot resource bottlenecks quickly when servers or services begin behaving unexpectedly.
UptimeRobot
UptimeRobot monitors websites, ports, SSL certificates, and other endpoints for availability and response time. It helps small teams learn about outages promptly instead of waiting for customers to report them.
Pingdom
Pingdom monitors website uptime, page performance, and synthetic user interactions from distributed test locations. It helps teams detect availability and user-experience problems affecting public-facing web services.
Statuspage
Statuspage lets organizations publish service status, incident updates, maintenance notices, and subscriber communications. It helps teams communicate outages consistently, reducing repetitive support requests during service disruptions.
Better Uptime
Better Uptime combines uptime monitoring, incident alerting, on-call scheduling, and public status pages. It helps lean operations teams organize outage response without manually coordinating alerts and communications.
incident.io
incident.io provides incident management workflows, communication tools, timelines, and follow-up action tracking. It helps responders coordinate clearly during incidents and preserve context for later reviews.
FireHydrant
FireHydrant provides incident management software for declaring incidents, coordinating response, and tracking remediation work. It helps engineering teams replace improvised incident procedures with repeatable response workflows.
Rootly
Rootly manages incident response through workflows, communication integrations, timelines, and post-incident follow-up tasks. It helps teams standardize emergency coordination when multiple responders must act under pressure.
Rundeck
Rundeck automates operational runbooks and lets teams execute controlled jobs across servers and cloud environments. It helps reduce risky manual operations by making routine remediation steps repeatable and auditable.
StackStorm
StackStorm is an event-driven automation platform that connects operational tools through rules, workflows, and actions. It helps teams automate recurring responses when monitoring alerts or infrastructure events occur.
n8n
n8n is a workflow automation platform for connecting APIs, services, data sources, and custom code. It helps teams eliminate repetitive cross-tool tasks that otherwise require manual handoffs or scripts.
JFrog Artifactory
JFrog Artifactory stores, manages, and distributes software packages, build artifacts, and container images. It helps development teams control artifact access and reuse dependencies across build and release workflows.
Sonatype Nexus Repository
Sonatype Nexus Repository manages binary components, packages, container images, and proxy repositories for development teams. It helps teams avoid unreliable dependency retrieval by maintaining a controlled internal artifact source.
Harbor
Harbor is a container registry that provides image storage, access controls, replication, and vulnerability scanning integrations. It helps platform teams govern container image distribution across projects and deployment environments.
Renovate
Renovate automatically creates dependency update pull requests using configurable schedules, rules, and package manager support. It helps developers keep dependencies current without manually tracking upstream version releases.
Dependabot
Dependabot creates pull requests to update project dependencies and can alert teams to vulnerable packages. It helps repositories address outdated libraries before dependency maintenance becomes an overwhelming backlog.
Dagger
Dagger provides a programmable CI/CD engine that runs pipeline workflows in portable containerized environments. It helps engineers define reusable pipeline logic without tying workflows to one CI platform.
Earthly
Earthly builds software through containerized targets designed to run consistently across developer machines and CI systems. It helps teams reduce environment-specific build failures by standardizing build execution and dependencies.
Grafana Mimir
Grafana Mimir provides horizontally scalable, long-term storage for Prometheus-compatible metrics and queries. It helps organizations retain and query growing metrics volumes beyond the limits of individual Prometheus servers.
Mattermost
Mattermost is a team messaging platform that supports channels, integrations, automation, and self-hosted deployment options. It helps operations teams centralize incident discussion and tool notifications in dedicated collaboration spaces.
The right stack depends on your architecture, team size, compliance needs, and existing workflows. Start with the operational gaps that consume the most engineering time.